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Books on the topic 'Dual frequency'

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Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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1

Hill, Ronald H. The CSIRO dual-frequency microwave radiometer. [Melbourne]: CSIRO Australia, 1995.

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2

Lineberger, Ernest R. Bubble detection using a dual frequency sound field. Monterey, Calif: Naval Postgraduate School, 1988.

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3

Wu, Te-Kao. Double-loop frequency-selected surfaces for multifrequency division multiplexing in a dual-reflector antenna. [Washington, DC: National Aeronautics and Space Administration, 1992.

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4

Sha, Deshang, and Guo Xu. High-Frequency Isolated Bidirectional Dual Active Bridge DC–DC Converters with Wide Voltage Gain. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-0259-6.

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5

Sluiter, P. G. Geodetic dual-frequency GPS receivers under anti-spoofing: Comparison of four receivers for baseline accuracy susceptibility to radio frequency interference noise in the observables. Delft, the Netherlands: Netherlands Geodetic Commission, 1995.

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6

Cunningham, Pat. Remote control home security system operated via the telephone network using dual tone multi frequency signalling. [S.l: The Author], 1999.

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7

Mancuso, David. Frequent emergency room visits signal substance abuse and mental illness. [Olympia, Wash.]: Washington State Dept. of Social and Health Services, Research and Data Analysis Division, 2004.

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8

Mancuso, David. Frequent emergency room visits signal substance abuse and mental illness. [Olympia, Wash.]: Washington State Dept. of Social and Health Services, Research and Data Analysis Division, 2004.

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9

Mancuso, David. Frequent emergency room visits signal substance abuse and mental illness: Washington State's aged, blind, and disabled clients. [Olympia, Wash.]: Washington State Dept. of Social and Health Services, Research and Data Analysis Division, 2004.

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10

Hwang, Nam. A dual-frequency diode laser displacement sensor. 1990.

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11

Hwang, Nam. A dual-frequency diode laser displacement sensor. 1990.

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12

A dual frequency microstrip antenna for Ka band. [Washington, DC]: National Aeronautics and Space Administration, 1985.

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13

Differential Solutions Using Long-Range Dual-Frequency GPS Correction Data. Storming Media, 2002.

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14

A dual-processor multi-frequency implementation of the finds algorithm. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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15

A, Caglayan, and Langley Research Center, eds. A dual-processor multi-frequency implementation of the finds algorithm. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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16

Xu, Guo, and Deshang Sha. High-Frequency Isolated Bidirectional Dual Active Bridge DC–DC Converters with Wide Voltage Gain. Springer, 2018.

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17

Xu, Guo, and Deshang Sha. High-Frequency Isolated Bidirectional Dual Active Bridge DC–DC Converters with Wide Voltage Gain. Springer, 2018.

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18

Xu, Guo, and Deshang Sha. High-Frequency Isolated Bidirectional Dual Active Bridge DC-DC Converters with Wide Voltage Gain. Springer, 2018.

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19

1957-, Xie Yunbo, ed. Use of dual-frequency identification sonar to verify split-beam estimates of salmon flux and to examine fish behaviour in the Fraser River. Vancouver, B.C: Pacific Salmon Commission, 2005.

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20

1957-, Xie Yunbo, and Pacific Salmon Commission, eds. Use of dual-frequency identification sonar to verify split-beam estimates of salmon flux and to examine fish behaviour in the Fraser River. Vancouver, B.C: Pacific Salmon Commission, 2005.

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21

Use of dual-frequency identification sonar to verify split-beam estimates of salmon flux and to examine fish behaviour in the Fraser River. Vancouver, B.C: Pacific Salmon Commission, 2005.

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22

Ewald, Paul W. Evolutionary control of infectious disease in low-income countries. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789833.003.0009.

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An evolutionary suggests that health interventions can reduce not only the frequency of infectious disease but also the harmfulness of the causal organisms. Interventions that may accomplish this dual goal include hygienic investments such as vector proofing of housing, provisioning of safe water supplies, infrastructure that blocks transmission of durable propagules, the prevention of attendant-borne transmission in hospitals and reductions in the potential for sexual transmission. Vaccines can also reduce the frequency of infection and the harmfulness of the target organisms if they are designed to inhibit selectively the harmful variants in the target population. These approaches should help suppress the evolution of antimicrobial resistance because benign variants causing mild or asymptomatic infections will be less exposed to antimicrobial treatment, reducing the strength of selection for antimicrobial resistance. The interventions should improve health at low cost, which would be especially important for low-income populations.
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23

Shaver, J. Myles. What Creates a Vibrant Headquarters Economy? Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198828914.003.0005.

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This chapter presents data from a propriety survey of approximately 3,000 professional headquarters employees across twenty-three companies in the Minneapolis-St. Paul headquarters economy. The data confirm many expected demographics of this talent pool. They are highly educated, they are high-earning, they are predominantly in dual career relationships, and many are raising children. The data also verify the frequency with which this talent pool moves across companies and across industries. The data also show that different factors primarily affect the attraction and retention of talent to this region. Quality of life factors play a more prominent role in retention, whereas job opportunities play a more prominent role in attraction. Overall, the data show that this talent pool primarily values quality of life factors that center on economic opportunities, the ability to raise children, and well-being.
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24

Hari, Riitta. Magnetoencephalography. Edited by Donald L. Schomer and Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0035.

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This chapter introduces magnetoencephalography (MEG), a tool to study brain dynamics in basic and clinical neuroscience. MEG picks up brain signals with millisecond resolution, as does electroencephalography, but without distortion by skull and scalp. The chapter describes current instrumentation based on superconducting quantum interference devices (SQUIDs). It delineates basic characteristics of measured signals: (1) brain rhythms and their reactivity during sensory processing and various tasks and (2) evoked responses elicited by sensory stimuli, and the dependence of these responses on various stimulus characteristics. Signals are described from healthy and diseased brains. The chapter presents studies of the brain basis of cognition and social interaction studied in dual-MEG setups and describes how MEG applications can be broadened by innovative setups, including frequency tagging. Progress in the field is predicted regarding sensor technology, data analysis, and multimodal brain imaging, all of which could strengthen MEG’s role in the study of brain dynamics.
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25

Beattie, R. Mark, Anil Dhawan, and John W.L. Puntis. Bacterial, fungal, and parasitic infections of the liver. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780198569862.003.0059.

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Bacterial sepsis 428Spirochaetal infections 431Rickettsial infections 432Fungal infections 432Parasitic infections 434Granulomatous hepatitis 437Infectious agents can affect the liver either via direct invasion or by release of toxins. The liver's dual blood supply renders it uniquely susceptible to infection, receiving blood from the intestinal tract via the hepatic portal system, and from the systemic circulation via the hepatic artery. Because of this unique perfusion, the liver is frequently exposed to systemic or intestinal infections or the mediators of toxaemia. The biliary tree provides a further conduit for gut bacteria or parasites to access the liver parenchyma....
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26

Gasbarri, Lorenzo. The Concept of an International Organization in International Law. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780192895790.001.0001.

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Despite their exponential growth in number and activities, international law lacks a comprehensive legal concept of an international organization. The book tackles this topic from the perspective of the legal nature of the legal systems developed by international organizations. It is the first comprehensive study of the different concepts under which international organizations’ legal systems are commonly understood: functionalism, constitutionalism, exceptionalism, informalism. It has a threefold purpose: to trace the historical origins of the different concepts of an international organization, to describe four families under which these different notions are subsumed, and to propose a theory which defines international organizations as ‘dual entities’. The concept of an international organization is defined looking at the nature of the legal systems they develop. The notion of ‘dual legal nature’ describes how organizations create particular legal systems that derive from international law. This peculiar condition affects the law they produce, which is international and internal at the same time. This conceptualization allows the development of a common legal framework applicable to all international organizations, despite their differences in terms of powers, membership, size, and other descriptive features. In particular, the most valuable consequence of this conceptualization is to rebut a frequent argumentative motif, under which organizations are either perceived as vehicles for member states’ interests or as autonomous entities. The effects of the dual legal nature are discussed, analysing international responsibility, the law of treaties, and the validity of organizations’ acts.
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27

Shaibani, Aziz. Dysarthria. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190661304.003.0007.

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Slurring of speech is usually noticed by family members or friends before patients know it. It is usually associated with swallowing difficulty due to dual function of the tongue and frequent involvement of the tongue and pharyngeal muscles together. Dysphagia usually precedes dysarthria in myasthenia gravis (MG) and follows it in amyotrophic lateral sclerosis (ALS). In advanced cases, anarthria becomes a total communication barrier and other means of communications should be established. Cerebellar dysarthria is characterized by being irregular. Dysphonia should be differentiated from dysarthria. This chapter describes features and presentations of different types of dysarthria.
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28

Shaibani, Aziz. Dysarthria. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199898152.003.0007.

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Slurring of speech is usually noticed by family members or friends before patients. It is usually associated with swallowing difficulty due to dual function of the tongue and due to frequent involvement of the tongue and pharyngeal muscles together. Dysphagia usually precedes dysarthria in myasthenia gravis and follows it in amyotrophic lateral sclerosis(ALS). Spastic dysarthria in the absence of tongue atrophy and fasciculations is a diagnostic challenge. Cerebellar dysarthria can be sorted out by its irregularity and the presence of other cerebellar sings such as ataxia and nystagmus. In advanced cases, anarthria becomes a total communication barrier and other means of communications should be established. This chapter describes features and presentations of different types of dysarthria.
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29

Thielman, Samuel B., and Glenn Goss. Ethical Considerations for Mental Health Providers Responding to Disasters and Emergencies. Edited by John R. Peteet, Mary Lynn Dell, and Wai Lun Alan Fung. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190681968.003.0019.

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Ethical considerations in psychiatry may have spiritual dimensions that are not always apparent to mental health providers. The ethical issues faced by responders to disasters and emergencies can be particularly thorny because ethical guidelines from professional bodies frequently do not address particular situations that arise in disaster settings. This chapter discusses the issue of dual agency in disaster situations. It also addresses concerns about psychiatric competencies in disaster response, especially where no guidelines exist. It addresses concerns raised by the need for documentation and confidentiality and discusses the limits of psychiatric explanatory models during times of disaster. Additionally, the chapter reviews ethical and spiritual dimensions of specific psychosocial interventions when used with the general public affected by disasters in non-Western cultural settings.
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30

Telotte, J. P. Inventions, Modern Marvels, and Mad Scientists. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190695262.003.0005.

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This chapter addresses animation’s fascination with strange inventions, modern marvels, and their inventors. It organizes these depictions by linking them to two pre-war developments: Hugo Gernsback’s efforts at promoting the serious and practical side of science and technology, and Rube Goldberg’s satiric and cautionary vision of a modern technological society, usually offered in newspaper cartoon form. The chapter gives special attention to the various World’s Fairs and other exhibitions that were popular in the period and that were the frequent subjects of cartoons, especially by the Fleischers’ studio. In these and other films, we find both marvelous creations, catering to SF’s usual sense of wonder, and overly complicated, even dangerous inventions that comically victimize their users. This dual pattern is repeated in depictions of the scientists and inventors behind these devices, as they range from benevolent figures to the stereotypical “mad scientist.”
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31

Kahn, S. Lowell. Method of Increasing Luminal Scaffolding for Biliary Strictures. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0085.

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Benign biliary strictures are a common clinical entity encountered by the interventionalist. Balloon dilatation is an acceptable modality of treatment, but restenosis is frequent. The recoil that follows balloon dilatation of recalcitrant benign biliary strictures presents a treatment challenge. This chapter presents a single-access dual-drainage catheter technique that has been employed successfully for more than 6 years. The procedure involves the standard placement of a large drainage catheter (ideally 14 Fr) across the biliary stricture. A second catheter measuring between 5 and 8.5 Fr is advanced through the hub of the 14 Fr drainage catheter and subsequently exits through a proximal hole of the 14 Fr drainage catheter. At the site of the stricture, there is side-by-side placement of the two drainage catheters providing extra scaffolding despite the 14 Fr percutaneous tract.
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32

Boyd, Doug. Achieving the Promise of Oral History in a Digital Age. Edited by Donald A. Ritchie. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780195339550.013.0021.

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The phrase “digital revolution” is frequently used in both popular and academic discourse to describe the multiple contexts of our increasingly electronically enriched and computer-dependent society. The essence of this article happens to be achieving the promise of oral history in a digital age. In oral history and other academic areas utilizing the interview as a central methodological element, the “digital revolution” specifically refers to the mainstream integration of digital technologies into all facets of the oral history process—in the field, in the archive, and in the distribution of the interview content. This article explores how digital technologies have significantly impacted and have become integral to the recording of oral history, as well as to the dual archival imperatives of access and preservation. Digital video recording started playing a pivotal role in practices of oral history by the twentieth century. Oral history has always been bound to technology, and technologies will forever change.
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33

Auerbach, Jeffrey A. Governors. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198827375.003.0004.

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Chapter 3 focuses on the administration of empire, from the Colonial Office in London to the experiences of governors and civil servants around the globe, whose lives were increasingly dominated by tedious meetings and dull dispatches. It shows that the empire became more bureaucratic during the nineteenth century, as the British implemented a system of centralized administrative rule that sheds light on the origins of Weber’s modern bureaucratic state. The volume of paperwork grew dramatically, and high-level officials, who relished the leisured lifestyle that characterized the aristocratic ideal, complained regularly about the quantity of deskwork and the frequency of ritualized public duties. Moreover, there were increasing numbers of officials who had to work in remote locations performing menial tasks. This chapter thus challenges the “great man” view of history, highlighting the limits on individual action and the impact of bureaucratization on administrators’ sense of mission.
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34

Anitescu, Magdalena, and David Arnolds. Spontaneous Intracranial Hypotension. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190271787.003.0005.

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Spontaneous intracranial hypotension is a condition that affects young and middle-aged individuals. Women are more frequently affected than men. It is associated with severe positional headache without previous dural puncture and is often confused with other common headache conditions. Delay in diagnosis of the condition may predispose patients to severe complications. Many radiodiagnostic tools carry important risks to patients, including nerve injury and iatrogenic spinal cord injury. Imaging studies must be correlated with a detailed medical history and a thorough physical examination. Epidural blood patch, the mainstay of treatment, may require multiple attempts with increasing amounts of autologous blood. Increased awareness of spontaneous intracranial hypotension will likely contribute to its proper diagnosis and treatment.
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35

Keenan, Robert T., Sneha Pai, and Naomi Schlesinger. Imaging of gout. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199668847.003.0043.

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Gout is a systemic metabolic disease. The enzyme urate oxidase (uricase) that catalyses the oxidation of uric acid to the more soluble compound allantoin is inactive in humans. This may lead to hyperuricaemia. Hyperuricaemia is often present for many years prior to clinical signs of gout. Acute attacks occur as a result of an inflammatory response to monosodium urate (MSU) crystal deposition leading to intense pain and inflammation in the affected joints. Uncontrolled hyperuricaemia and resultant gout can evolve into a destructive arthritis. Imaging may be helpful in the diagnosis of gout as well as in monitoring the response to gout treatment. Plain X-rays are widely used for joint imaging in patients with gout. However, plain X-rays of joints affected by gout are frequently normal, especially early in the disease. In these cases, advanced imaging modalities may be useful. Advanced imaging can help evaluate inflammation, structural joint changes, and magnitude of tophaceous deposits. Advanced imaging modalities include computed tomography (CT), dual-energy CT (DECT), magnetic resonance imaging (MRI), and ultrasound (US). CT may be most suitable to evaluate bone changes in gouty joints and DECT to evaluate tophaceous deposits. MRI may best evaluate soft tissues and Inflammation. US is useful during patients’ visits to the rheumatologist and allows evaluation of cartilage, soft tissues, synovium, and tophaceous deposits. This chapter reviews imaging modalities used in gout patients and discusses their application in the diagnosis and management of gout.
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36

Green, Stuart P. Criminalizing Sex. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780197507483.001.0001.

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Starting in the latter part of the twentieth century, the law of sexual offenses, especially in the West, began to reflect a striking divergence. On the one hand, the law became significantly more punitive in its approach to sexual conduct that is nonconsensual, as evidenced by a major expansion in the definition of rape and sexual assault and the creation of new offenses such as sex trafficking, child grooming, and revenge porn. On the other hand, it became markedly more permissive in how it dealt with conduct that is consensual, a trend that can be seen, for example, in the legalization or decriminalization of sodomy, adultery, and adult pornography. This book explores the conceptual and normative implications of this divergence. In doing so, it assumes that the proper role of the criminal law in a liberal state is to protect individuals in their right not to be subjected to sexual contact against their will, while also safeguarding their right to engage in (private, consensual) sexual conduct in which they do wish to participate. Although consistent in the abstract, these dual aims frequently come into conflict in practice. The book develops a framework for harmonizing these goals in the context of a wide range of nonconsensual, consensual, and aconsensual sexual offenses (hence the “unified” nature of the theory)—including rape as nonconsensual sex, rape by deceit, rape by coercion, rape of a person who lacks capacity to consent, statutory rape, abuse of position, sexual harassment, voyeurism, indecent exposure, incest, sadomasochistic assault, prostitution, bestiality, and necrophilia.
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