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1
Eslinger, Brian, and Tom Young. "BRINGING RANGES CLOSER TOGETHER – NEW OPPORTUNITIES IN RANGE INTERCONNECTIVITY." International Foundation for Telemetering, 2003. http://hdl.handle.net/10150/606748.
Повний текст джерелаАнотація:
International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, NevadaTest and training ranges have sought the holy grail of large-scale range interconnectivity for many years. The ability to test at any range and transmit the information to the engineers at the home base and control the mission without sending the entire test team to a remote location improves the test schedules, reduces the cost of testing and improves the testing capabilities. New opportunities of interconnecting ranges are changing the business of open air range testing and the resulting capabilities. Two predominant opportunities will be discussed in this paper. First, is taking advantage of the fiber glut that the US is currently experiencing along with opportunities for government-acquired assets to service the testing community. This approach provides the government the ability to fiber-optically create a virtual test range and provide full interconnectivity of all data. Second is to take advantage of the existing networks such as the Defense Research Engineering Network (DREN) to make efficient on-demand type connectivity where, otherwise, it would be cost prohibitive.
2
Wagenhofer, Markus. "Block numerical ranges." [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=98404972X.
Повний текст джерела
3
鄭金木 and Kam-muk Cheng. "Plotting generalized numerical ranges." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31220514.
Повний текст джерела
4
Smith, Tabrina M. "Operator Ranges and Porosity." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1215466700.
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5
Cheng, Kam-muk. "Plotting generalized numerical ranges /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20792736.
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6
at, Klaus Schmidt@univie ac. "Invariant Cocycles have Abelian Ranges." ESI preprints, 2001. ftp://ftp.esi.ac.at/pub/Preprints/esi935.ps.
Повний текст джерела
7
Chan, Kong, and 陳鋼. "Preservers of generalized numerical ranges." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B50662181.
Повний текст джерелаАнотація:
Let B(H) denote the C^*-algebra of all bounded linear operators on a complex Hilbert space H. For A ∈ B(H) and c = 〖(c1, . . . , cn)〗^t ∈ C^n with n being a positive integer such that n ≤ dim H, the c-numerical range and c-numerical radius of A are defined by
W_e (A)= {∑_(i=1)^n▒c_i 〈〖Ax〗_i, x_i 〉 : {x_1, …, x_n } is an orthonormal set in H}
and
W_C (A)={|z| :z ∈W_(c ) (A)}
respectively. When c = 〖(1, 0, . . . , 0)〗^t, Wc(A) reduces to the classical numerical
range W(A).
Preserver problems concern the characterization of maps between spaces of bounded linear operators that leave invariant certain functions, subsets, or relations etc. In this thesis, several preserver problems related to the numerical range or its generalizations were studied.
For A ∈ B(H), the diameter of its numerical range is
d_w(A) = sup{|a - b| : a, b ∈ W(A)}.
The first result in this thesis was a characterization of linear surjections on B(H) preserving the diameter of the numerical range, i.e., linear surjections T : B(H) → B(H) satisfying
d_w(T(A)) =d_w(A)
for all A ∈ B(H) were characterized.
Let Mn be the set of n × n complex matrices and Tn the set of upper triangular matrices in Mn. Suppose c = 〖(c1, . . . , cn)〗^t ∈ R^n. When wc(·) is a norm on Mn, mappings T on Mn (or Tn) satisfying
wc(T(A) - T(B)) = wc(A - B)
for all A,B were characterized.
Let V be either B(H) or the set of all self-adjoint operators in B(H). Suppose V^n is the set of n-tuples of bounded operators  = (A1, . . . ,An), with each Ai ∈ V. The joint numerical radius of  is defined by
w(Â) = sup{||(⟨A1x, x⟩, . . . , ⟨Anx, x⟩)∥ : x ∈ H, ∥x∥ = 1},
where ∥ · ∥ is the usual Euclidean norm on F^n with F = C or R. When H is infinite-dimensional, surjective linear maps T : V^n→V^n satisfying
w(T(Â)) = w(Â)
for all  ∈ V^n were characterized.
Another generalization of the numerical range is the Davis-Wielandt shell. For A ∈ B(H), its Davis-Wielandt shell is
DW(A) = {(⟨Ax, x⟩, ⟨Ax, Ax⟩): x ∈ H and∥x∥= 1}.
Define the Davis-Wielandt radius of A by
dw(A) = sup{(√(|⟨Ax, x⟩ |^2 + |⟨Ax, Ax⟩ |^2) : x ∈ H and ∥x∥= 1}.
Its properties and relations with normaloid matrices were investigated. Surjective mappings T on B(H) satisfying
dw(T(A) - T(B))= dw(A - B)
for all A,B ∈ B(H) were also characterized.
A characterization of real linear surjective isometries on B(H) by Dang was used to prove the preserver result about the Davis-Wielandt radius. The result of Dang is proved by advanced techniques and is applicable on a more general setting than B(H). In this thesis, the characterization of surjective real linear isometries on B(H) was re-proved using elementary operator theory techniques.published_or_final_version
Mathematics
Doctoral
Doctor of Philosophy
8
Kuhn, Zuzana. "Ranges of vector measures and valuations." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/30875.
Повний текст джерела
9
Felton, A. J. "Biorthogonality and generalised k-numerical ranges." Thesis, Swansea University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636967.
Повний текст джерелаАнотація:
This thesis is presented in two parts followed by a brief Appendix. The two parts are independent, and each has its own bibliography. In Part I we introduce a concept of 'biorthogonality' in a smooth normed linear space. In Part II we look at generalisations of Halmos' k-numerical range and associated k-numerical radius for an operator on a Hilbert space. These generalisations again apply to Hilbert-space-operators. We study the rate of growth, as k tend to infinity, of these generalised k-numerical radii of von Neumann-Schatten class operators. In particular, for one such generalisation, we characterise trace-class operators in terms of this rate of growth. In the Appendix, we suggest a natural extension of Halmos' concept of k-numerical range to that for an operator on a general smooth normed linear space. Elementary properties are given, but a deeper development of the theory of such a k-numerical range is left as an open problem.
10
Neeves, K. F. "The safety of military firing ranges." Thesis, Cranfield University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484167.
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11
BENTZEN, Bruno. "Value-ranges, Julius Caesar and Indeterminacy." Universidade Federal de Pernambuco, 2014. https://repositorio.ufpe.br/handle/123456789/10802.
Повний текст джерелаАнотація:
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As Grundgesetze der Arithmetik de Frege e o livro que cont em a vers~ao nal do sistema formal desenvolvido para provar a sua tese de que aritm etica e redut vel a l ogica. A m de evitar a indetermina c~ao levantada pelo problema Julius Caesar, a mais fundamental quest~ao los o ca encontrada pelo seu logicismo, Frege e levado a de nir os n umeros como extens~oes de conceitos, e, com isto, introduzir o Axioma V em seu sistema para governar a no c~ao de percurso de valores. Por em, no par agrafo 10 do livro, Frege encontra um novo problema de indetermina c~ao, a saber, o fato de que o Axioma V n~ao determina a refer^encia dos nomes de percurso de valores. Para resolver este problema, Frege executa a identi ca c~ao trans-sortal, que e a identi ca c~ao dos valores de verdade com percursos de valores de fun c~oes particulares. Entretanto, porque a identi ca c~ao n~ao nos fornece uma determina c~ao t~ao completa quanto a que dever amos esperar de seu famoso princ pio da completa determina c~ao (ela n~ao permite decidir se Julius Caesar e um percurso de valores), estudiosos como, principalmente, Dummett (1981) eWright (1983), t^em a rmado que Frege foi, a nal, incapaz de resolver o problema Julius Caesar em uma vers~ao persistente. O objetivo desta disserta c~ao se assenta em duas vertentes. Primeiro, queremos propor uma interpreta c~ao, sugerida por Greimann (2003), para conciliar a identi ca c~ao trans-sortal de Frege com o seu comprometimento com o princ pio da completa determina c~ao. Segundo, queremos concluir, acompanhando Ru no (2002), que n~ao h a problema Julius Caesar para percurso de valores.
12
Sze, Chuen-kan, and 施泉根. "S-normality and polygonal s-numerical ranges." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B29815630.
Повний текст джерела
13
張智健 and Gilbert Cheung. "On star-centers of generalized numerical ranges." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31222328.
Повний текст джерела
14
Brocklehurst, Simon H. (Simon Howard) 1975. "Evolution of topography in glaciated mountain ranges." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29929.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2002.Includes bibliographical references.
This thesis examines the response of alpine landscapes to the onset of glaciation. The basic approach is to compare fluvial and glacial landscapes, since it is the change from the former to the latter that accompanies climatic cooling. This allows a detailed evaluation of hypotheses relating climate change to tectonic processes in glaciated mountain belts. Fieldwork was carried out in the eastern Sierra Nevada, California, and the Sangre de Cristo Range, Colorado, alongside digital elevation model analyses in the western US, the Southern Alps of New Zealand, and the Himalaya of northwestern Pakistan. The evidence presented here suggests that the so-called "chicken-and-egg" hypothesis is overstated in its appeal to glacial erosion as a major source of relief production and subsequent peak uplift. Glaciers in the eastern Sierra Nevada and the western Sangre de Cristos have redistributed relief, but have produced only modest relief by enlarging drainage basins at the expense of low-relieftopography. Glaciers have lowered valley floors and ridgelines by similar amounts, limiting the amount of "missing mass" that can be generated, and causing a decrease in drainage basin relief.
(cont.) The principal response of glaciated landscapes to rapid rock uplift is the development of towering cirque headwalls. This represents considerable relief production, but is not caused by glacial erosion alone. Large valley glaciers can maintain their low gradient regardless of uplift rate, which supports the "glacial buzzsaw" hypothesis. However, the inability of glaciers to erode steep hillslopes as rapidly can cause mean elevations to rise. Cosmogenic isotope dating is used to show that (i) where plucking is active, the last major glaciation removed sufficient material to reset the cosmogenic clock; and (ii) former glacial valley floors now stranded near the crest of the Sierra Nevada are at varying stages of abandonment, suggesting a cycle of drainage reorganisation and relief inversion due to glacial erosion similar to that observed in river networks. Glaciated landscapes are quite distinct from their fluvial counterparts in both landforms and processes. Given the scarcity of purely fluvial, active mountain ranges, it is essential that glacial erosion be considered amongst the processes sculpting active orogenic belts.
by Simon H. Brocklehurst.
Ph.D.
15
Rice, Michael, and Eugene Law. "AERONAUTICAL TELEMETRY FADING SOURCES AT TEST RANGES." International Foundation for Telemetering, 1997. http://hdl.handle.net/10150/609809.
Повний текст джерелаАнотація:
International Telemetering Conference Proceedings / October 27-30, 1997 / Riviera Hotel and Convention Center, Las Vegas, NevadaThis paper describes the two main causes of fading encountered at test ranges. The first cause of fading results from nulls in the transmit antenna gain pattern. Variations in the received signal level are a result of changes in the gain pattern as the spatial relationship between transmitter and receiver change. The second cause of fading is due to multipath interference. This occurs when multiple copies of the transmitted signal with different delays arrive at the receiver and are phased relative to each other so that destructive interference occurs.
16
MOZER, JOEL BARNEY. "LEE VORTICITY PRODUCTION BY TROPICAL MOUNTAIN RANGES." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186600.
Повний текст джерелаАнотація:
Numerical simulations using the Penn State University/NCAR MM4 model are performed to examine a stably stratified, zonal easterly flow past large scale three-dimensional mountain ranges in a rotating, initially barotropic, atmosphere. Upstream blocking by the mountain range diverts the flow primarily to the south and around the mountain. Conservation of potential vorticity results in the formation of a horizontal jet at low levels south of the mountain. This jet is barotropically unstable and leads to a continuous production of synoptic scale vorticity maxima which separate from the mountain and propagate downstream. Numerical simulations using topography representative of the Sierra Madre in Mexico imply that this mechanism may be important in providing some of the initial disturbances which grow into tropical cyclones in the eastern North Pacific Ocean. The wave train produced in the simulations corresponds to waves with 3-7 day periods which have been identified observationally in the eastern North Pacific region. The sensitivity of this effect to the stability of the basic state and the upstream wind speed is investigated. Simulations are also performed which show that the Hoggar and Atlas mountains of west-central Africa block the low-level easterlies resulting in a barotropically unstable jet and a train of vorticity maxima which separate from the mountain and propagate downstream. The spacing of these disturbances is roughly 1600 km and they propagate to the east with a period of about 2.5 days. These characteristics correspond to those of observed waves in the Africa/Atlantic region. It will also be shown that the unique topography of north-central Africa results in a mid-tropospheric easterly jet which has a maximum between 0-10°E and 15-20°N. The location and magnitude of this jet correspond to the so-called African easterly jet which is usually attributed to the strong surface temperature gradients over the continent of Africa. The numerical simulations presented in this work suggest that the mechanical effect of the topography may provide a constant source of energy for the maintenance of the African easterly jet.
17
Olsson, Marcus, and Fredrika Kringberg. "POKI : Robotic ball collector on golf ranges." Thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192008.
Повний текст джерелаАнотація:
At the majority of golf ranges today, the range balls are picked up manually by a golf truck and driver, which is repetitive and could be automatized. This report describes how such robot can be constructed to autonomously collect golf balls, in a way that is beneficial in both economical and environmental aspects. The prototype has been constructed to work under real life circumstances, but some restrictions were needed due to limitations in time and economy. This project mainly focused on the detection of the golf balls. The steering is places at the front wheels to enable continuous drift at the rear axle, where the balls are picked up. Using a GPS, the size of the range was defined, limiting the area where the robot will go. The GPS also provides the robot with an approximate location of the charging station. Within the area, the robot uses a camera to detect golf balls and charging station, where the balls are dropped off. The camera used for this project was a Pixy, the software was programmed via an Arduino Mega, and CAD-models were made in Solid Edge ST7. The prototype was created mainly using lathe, mill, 3D printer, laser cutter and a vacuum forming machine. In conclusion, using a Pixy for ball detection was an unreliable method. A camera that is less light sensitive and with higher resolution would be needed to detect ball efficiently. Many parts of this project can be developed further. For instance can solar cells be used at the charging station to enhance the environmental sustainability, and an automatic system for transportation of golf balls from charging station to dispenser is needed to make the golf ball collection completely autonomous.Majoriteten av dagens golfklubbar har en range vars rangebollar samlas upp med hjälp av golfbil och förare, något som är repetitivt och borde gå att automatisera. Denna rapport beskriver hur en sådan autonom robot kan konstrueras för att gynna golfklubbars ekonomi samt hållbar utveckling. Prototypen har konstruerats för att fungera i skarpt läge även om flera delar behöver vidareutvecklas i och med begräsningar i tid och ekonomi. Fokus i detta projekt har lagts på detektering av golfbollar. Styrningen placerades vid framhjulen för att ge kontinuerlig drift vid bakaxel där bollar plockas upp. Med GPS begränsades rangeområdet samt gav roboten en ungefärlig position för laddstationen. Därefter användes en kamera för att detektera bollar samt laddstation, där bollkorgen töms. Kameran som användes är en Pixy, programmering gjordes via Arduino Mega, och CAD-filer gjordes i Solid Edge ST7. Prototypen är mestadels tillverkad med hjälp av svarv, fräs, 3D-skrivare, laserskärare och vakuumformare. Slutsatsen är att kameran som används var för opålitlig. En kamera som är mindre ljuskänslig och med högre bildkvalité skulle behövas för att detektera bollar effektivt. Många områden kan vidareutvecklas. Exempelvis kan solceller vid laddstationen användas för att ytterligare förbättra hållbarhetsaspekten, och ett automatiskt system för att transportera bollar från laddstation till doseringsanordning bör skapas för att göra bollupplockningen helt autonom.
18
Cornick, Namrata Uppal. "The vehicle routing problem with demand ranges." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9376.
Повний текст джерелаАнотація:
Thesis (M.S.) -- University of Maryland, College Park, 2009.Thesis research directed by: Applied Mathematics and Scientific Computation Program . Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
19
Cheung, Gilbert. "On star-centers of generalized numerical ranges /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21583833.
Повний текст джерела
20
Sze, Chuen-kan. "S-normality and polygonal s-numerical ranges /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19616223.
Повний текст джерела
21
Mendis, Premalal J. "The origin of the geological structures, diapirs, grabens, and barite veins in the Flinders Ranges, South Australia." Title page, abstract and contents only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phm5389.pdf.
Повний текст джерелаАнотація:
Bibliography: leaves [156-167] Map 1. Parachilna, sheet SH 54-13 / compiled by P. Reid and W.V. Preiss. 2nd ed. [Adelaide] : Primary Industries & Resources SA, 1999. 1 map : col ; 69 x 100 cm. (South Australia. Geological Survey. Geological atlas 1:250 000 series ; sheet SH 54-13) -- map 2. Geology of the Flinders Ranges National Park. Parkside, S. Aust. : Mines and Energy South Australia, 1994. 1 map : col. ; 84 x 60 cm. Scale: 1:75 000.
22
Rich, Johnathan. "Are Species’ Geographic Ranges Mainly Determined by Climate?" Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/35926.
Повний текст джерелаАнотація:
Aim
It is commonly asserted that climate presents the primary constraint on species’ geographic distributions, and therefore, that species' ranges shift in response to changing climate given their specific climatic tolerances. However, supporting evidence is surprisingly inconsistent. Alternatively, spatially structured processes (e.g., dispersal) could more strongly determine species’ geographic distributions. Is climate the primary determinant of species’ geographic distributions, or might non-climatic, spatial processes constitute a stronger influence, such that the effect of climate is indirect? This study tests a number of predictions made by each of these hypotheses, during a single period of time.
Location
Contiguous United States and southern Canada.
Methods
We used 19 species of passerine birds whose distributions fall entirely within the area sampled by the North American Breeding Bird Survey from 1990-2000. We related these distributions to the mean breeding season climate, geographic locations and neighbourhood effects. Two spatial scales were addressed to assess the geographic location of species’ ranges and species' distributions within ranges.
Results
On average, geographic coordinates and a model representing neighbourhood occupancy outperform a simple climatic model. After controlling for geographic coordinates, species occupancy is poorly related to climate. A neighbourhood model on average accounts for the majority of variance captured by geographic coordinates within ranges, and more for the continental placement of ranges. Spatially explicit variables are more important than macroclimatic variables in a predictive model of species occupancy on average.
Main Conclusions
The geographic distributions of wide-spread North American passerine birds appear not to be primarily determined by climate. Our results are consistent with the hypothesis that localized spatial processes such as dispersal are stronger determinants of both continental range placement and within-range distributions of North American birds.
23
Layton, Ronald A. "Sustainability issues in the Central Mount Lofty Ranges." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envl429.pdf.
Повний текст джерелаАнотація:
Bibliography: leaves 78-83. "The dissertation brings together discourses relating to sustainability with that of the environment, at least in terms of its meaning and responses to it being culturally constructed. The Central Adelaide Hills provides the locality for achieving this, which a peri-urban environment is subject to the power exerted by urban Adelaide as well as the tension arising out of land use conflict and attitudes to the environment."
24
Wage, Kathleen E. "Broadband modal coherence and beamforming at megameter ranges." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/86425.
Повний текст джерелаАнотація:
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.Includes bibliographical references (leaves 140-146).
by Kathleen E. Wage.
Ph.D.
25
Karr, Bill, Matt Maxel, and Errol Watson. "Common Display System (CDS) at the NAVAIRWD Ranges." International Foundation for Telemetering, 2009. http://hdl.handle.net/10150/606004.
Повний текст джерелаАнотація:
ITC/USA 2009 Conference Proceedings / The Forty-Fifth Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2009 / Riviera Hotel & Convention Center, Las Vegas, NevadaThe Common Display System (CDS) will provide all NAVAIRWD sites with a flexible Range real-time situational awareness and telemetry display/processing capability. CDS will have an extensible framework enabling all sites to quickly and conveniently develop Range unique plugins to accommodate new requirements or functionality not presently found in the applications common core plug-ins. Range unique plug-ins are separate and distinct from the application's common core engine.
26
Hermann, Scott A., Mark A. Wigent, and Tomas C. Chavez. "Pacific Ranges Interoperable Test & Evaluation Capabilities (PRITEC)." International Foundation for Telemetering, 2009. http://hdl.handle.net/10150/606152.
Повний текст джерелаАнотація:
ITC/USA 2009 Conference Proceedings / The Forty-Fifth Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2009 / Riviera Hotel & Convention Center, Las Vegas, NevadaThe office of the Defense Test Resources Management Center (DTRMC) has developed two major programs to achieve Joint/Interoperable exercises between DoD test and training ranges. Joint Mission Environment Test Capability (JMETC) defines a LVC environment in which Joint operations take place, while the Test and Training Enabling Architecture (TENA) defines the communication within that environment. Putting these programs to everyday use has been a challenge for the ranges. The Pacific Missile Range Facility (PMRF) is executing the Central Test & Evaluation Investment Program (CTEIP) sponsored Pacific Ranges Interoperable Test & Evaluation Capabilities (PRITEC) project designed to develop a set of tools that will facilitate implementation of JMETC and TENA. This paper will discuss the PRITEC project in detail.
27
Grasby, Stephen E. (Stephen Edward). "Stratigraphy of the Miette group and tectonic history of the southern Selwyn Range, western Main Ranges, British Columbia." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60512.
Повний текст джерелаАнотація:
In the southern Selwyn Range, Hadrynian Miette Group strata form a thick conformable sequence. A distinctive carbonate unit in the middle Miette Group is assigned to the Old Fort Point Formation. Facies variations in the middle Miette Group, from grit dominated in the east to pelite dominated in the west, delineate a channel or fan lobe margin.Structures in the southern Selwyn Range developed during three main phases of deformation. The Fraser River Antiform, the dominant structure, formed during D$ sb2$. The Selwyn Range Fault cross-cut the earlier Fraser River Antiform during early D$ sb3$. The Fraser River Antiform tightened during late D$ sb3$, when the Selwyn Range Fault was reactivated, forming a 100m thick shear zone. The Chatter Creek Fault (D$ sb3$ or latter) has compressional and dextral motion, both with minor displacement.
Metamorphism was initiated during D$ sb2$ and peaked during D$ sb3$.
28
Stretch, Gordon W. "The southern termination of the Main Ranges and Western Ranges of the southern Canadian Rocky Mountains, stratigraphy, structural geology, and tectonic implications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq20704.pdf.
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29
Akter, Shirin. "Regional flood estimation method for the Mt. Lofty Ranges /." Title page, abstract and contents only, 1992. http://web4.library.adelaide.edu.au/theses/09ENS/09ensa315.pdf.
Повний текст джерела
30
Salam, Haris. "Cyber Ranges: A design and implementation of Virtual Honeypots." Thesis, KTH, Kommunikationsnät, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-137108.
Повний текст джерелаАнотація:
Traditionally, many devices such as firewalls, secured servers, computer networks,hosts and routers. But with rapid technological advancements, securityfor the virtual world also needed improvement. As they say need is the motherof all inventions; such a need lead to the creation of Honey pots. Today,Honeypots are gaining attention and the usage of these systems is increasing.Honeypots are, essentially traps, set to detect, deflect, or in some manner counteractattempts to access and use information systems. They mostly consistof a network device that appears to be part of the network, but it is actuallyseparated and monitored by security researchers continuously to review theactivities.This thesis covers the commercial design, implementation and future directionsof these systems. An introduction to the topic is given, explaining basicsecurity concepts and vulnerabilities and flaws that lead to attacks.We set-up a set of vulnerable environment and virtual routers, where thelearners could practice offensive and defensive security techniques for cyberwarfare. A simulation was created; several machines and routers were connectedtogether. Each router is deliberately set-up so that it has (security) vulnerabilities.Practitioners will be required to penetrate in those routers and systems. Theseranges are specifically designed for the defense sector and it caters the internetand network security.
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Yıldıztekin, Kemal [Verfasser]. "Modifikationen kleinen Ranges von nichtlinearen symmetrischen Eigenwertaufgaben / Kemal Yıldıztekin." München : Verlag Dr. Hut, 2012. http://d-nb.info/1029399336/34.
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Herdegen, Dale W. "Adaptive noise cancellation applied to the NUWES test ranges." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/27933.
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Van, Wechel R. J., and R. P. Jarrell. "Application of GPS to Hybrid Integrated Ranges and Simulations." International Foundation for Telemetering, 1995. http://hdl.handle.net/10150/611612.
Повний текст джерелаАнотація:
International Telemetering Conference Proceedings / October 30-November 02, 1995 / Riviera Hotel, Las Vegas, NevadaGPS user equipment has matured and is now available to support the use of live players in integrated ranges and simulations. P-code GPS provides true WGS-84 based coordinate information anywhere in the world at any time and to accuracies at the 5 ft (1s) level (demonstrated in high dynamic aircraft using differential P-code GPS). C/A code GPS shows lower accuracy and is especially vulnerable to multipath degradation over water. In supporting networked ranges with simulations, GPS is directly applicable to the dead reckoning requirements of the Distributed Interactive Simulation (DIS) community. DIS dead reckoning provides the capability of much reduced data rates in recovering TSPI information from platforms. The on-board state vector for an integrated GPS/Inertial Reference Unit provides accurate position, velocity and acceleration as well as attitude and attitude rate information so that dead reckoning thresholds can be both position and attitude driven. A simplified analysis is presented in the paper to derive dead reckoning update rates from the G loading levels of various player dynamics. Also, information is provided which results in word length requirements for GPS-based state vector information for transmission over minimum word length DIS Field Instrumentation Protocol Data Units (PDUs, which are the data block formats). The coordinate frame problem in use of GPS-based state vector information from fixed ranges is also addressed, showing that the use of a local geodetic frame is preferable to the use of an earth centered earth fixed frame, in that it is more efficient of network PDU word length.
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Scheetz, Caleb David. "Dissolution, Transport, and Fate of Lead on Shooting Ranges." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/9856.
Повний текст джерелаАнотація:
Shooting ranges concentrate significant quantities of heavy metals, especially lead as spent shot and bullets, on very small parcels of land. Samples taken from a shooting range near Blacksburg, VA, USA provide information about the reservoirs and pathways of lead at shooting ranges in an upland setting and humid environment. Metallic lead corrodes rapidly and develops a coating of corrosion products. The type and amount of corrosion products found on lead shot and bullets are best understood through examination of Eh-pH relationships. X-ray diffraction analysis identified hydrocerussite (Pb₃(CO₃)₂(OH)₂) as the corrosion phase present on lead shot recovered from the range. Hydrocerussite dissolution can produce soluble lead concentrations ranging from 2 ppb to 2 ppm for the soil pH values at this site. This soluble lead is captured by the soil. Sequential chemical extractions revealed that vertical lead migration beyond the A-horizon was minimal. The bound-to-Fe & Mn oxides and bound-to-carbonates soil fractions were identified as significant reservoirs for sequestration of lead in the soil. The highest concentration of extractable lead contained in the soil was directly correlated with the highest concentration of lead shot and bullets measured on the shotgun range surface. The geochemical framework for understanding the corrosion process, identifying the corrosion product(s) that control lead solubility, and identifying the geochemical barriers to lead migration that were employed at the Blacksburg, VA shotgun range, provides a basis for selecting best management practices for this and other shooting ranges.Master of Science
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Kerr, Sarah. "A study of lodging ranges in late Medieval England." Thesis, Queen's University Belfast, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706995.
Повний текст джерелаАнотація:
This thesis examined the architecture of medieval lodging ranges in England. The project aim was to contribute to the knowledge of this building type which had received little attention in recent research, resulting in some stagnation of the subject. The thesis begins with a historical context of lodging ranges introducing key themes of late medieval society. To fully understand the building type, the study focused on the architecture of surviving examples and used this to discuss the form, function and use of lodging ranges, as well as contribute to the understanding of the occupants. The function of lodging ranges was a multi-faceted topic, revealing their complex role in constructing social distance, displaying the hierarchy in the retinue and acting a status indicator of the lord and the individual. Studying the remains of lodging ranges contributed to the understanding of the occupants, and it is clear that their military role had been exaggerated in previous studies, partly as a result of inaccurate interpretation of the buildings. The greatest contributor to the discussion has been the remains of lodging ranges themselves; they contained a wealth of information which revealed how they were used, who lived within and what they meant in medieval society.
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Dorjgurhem, Batbold. "Regional biodiversity management strategy : case study on the Flinders Ranges." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09AS/09asd699.pdf.
Повний текст джерелаАнотація:
Bibliography: leaves 107-117. This thesis examines the rationale for managing biological diversity on a regional basis and develops recommendations for the use of two computational methods in biodiversity management planning by conducting a case study in the Flinders Ranges, centred on the Yellow-footed Rock Wallaby (abstract)
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Grear, Brenton. "The origin of asymmetrical valleys in the Mount Lofty ranges /." Title page and contents only, 1988. http://web4.library.adelaide.edu.au/theses/09AR/09arg786.pdf.
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Ressom, Robert. "Forest ecotourism in the Mount Lofty Ranges of South Australia /." Title page, contents and abstract only, 1993. http://web4.library.adelaide.edu.au/theses/09ENV/09envr435.pdf.
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Boonroeng, Supannee. "An analysis system for dye delivery on continuous dyeing ranges." Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/10175.
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文偉業 and Wai-yip Man. "Some properties of C-numerical ranges and C-numerical radii." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1992. http://hub.hku.hk/bib/B31210491.
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Adolfsson, Sebastian. "Expanding operation ranges using active flow control in Francis turbines." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-90392.
Повний текст джерелаАнотація:
This report contains an investigation of fluid injection techniques used in the purpose of reducing deleterious flow effects occurring in the draft tube of Francis turbines when operating outside nominal load. There is a focus on implement ability at Jämtkrafts hydroelectric power plants and two power plants were investigated, located in series with each other named Lövhöjden and Ålviken. The only profitable scenario found with some degree of certainty was an increase in the operating range upwards to allow overload operation. Findings show that both air and water can be introduced in various locations to improve hydraulic efficiency around the turbine parts as well as reduce pressure pulsations in harmful operating regions. Investments in such systems have proven useful and profitable at several facilities with poorly adapted operating conditions. But due to losses in efficiency when operating injection systems, it turns out unprofitable in situations where it does not improve the operating range in a way that is resulting in increased annual or peak production.
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LAUTZENHISER, LLOYD L. "A FREQUENCY AGILE, SECURE VIDEO LINK FOR U.S. TEST RANGES." International Foundation for Telemetering, 1985. http://hdl.handle.net/10150/615731.
Повний текст джерелаАнотація:
International Telemetering Conference Proceedings / October 28-31, 1985 / Riviera Hotel, Las Vegas, NevadaDoD has established a goal of having range telemtry and video RF links on all national test ranges secure and/or encrypted in the near future. Emhiser Research has developed a new family of digitally synthesized, frequency agile, video transmitter and receiver sets. These video sets, which operate at L-band, S-band, or C-band frequencies, are frequency agile, changing frequency on each video line. The frequency changes take place during retrace in about 6 microseconds. Through the use of novel, frequency synthesization techniques, each new frequency is immediately stable at the new frequency value and frequency synchronization and lock problems have been solved. This paper describes the operation of both the transmitter and receiver, presents block diagrams and outlines test results on the prototype units, novel features and advantages will be outlined and possible applications will be discussed.
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Rosa, Luiz Carlos Laureano da. "Modelagem estatística das medidas de pseudo-ranges no sistema GPS." Instituto Tecnológico de Aeronáutica, 1996. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=1574.
Повний текст джерелаАнотація:
O objetivo principal desta dissertação é apresentar uma metodologia para modelagem das medidas de pseudo-ranges no sistema GPS, cujos movimentos característicos são descritos pela trajetória de uma partícula material que se move, no decorrer do tempo, sob a influência de forças físicas, e possuem uma estrutura de auto-correlação. O tratamento dado foi de séries temporais, específico do método ARIMA da metodologia de BOX & JENKINS. A aplicação da metodologia proposta foi baseada nos dados recebidos no receptor GPS localizado no ITA, referente ao satélite de número 27. Sua validação foi feita comparando dados reais com os resultados do modelo, onde o modelo proposto mostrou uma boa performance. A principal conclusão foi a constatação da eficácia da metodologia proposta para a modelagem, através de um tratamento estatístico completo validade em caso real.
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Bretz, Joshua Harlen 1974. "DC-DC converters with high efficiency over wide load ranges." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9721.
Повний текст джерелаАнотація:
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.Includes bibliographical references (leaf 63).
An integrated switching regulator is presented, including theory of operation, circuit design, and test results. This DC-DC converter introduces several novel circuits which enable more efficient operation at output powers from l00J.1W to lW. Efficiency above 80% is achieved from 500JlW to 500mW. Specifically, depending on the load current, the regulator automatically switches between Pulse Frequency Modulation (PPM) and Pulse Width Modulation (PWM), and also automatically selects the optimum switching MOSFET. The current sensing is done without an additional current sense resistor. PFM mode operation is synchronous to allow sampled data systems to avoid sampling on switching transitions. In all modes of operation, the regulator output voltage is digitally programmable. This enables variable voltage architectures, in which the power supply of a digital system is dynamically changed depending on the throughput requirements, resulting in significant power reductions.
by Joshua Harlen Bretz.
S.M.
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Man, Wai-yip. "Some properties of C-numerical ranges and C-numerical radii /." [Hong Kong] : University of Hong Kong, 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13215024.
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Chan, Kong. "Linear preservers of operators with non-negative generalized numerical ranges /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21556556.
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Kors, Andrei [Verfasser]. "InP - based quantum dots for telecom wavelengths ranges / Andrei Kors." Kassel : Universitätsbibliothek Kassel, 2020. http://d-nb.info/1222555239/34.
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Maghini, Mark Thomas 1963. "Water use and diurnal ranges of Coues white-tailed deer." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291509.
Повний текст джерелаАнотація:
I evaluated water use by female Coues white-tailed deer (Odocoileus virginianus couesi) and calculated their diurnal ranges relative to available water in southeastern Arizona during hot-dry and hot-wet summer seasons. Developed water sources were scarce in 1988 and abundant during 1989. Freestanding water was not the only determinant of diurnal seasonal ranges. Not all diurnal seasonal ranges contained permanent water, but a water source density of 1/km² was sufficient during the 1989 hot-dry season and ephemeral water was common in hot-wet seasons. Deer visited developed water sources regularly during hot-dry seasons and infrequently 14 days after the summer rains began. Large amounts of preformed water were available in hot-wet season diets, but permanent or ephemeral water was necessary to meet total water requirements. Visits of cattle to troughs did not preclude deer use because of different activity patterns between the 2 species. Wildlife managers should provide free-standing water in Coues white-tailed deer ranges during hot-dry seasons and in the early part of hot-wet seasons. If winter precipitation is substantially below normal, available free-standing water in summer is especially critical.
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Taheri, Fatemeh Esmaeili. "Numerical ranges of linear pencils." Doctoral thesis, 2016. http://hdl.handle.net/10316/30391.
Повний текст джерелаАнотація:
Tese de doutoramento do Programa Inter-Universitário de Doutoramento em Matemática, apresentada ao Departamento de Matemática da Faculdade de Ciências e Tecnologia da Universidade de CoimbraO contradomínio numérico de matrizes finitas e de operadores lineares tem sido intensivamente investigado. Nesta tese, o conceito de contradomínio numérico de um feixe linear de matrizes e a geometria do contradomínio numérico são estudados usando técnicas de geometria algébrica plana. A classificação de todas as possíveis curvas geradoras de fronteira de feixes de matrizes de ordens dois e três é dada explicitamente, quando uma das matrizes é hermítica. O contradomínio numérico de feixes lineares com coeficientes hermíticos tem sido objeto de estudo pelos investigadores. Nesta dissertação caracterizámos o contradomínio numérico de feixes lineares auto-adjuntos, apontando e corrigindo um erro reproduzido na literatura. Para o caso n = 2, as curvas geradoras de fronteira são cónicas. As demonstrações do Teorema do Contradomínio Elíptico, Teorema do Contradomínio Parabólico e Teorema do Contradomínio Hiperbólico foram obtidas de modo unificado. O caso dois por dois é particularmente importante, porque um feixe de dimensão arbitrária pode ser reduzido por compressão ao caso bidimensional. Para n = 3, e uma das matrizes do feixe hermatica obtivemos a classificação de todas as possíveis curvas geradoras de fronteira do contradomínio numérico, distinguindo-se os casos de matrizes positivas (negativas) definidas, positivas (negativas) semi-definidas e indefinidas. Todas essas curvas são completamente descritas usando a classificação das cúbicas de Newton. Os resultados obtias são ilustrados através de exemplos numéricos. In recent years, the numerical range of finite matrices and linear operators has been intensively investigated. In this thesis, the concept of numerical range of a linear pencil is discussed, and the geometry of the numerical range is investigated by using techniques of plane algebraic geometry. The classification of all possible boundary generating curves of the numerical range of pencils of two-by-two and three-by-three matrices is explicitly given, when one of the matrices is hermitian. The numerical range of linear pencils with hermitian coefficients has been studied by some authors. We have characterized the numerical range of self-adjoint linear pencils, pointing out and correcting an error reproduced in the literature. For the case n=2 , the boundary generating curves of numerical range are conics. Geometrical proofs of the Elliptical Range Theorem, Parabolical Range Theorem and Hyperbolical Range Theorem, have been obtained in an unified way. We remark that the two-by-two case is particularly important, since for a pencil of arbitrary dimension the compression to the bidimensional case gives us information on the general n by n case. For n = 3, we obtained the classification of all possible boundary generating curves of the numerical range, distinguishing the case of one of the matrices being positive (negative) definite, semidefinite and indefinite. All the possible boundary generating curves of the numerical range of three-by-three linear pencils can be completely described by using Newton’s classification of cubic curves. The obtaining results are illustrated by numerical examples.
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Koch, Julia Diana. "Value Ranges for Schlicht Functions." Doctoral thesis, 2016. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-144978.
Повний текст джерелаАнотація:
This thesis deals with value sets, i.e. the question of what the set of values that a set of functions can take in a prescribed point looks like. Interest in such problems has been around for a long time; a first answer was given by the Schwarz lemma in the 19th century, and soon various refinements were proven. Since the 1930s, a powerful method for solving such problems has been developed, namely Loewner theory. We make extensive use of this tool, as well as variation methods which go back to Schiffer to examine the following questions: We describe the set of values a schlicht normalised function on the unit disc with prescribed derivative at the origin can take by applying Pontryagin's maximum principle to the radial Loewner equation. We then determine the value ranges for the set of holomorphic, normalised, and bounded functions that have only real coefficients in their power series expansion around 0, and for the smaller set of functions which are additionally typically real. Furthermore, we describe the values a univalent self-mapping of the upper half-plane with hydrodynamical normalization which is symmetric with respect to the imaginary axis can take. Lastly, we give a necessary condition for a schlicht bounded function f on the unit disc to have extremal derivative in a point z where its value f(z) is fixed by using variation methodsDie vorliegende Dissertation beschäftigt sich mit Wertemengen, d.h. der Frage, welche Werte eine Menge von Funktionen in einem vorgegeben Punkt annehmen kann. Probleme dieser Art werden schon seit Langem behandelt; eine erste Antwort in Form des Lemmas von Schwarz wurde bereits im 19. Jahrhundert gegeben, und viele Verfeinerungen folgten. Seit den 30er Jahren des 20. Jahrhunderts steht ein mächtiges Instrument zur Lösung solcher Probleme in Form der Löwner-Theorie zur Verfügung. Wir benutzen diese sowie Variationsmethoden, die auf Schiffer-Variation zurückgehen, um die folgenden Fragestellungen zu klären: Wir beschreiben die Menge der Werte, die eine schlichte normalisierte Funktion mit fixierter Ableitung im Ursprung annehmen kann, durch Anwendung des Pontryagin-Maximumprinzip auf die radiale Löwner-Gleichung. Als Nächstes bestimmen wir die Wertemengen für holomorphe normalisierte beschränkte Funktionen, deren Taylor-Entwicklung um 0 nur reelle Koeffizienten hat, und für die kleinere Menge von Funktionen, die zusätzlich typisch reell sind. Außerdem beschreiben wir den Wertebereich schlichter Selbstabbildungen der oberen Halbebene mit hydrodynamischer Normalisierung, die symmetrisch bezüglich der imaginären Achse sind. Zuletzt geben wir mit Hilfe von Variationsmethoden eine notwenige Bedingung für schlichte beschränkte Funktionen auf dem Einheitskreis an, deren Ableitung in einem Punkt mit vorgegebenem Funktionswert extremal ist