Готові списки джерел за темами / Radar de surveillance secondaire

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Добірка наукової літератури з теми "Radar de surveillance secondaire"

Автор: Grafiati

Опубліковано: 11 січня 2025

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Статті в журналах з теми "Radar de surveillance secondaire"

Vidal, Luis E., Ulises Román Concha, Justo Solís, José Piedra, Carlos Chávez, Dominga M. Cano, and Juan C. Woolcott. "Implementation of a Transportable Radar Mode S of Monopulse Secondary Surveillance (MSSR-S) for the Peruvian Civil Aviation Surveillance." Telecom 4, no. 4 (October 3, 2023): 693–708. http://dx.doi.org/10.3390/telecom4040031.

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This article describes the process of implementing a transportable radar MSSR-S for Peruvian civil aviation (ACP) to minimize the operational impact in emergencies that affects air traffic without causing structural damage and restore data from the radar in a short time. In recent years, ACP has shown constant falls in the radars, causing radar data to be lost for long periods of time and putting air safety at risk due to the lack of maintenance and overlapping radar coverage of more than three radars. The deployment of the transportable radar in Mode S of Monopulse Secondary Surveillance (MSSR-S) has allowed for work that involves the prolonged stoppage of the radar to be carried out and provided coverage to eight more radars during maintenance and modernization, covering the areas without coverage in the Peruvian air space (EAP). For the implementation, this was divided into three SPRINTs using the SCRUM methodology; the first sprint refers to the equipment and radar coverage study, the second the implementation and service test phase, and the third the operational analysis phase with the eight modernized radars. As a result of the implementation and integration with the other ACP radar systems, they were able to operate together, providing highly reliable radar data, performing a continuous analysis of radar performance through the PASS software, complying with the thresholds established by ICAO and EuroControl, and guaranteeing that the systems operate under perfect conditions and with full coverage at all time.

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Reader, K. "Secondary Surveillance Radar." Electronics & Communications Engineering Journal 2, no. 2 (1990): 43. http://dx.doi.org/10.1049/ecej:19900013.

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Topilin, A. A. "Secondary radar azimuth accuracy with increased surveillance speed." Journal of «Almaz – Antey» Air and Space Defence Corporation, no. 3 (September 30, 2019): 52–57. http://dx.doi.org/10.38013/2542-0542-2019-3-52-57.

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The study introduces the dependence of the secondary radar aircraft azimuth accuracy on the space surveillance speed and the signal-to-noise ratio for various algorithms of the primary processing of radar data under the influence of normal Gaussian and Rice processes. The results obtained are practically applicable when upgrading software which implements the processing of radar data in existing radars

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Svyd, I. V. "Comparative analysis of the quality of detection of air objects by secondary radar systems." Radiotekhnika, no. 213 (June 16, 2023): 78–87. http://dx.doi.org/10.30837/rt.2023.2.213.09.

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The work is devoted to a comparative analysis of the quality of detection of air objects by secondary radar systems. The purpose of the work is a comparative analysis of the optimal and quasi-optimal structure for detecting air objects by secondary interrogation radar systems. A significant role in the information support of the airspace control and air traffic control system is played by secondary radar systems for airspace surveillance, which include secondary radars and identification problems on the basis of “friend or foe” identification. Note that in existing networks of radar surveillance systems, tracking of airborne objects is usually carried out using information from primary radar surveillance systems, and secondary radar surveillance systems are used as sources of additional radar information. In this regard, the problems of assessing the quality of detection of air objects by secondary radar systems, the specifics of the construction and operation of which differ significantly from the primary airspace surveillance radar systems, are relevant. Thus, increasing the probabilistic characteristics of the system of secondary radar systems when an aircraft transponder operates in the field of significant flows of intentional and intra-system interference is ensured by choosing detection thresholds depending on the values of the transponder readiness coefficient and the probability of suppression of individual response signal pulses. On the other hand, the use of detection thresholds on secondary radar systems that are optimal for the given operating conditions of the transponder makes it possible to reduce the requirements for the throughput of the aircraft transponder with a significant intensity of flows of intra-system and intentional correlated interference. Analysis of the characteristics of detection of air objects by secondary radar systems shows that: optimal thresholds for detecting air objects in secondary radar systems significantly depend on the readiness factor of the aircraft transponder and the probability of suppression of individual pulses of response signals in the response channel; the use of decoding response signals and subsequent accumulation when choosing the optimal threshold significantly reduces the detection quality indicators compared to optimal processing of a burst of response signals; the digital threshold for detecting air objects in a secondary radar system largely depends on the probability of signal suppression in the request channel and response channel.

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Svyd, I. V., and S. V. Starokozhev. "Distributed processing of radar information in airspace surveillance systems." Radiotekhnika, no. 212 (March 28, 2023): 155–65. http://dx.doi.org/10.30837/rt.2023.1.212.15.

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Анотація:

The work is dedicated to the analysis of the quality of combining assessments of the radar signals and airborne objects detections in the implementation of distributed processing of radar information of airspace surveillance systems. The main sources of radar information about the air situation in the airspace control system are primary surveillance radars, secondary radar systems and identification systems on the basis of "friend or foe". It should be noted that the analysis of the information security of single-position radars shows their vulnerability in a wide range of unintentional and intentional interference, as well as determining their location. This is due to the ease of detection of the emitting transmitter of the probing signal in single-position radars. It led to the main disadvantage of single-position radars – low noise immunity and low survivability. The transition to a network of radar systems can significantly reduce the impact of deliberately directed interference. It also allows the use of methods for distributed processing of radar information in airspace surveillance systems. Analysis of the effectiveness of information support algorithms based on distributed processing of radar information of airspace surveillance systems, taking into account the final result, makes it possible to detect airborne objects using a packet of binary-quantized signals, taking into account two algorithms for combining detection results: channel accumulation and combining results; association of channel solutions and accumulation. It shows following: – the quality of consumer information support based on the proposed structure is much higher compared to the used radar information processing structure; the quality of information support for consumers has the best performance when using the signal processing method based on the accumulation of signals with the subsequent combination of detection results; the availability factor of the aircraft transponder significantly affects the quality of information support, already at P0<0.9 the use of integer logic for combining detection information is undesirable.

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Weeda, D. J. A., L. P. Ligthart, L. R. Nieuwkerk, L. R. Nieuwkerk, and D. C. M. van der Klein. "Quantitative Estimation of Secondary Surveillance Radar Information." Journal of Navigation 45, no. 1 (January 1992): 26–35. http://dx.doi.org/10.1017/s0373463300010444.

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Анотація:

Improved radar surveillance for air traffic control can be obtained by the integration of radar systems. Integration, however, might cause the delay of radar information, which would hamper the air traffic controllers in their work. To estimate the delay, a mathematical equation to assess the amount of radar information causing this delay has been deduced from the properties of the behaviour of air traffic. The mathematical equation has been tested using results obtained from operational secondary surveillance radar in the Netherlands.

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Ciećko, Adam, Grzegorz Grunwald, Natalia Malinowska, and Artur Goś. "ACCURACY ANALYSIS OF AIRCRAFT POSITION PARAMETERS PROVIDED BY GCA 2000 AIRPORT SURVEILLANCE RADAR." Aviation and Security Issues 4, no. 2 (December 30, 2023): 1–15. http://dx.doi.org/10.55676/asi.v4i2.63.

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The aim of this article was to investigate the accuracy of determining the position parameters of an aircraft by the GCA 2000 airport control radar located at Deblin Airport (EPDE). In order to analyse the accuracy of determining the position of an aircraft by the GCA 2000 radar, a research flight was carried out. The position of the aircraft was recorded by the GCA 2000 radar and the Thales Mobile Mapper Pro GPS receiver on board the aircraft. The resulting position parameters were compared with each other to investigate the accuracy of the radar’s coordinate determination. In addition, a number of analyses and comparisons were performed to determine the reasons for the interruptions in the radar detection of the aircraft. Based on the study, it can be concluded that the GCA 2000 radar located at Deblin airport meets the requirements set by the International Civil Aviation Organisation (ICAO) for radar performance. According to ICAO, the standard deviation of the distance error should be 70–130 metres and the azimuth error for primary radars should be 0.15–0.2°, and for secondary radars 0.2–0.3°. The standard deviation of the distance error during a research flight by the GCA 2000 radar is 81.1 metres and the standard deviation of the azimuth error is 0.19°.

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Stevens, M. C. "New developments in secondary-surveillance radar." Electronics and Power 31, no. 6 (1985): 463. http://dx.doi.org/10.1049/ep.1985.0286.

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Svyd, I. V., and M. G. Tkach. "Synthesis and analysis of the trace detector of air objects of an interrogating radar system." Radiotekhnika, no. 212 (March 28, 2023): 175–85. http://dx.doi.org/10.30837/rt.2023.1.212.17.

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The paper considers the features of tracking air objects in existing information networks of radar systems for monitoring airspace. It is shown that the tracking is carried out according to the information of the primary radar surveillance systems, and the secondary radar surveillance systems are used as sources of additional radar information. But the transition to automatic dependent surveillance implies the mandatory use of only request radar surveillance systems. Therefore, the problems of formulating methods and algorithms for tracking air objects based on information from secondary radar surveillance systems are relevant. The specifics of the construction and operation of secondary radar surveillance systems differ significantly from primary radar surveillance systems. The work carried out the synthesis and analysis of the structure of the tracks detector of air objects by interrogating radar systems for monitoring the airspace, namely: a comparative analysis of the quality of identifying the tracks of air objects was carried out; the quality of information support to consumers of the airspace control system with the proposed structure was improved in comparison with the used information processing structure; it is shown that the quality of information support for consumers has more preferable indicators when using the signal processing method during acquisition with subsequent information merging; the influence of the readiness factor of aircraft transponders of interrogative radar systems on the quality of information support for consumers of the airspace control system was evaluated.

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Nagaoka, Sakae, and Osamu Amai. "Estimation Accuracy of Close Approach Probability for Establishing a Radar Separation Minimum." Journal of Navigation 44, no. 1 (January 1991): 110–21. http://dx.doi.org/10.1017/s0373463300009784.

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A Long-range Secondary Surveillance Radar (LSSR) has been developed and recently used as an Oceanic Route Surveillance Radar (ORSR) in Japan. The LSSR is an SSR (Secondary Surveillance Radar) only system for which the maximum coverage is 250 nautical miles (n.m.). This system utilizes monopulse azimuth estimation techniques for improving the accuracy of azimuth estimation.

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Дисертації з теми "Radar de surveillance secondaire"

Petrochilos, Nicolas. "Algorithmes de séparation de réponses de radar secondaire de surveillance." Nice, 2002. http://www.theses.fr/2002NICE5741.

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Air Traffic Control (ATC) centers aim at ensuring safety of aircrafts cruising in their area. The information required to face this mission includes the data provided by primary and secondary Surveillance Radar (SSR). The first one indicates the presence of an aircraft, whereas the second gives information on its identity and altitude. All aircrafts contain a transponder, which send replies to the secondary radar in a semi-automatic mode, indeed it is on exchange. The increase of the air traffic implies that in a near future the actual SSR radar will not be able to perform correctly, and that requires to improve the quality of the SSR radar. This thesis proposes a possible improvement of the SSR. We propose to replace at reception the rotating antenna by an antenna array to gain spatial diversity, in order to perform beamforming. Given the density of the traffic, high-resolution technics are mandatory to separate the sources. This is a blind source separation problem, but unlike standardcases, the sources are sending packets (not continuous), the packets do not completely overlap (non-stationary situation), the alphabet is binary but not antipodal ({0,1} instead of {+1,-1}). And the carrier frequencies are not identical. Among the problems to solve, two main issues are the non-synchronisation of the sources, and the non-calibration of the antenna. This thesis presents new contributions to this field, including the identifiability of parameters and related Cramer-Rao bounds, and the design of receiver algorithms taking into account the specific encoding of the data (such as the MDA and the ZCMA algorithms presented herein). The performance of these algorithms is tested by extensive computer simulations as well as actual measurements; the setup of the experimental platform is also part of the thesis framework.

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Zaghloul, Sara. "Application du DCA aux Radars de Surveillances Secondaires." Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS017.

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Анотація:

L'objectif de cette thèse était de développer un algorithme rapide pour séparer un mélange de signaux de Radars de Surveillance Secondaires (SSR). Ce mélange peut inclure différents modes, tels que le Mode A/C et le Mode S, qui compliquent la séparation en raison de leurs formats variés et de leurs caractéristiques de codage différentes. Au cours de cette thèse, trois méthodes ont été développées en utilisant un critère relativement discret, l'Analyse en Composantes Disjointes (DCA), qui vise à séparer les sources en maximisant la disjonction entre elles.La première est une approche de post-traitement qui utilise l'algèbre linéaire pour résoudre les problèmes rencontrés lors de l'application de la version à valeurs réelles du DCA. Cependant, l'application de cette méthode peut poser plusieurs problèmes, notamment une perte de signal, la présence du mélange résiduel et des dépendances linéaires entre signaux. Par conséquent, nous avons conclu qu'il était nécessaire de développer une méthode qui considère les signaux SSR dans leur format original à valeur complexe.La deuxième méthode vise à démontrer l'efficacité du critère DCA pour les signaux SSR, en utilisant une approche de recherche exhaustive tout en considérant les signaux dans leur format complexe. Cette méthode permet de séparer les signaux avec une grande précision, mais elle coûteux en termes de calcul.La troisième méthode proposée optimise la recherche du minimum à l'aide d'un algorithme de descente de gradient, ce qui améliore considérablement l'efficacité des calculs tout en maintenant une qualité similaire des résultats.Ces algorithmes ont été testés dans des simulations et comparés à divers algorithmes de la littérature, afin d'évaluer leur performance en fonction de différents paramètres de réception. Enfin, ils ont été testés sur des données réelles
The objective of this thesis was to develop a fast algorithm to separate a mixture of Secondary Surveillance Radar (SSR) signals. This mixture may include different modes, such as Mode A/C and Mode S, which complicate the separation due to their varied formats and different coding characteristics. During this thesis, three methods were developed using a relatively discrete criterion, the Disjoint Component Analysis (DCA), which aims to separate sources based on maximizing the disjointness between them.The first is a post-processing approach that uses linear algebra to solve the problems encountered when applying the real-valued version of DCA. However, the application of this method can pose several problems, including signal loss, residual mixing, and signal dependencies. Therefore, we concluded that it was necessary to develop a method that considers SSR signals in their original complex-valued format.The second method aims to demonstrate the effectiveness of the DCA criterion for SSR signals, using an exhaustive search approach while considering signals in their complex format. This method succeeds in separating signals with a high degree of accuracy but is computationally expensive.The third proposed method optimizes the search for the minimum using a gradient descent algorithm, which significantly improves computational efficiency while maintaining similar quality of results.These algorithms were tested in simulations and compared with various algorithms from the literature, to evaluate their performance as a function of different reception parameters. Finally, they were tested on real-world data

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Shea, Eric Joseph. "Air Surveillance for Smart Landing Facilities in the Small Aircraft Transportation System." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/31838.

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The Small Aircraft Transportation System (SATS) is a partnership among various organizations including NASA, the FAA, US aviation industry, state and local aviation officials, and universities. The program objectives are intend to reduce travel times by providing high-speed, safe travel alternatives by making use of small aircraft and underused small airports throughout the nation. A major component of the SATS program is the Smart Landing Facility (SLF). The SLF is a small airport that has been upgraded to handle SATS traffic. One of the services needed at SLFs is air surveillance of the airspace surrounding it. This thesis researches the different surveillance techniques available for use at the SLFs. The main focuses of this paper are an evaluation of the Traffic Alert and Collision Avoidance System (TCAS) when used as a ground sensor at SLFs and the design of a Position and Identification Reporting Beacon (PIRB). The use of the TCAS ground sensor is modeled in Matlab and the results of that model are discussed. The PIRB is a new system that can be used in conjunction with the Automatic Dependent Surveillance-Broadcast (ADS-B) system or independently to provide position information for all aircraft using GPS based positioning.
Master of Science

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Alsaif, Saleh. "Design and Implementation of a Secondary Surveillance Radar/Identification Friend or Foe Transceiver Card." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/14117.

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The performance of SSR/IFF equipment, i.e. the transponder or the interrogator, can be tested by means of an SSR/IFF test set, which is usually extremely expensive, hard to transport and requires end-user certificates. This dissertation thus focuses on the design and implementation of a short-range real- time SSR/IFF Transceiver Card (ITRC), which can be used as an experimental platform for SSR/IFF test applications. User requirements are provided and analysed, resulting in a system breakdown structure, where for each subsystem a summary of related concepts is presented in order to produce the technical requirements for the system. The hardware was designed to be smaller, lighter, less expensive and easy to repair than conventional SSR/IFF test sets. When it has been integrated with an existing SSR/IFF reply emulator, it is capable of generating and analysing RF SSR/IFF signals for modes 1, 2, 3/A, C and secure mode 4 at a frequency of 1030 MHz and 1090 MHz in order to test the functionality of the interrogator and transponder. Verification for the design was accomplished by testing the transceiver hardware and then integrating the system with SSR/IFF transponder and interrogator. The results achieved were found to be compliant with the user requirements.

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Watt, James Penn. "A Highly Abstracted Method of FPGA-Based Development for Secondary Surveillance Radar Transpond Detection." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/148.

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Traditional FPGA-based digital design is based on writing hardware definition language (HDL) code from scratch. Time to market, cost of development, and the level of training required for designers all can be reduced with a simplified and abstracted design strategy. This project intends to demonstrate a graphical user interface (GUI) layer of abstraction on top of existing commercially produced design aids including MATLAB, Simulink, and Xilinx System Generator. This project performs and demonstrates a specific implementation example of a Secondary Surveillance Radar (SSR) message decoder as proof-of-concept for the abstracted design method. The abstracted digital design methods shown in this project can be adapted for use in other areas of development and research including digital signal processing and communications.

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Neemat, Sharef. "Design and implementation of a digital real-time secondary surveillance radar/identification friend or foe target emulator." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/12213.

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Includes abstract.
Includes bibliographical references (p.121-122).
A real live test involving such a large number of targets would be extremely expensive, and difficult to repeat. There is thus a need for specialized target emulators to be developed and used as laboratory test equipment. This thesis describes the design and implementation of a transistor-transistorlogic (TTL) real-time SSRlIFF target emulator.

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Miklíček, Marek. "Monitorování technického stavu částí radarových systémů." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363890.

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The goal of this thesis is to design a diagnostic subsystem for secondary surveillance radar and to construct a functional prototype of communication and testing generator unit. The first part of the thesis aims at description and division of radar systems, with emphasis on air traffic control radars. Main attention is being focused on ATC secondary surveillance radars and description of their function. Following part deals with requirements specification for design of diagnostic system and the system design itself. Part of the thesis forms design, production and testing of prototype of block enabling communication of diagnostic subsystem and function of testing generator for secondary surveillance radar.

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Šíblová, Kamila. "Možnosti využití ADS-B pro řízení provozu v CTR a po ploše." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232097.

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Diploma thesis deals with the ADS-B system and its possible use at the Airport Václav Havel in Prague. In the beginning of this thesis there is described the history leading to the introduction of this system and then the ADS-B is explained. In this thesis is also included a schedule for the introduction of the system. Them the application is presented to the airport with integrity verification, functionality, reliability and safety.

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Pecen, Vojtěch. "Výkonové zesilovače v pevné fázi pro pásmo L." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316425.

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The goal of this diploma's thesis is to create a design of a two stages amplifier working in a band reserved for the secondary surveillance radar at the frequency of 1090 MHz. Output power of the amplifier should be 20 W and efficiency should be as high as possible. Because of this the second stage is designed in class C. Contents of this diploma's thesis include a theoretical analysis, simulations of the amplifier parameters, comparison of the Ansys Designer and AWR Microwave Office simulation programs and design of both stages of the amplifier, followed by a comparison of the measured parameters with the simulations.

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Drápal, Stanislav. "Využití SSR módu S pro řízení pohybů letadel a vozidel po ploše letiště." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232018.

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The topic of this thesis relates to the state-of-art technologies and systems used for airport ground movements monitoring and guidance. Emphasis is placed on mode S of SSR, its characteristics, applications and avionics requirements. This thesis further comprises analysis of Brno - Turany Airport and it presents a new multilateration system including economical analysis, which would be used for aerodrome ground movements monitoring.

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Книги з теми "Radar de surveillance secondaire"

Stevens, Michael C. Secondary surveillance radar. Boston: Artech House, 1988.

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United States. National Oceanic and Atmospheric Administration, ed. Weather surveillance radar (WSR-88D). [Washington, D.C.?: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, 1993.

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Lee, Frederick W. Adaptive radar. Washington, DC: Naval Research Laboratory, 1991.

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Lee, Frederick W. Adaptive radar. Washington, DC: Naval Research Laboratory, 1991.

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Security, Canada Canadian Institute for Internatioanl Peace and. Surveillance over Canada. Ottawa: CIIPS, 1990.

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Kidd, S. J. Computer aided design of surface surveillance radar. Birmingham: University of Birmingham, 1985.

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United States. Interdepartmental Committee for Meteorological Services and Supporting Research. Joint Action Group for Phased Array Radar Project. Federal research and development needs and priorities for phased array radar. Silver Spring, MD (8455 Colesville Rd., Silver Spring 20910): Office of the Federal Coordinator for Meteorological Services and Supporting Research, 2006.

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Li, Nengjing. Dui kong qing bao lei da zong ti lun zheng. Beijing: Guo fang gong ye chu ban she, 2008.

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Pillai, S. Unnikrishna. Space Based Radar. New York: McGraw-Hill, 2008.

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United States. Forest Service. Alaska Region., ed. A secret on the mountain: Sitka's World War II radar on Harbor Mountain. [Juneau, Alaska?]: Forest Service, Alaska Region, 1998.

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Частини книг з теми "Radar de surveillance secondaire"

Rahman, Habibur. "Secondary Surveillance Radar." In Fundamental Principles of Radar, 281–90. Boca Raton : Taylor & Francis, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9780429279478-15.

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Tsikin, Igor A., and Ekaterina S. Poklonskaya. "Accuracy of Secondary Surveillance Radar System Remote Analysis Station." In Lecture Notes in Computer Science, 598–606. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-67380-6_56.

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Gao, Jing, Jie Zou, and Ning Guo. "A Secondary Surveillance Radar Data Analysis Technique Based on Geometrical Method." In Lecture Notes in Electrical Engineering, 707–15. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6508-9_85.

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Mintu, Yitro Marchel, Ahmad Rossydi, and M. Akbar. "Design of Microcontroller-based Secondary Surveillance Radar as a Learning Media." In Proceedings of the 2nd International Conference on Railway and Transportation 2023 (ICORT 2023), 540–55. Dordrecht: Atlantis Press International BV, 2024. http://dx.doi.org/10.2991/978-94-6463-384-9_48.

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Semenets, Valerii, Iryna Svyd, Ivan Obod, Oleksandr Maltsev, and Mariya Tkach. "Quality Assessment of Measuring the Coordinates of Airborne Objects with a Secondary Surveillance Radar." In Data-Centric Business and Applications, 105–25. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71892-3_5.

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Bagus, H. Bambang, Nyaris Pambudiyatno, Yuyun Suprapto, Iga Ayu Mas Oka, and Fiqqih Faizah. "Wideband Microstrip Array Antenna Using Defected Ground and Microstrip Structure for Monopulse Secondary Surveillance Radar Application." In Proceedings of the International Conference on Advance Transportation, Engineering, and Applied Science (ICATEAS 2022), 15–25. Dordrecht: Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-092-3_3.

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Dieudonné, J. M. "Airport Surveillance Radar." In Gallium Arsenide Technology in Europe, 40–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78934-2_4.

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Blahut, Richard E. "Theory of Remote Surveillance Algorithms." In Radar and Sonar, 1–65. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4684-7100-7_1.

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Lynn, Paul A. "Modern Surveillance Radar for Civil Air Traffic Control." In Radar Systems, 120–32. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-18748-5_7.

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Lynn, Paul A. "Modern Surveillance Radar for Civil Air Traffic Control." In Radar Systems, 120–32. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1579-7_7.

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Тези доповідей конференцій з теми "Radar de surveillance secondaire"

Taguchi, Mitsuo, and Haruo Kawakami. "Wullenweber Antenna with ULPIL Element Antenna for Secondary Surveillance Radar." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), 1007–8. IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10686273.

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Vazquez, L. "Monopulse secondary surveillance radar evaluator." In Radar Systems (RADAR 97). IEE, 1997. http://dx.doi.org/10.1049/cp:19971651.

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Otsuyama, Takuya, Junichi Honda, Kakuichi Shiomi, Gaku Minorikawa, and Yusuke Hamanaka. "Performance evaluation of Passive Secondary Surveillance Radar for small aircraft surveillance." In 2015 European Radar Conference (EuRAD). IEEE, 2015. http://dx.doi.org/10.1109/eurad.2015.7346348.

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Franz, J., M. Weber, G. Hatke, and L. Wood. "Secondary surveillance phased array radar (SSPAR)." In 2014 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2014. http://dx.doi.org/10.1109/icnsurv.2014.6820007.

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Minteuan, Gheorghe, and Tudor Palade. "Monopulse Secondary Surveillance Radar Antenna Theory." In 2020 International Symposium on Electronics and Telecommunications (ISETC). IEEE, 2020. http://dx.doi.org/10.1109/isetc50328.2020.9301114.

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Svabenik, Petr, David Zeman, Radek Balada, and Zbynek Fedra. "Separation of secondary surveillance radar signals." In 2011 34th International Conference on Telecommunications and Signal Processing (TSP). IEEE, 2011. http://dx.doi.org/10.1109/tsp.2011.6043683.

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Radulescu, Victorita. "The Impact of the Wind Power Plant on the Air Radars Functioning." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86823.

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Анотація:

Nowadays a large interest in the public and private sector is dedicated in generating electricity using renewable resources. Thus, over 60,000 MW is produced worldwide by using the wind energy. These systems are generally composed of power plants formed from 2–3 to several tens, hundreds of wind turbines with rotating blades that reach heights over 160m. The number, the height, and the rotation of these wind turbines represent technical challenges for the radar system efficiency and accuracy. They should be assessed carefully, in each case, to ensure that it maintains an acceptable level of the air space surveillance capability. The research paper presents the influence of the wind power farms on the air radars especially in cases of surveillance area, both for the primary radars and the secondary radars. There are differences between the interference between the wind turbines and radars functioning, depending on the types of radars. In the last decades in Romania is a permanent effort to increase the number the wind farms built, or in the process of being built, but also referring at the number of wind turbines in these parks and their physical dimensions. This paper focuses on the effects of the wind farms on the radars efficiency, and their potential impact on the ability of airspace surveillance. This results in a concise and transparent reference guide for developers of wind farms when assessing the impact of wind turbines on aerial surveillance systems. Specialists are relatively unanimous in their opinion that, in order to make an assessment of the impact of the wind farms on the radars must be defined at least three areas corresponding to different levels of the technical expertise. They must be combined with the influence of the wind farms on the ability of the radar to fulfill the mission, why they were installed, assuming that it is necessary to create an exclusive protection area. First, are discussed briefly the principles of the radar’s operation, depending on their type: primary and secondary surveillance radars. Further, are estimated the induced reflections by the wind power plant on the radar system. If the number of false targets generated by the reflections from wind turbines is too big, so it exceeds the processing capacity of the radar, the operational capacity will suffer. There are presented some theoretical aspects, followed by some cases where the proper functioning of the primary and secondary radars is affected. The model is tested in field, at two different distances, with airplanes and helicopter flying at different altitudes, with radar placed near the wind power plant Fantanele – Cogelac, the biggest in Romania. Finally, is estimated the area necessary to assure proper functioning of radars. Some conclusions and references are presented.

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Zaghloul, S., N. Petrochilos, and M. Mboup. "Secondary Surveillance Radar replies source separation via the Disjoint Component Analysis." In International Conference on Radar Systems (RADAR 2022). Institution of Engineering and Technology, 2022. http://dx.doi.org/10.1049/icp.2022.2365.

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Kabakchiev, Chr, and I. Garvanov. "CFAR BI technique for Secondary Surveillance Radar." In 2008 Tyrrhenian International Workshop on Digital Communications - Enhanced Surveillance of Aircraft and Vehicles (TIWDC/ESAV). IEEE, 2008. http://dx.doi.org/10.1109/tiwdc.2008.4649042.

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Zavodny, Vadim, Pavel Bezousek, and Vladimir Schejbal. "Secondary surveillance radar for RSP-10M system." In 2018 28th International Conference Radioelektronika (RADIOELEKTRONIKA). IEEE, 2018. http://dx.doi.org/10.1109/radioelek.2018.8376389.

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Звіти організацій з теми "Radar de surveillance secondaire"

Grappel, Robert D., Garrett S. Harris, Mark J. Kozar, and Randall T. Wiken. Elementary Surveillance (ELS) and Enhanced Surveillance (EHS) Validation via Mode S Secondary Radar Surveillance. Fort Belvoir, VA: Defense Technical Information Center, April 2008. http://dx.doi.org/10.21236/ada489387.

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Farr, Steven D. Foreign Surveillance Radar Upgrade Analysis. Fort Belvoir, VA: Defense Technical Information Center, February 1992. http://dx.doi.org/10.21236/ada249440.

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Coleman, J. O., and J. J. Alter. A Demonstration of Surveillance-Radar Communication. Fort Belvoir, VA: Defense Technical Information Center, October 1985. http://dx.doi.org/10.21236/ada351535.

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Brown, Gerald, Matthew Carlyle, Ahmad Abdul-Ghaffar, and Jeffrey Kline. A Defender-Attacker Optimization of Port Radar Surveillance. Fort Belvoir, VA: Defense Technical Information Center, January 2011. http://dx.doi.org/10.21236/ada549417.

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van der Sanden, J. J., P. W. Vachon, and J. F. R. Gower. Combining Optical and Radar Satellite Image Data for Surveillance of Coastal Waters. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/219631.

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METCALF AND EDDY INC BOSTON MA. Cannon Air Force base New Mexico, Installation of Digital Airport Surveillance Radar, Final Environmental Assessment. Fort Belvoir, VA: Defense Technical Information Center, July 2005. http://dx.doi.org/10.21236/ada442660.

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Patton, Carl E. Microwave Magnetic Solitons in Ferrite Films - Physics and Devices for Radar, Electronic Countermeasures, and Surveillance. Fort Belvoir, VA: Defense Technical Information Center, December 2001. http://dx.doi.org/10.21236/ada398901.

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Kulhandjian, Hovannes. Detecting Driver Drowsiness with Multi-Sensor Data Fusion Combined with Machine Learning. Mineta Transportation Institute, September 2021. http://dx.doi.org/10.31979/mti.2021.2015.

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Анотація:

In this research work, we develop a drowsy driver detection system through the application of visual and radar sensors combined with machine learning. The system concept was derived from the desire to achieve a high level of driver safety through the prevention of potentially fatal accidents involving drowsy drivers. According to the National Highway Traffic Safety Administration, drowsy driving resulted in 50,000 injuries across 91,000 police-reported accidents, and a death toll of nearly 800 in 2017. The objective of this research work is to provide a working prototype of Advanced Driver Assistance Systems that can be installed in present-day vehicles. By integrating two modes of visual surveillance to examine a biometric expression of drowsiness, a camera and a micro-Doppler radar sensor, our system offers high reliability over 95% in the accuracy of its drowsy driver detection capabilities. The camera is used to monitor the driver’s eyes, mouth and head movement and recognize when a discrepancy occurs in the driver's blinking pattern, yawning incidence, and/or head drop, thereby signaling that the driver may be experiencing fatigue or drowsiness. The micro-Doppler sensor allows the driver's head movement to be captured both during the day and at night. Through data fusion and deep learning, the ability to quickly analyze and classify a driver's behavior under various conditions such as lighting, pose-variation, and facial expression in a real-time monitoring system is achieved.

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Peterson, Brian, J. Beeco, Sharolyn Anderson, and Damon Joyce. Exploring spatial patterns of overflights at Mount Rushmore National Memorial. National Park Service, June 2022. http://dx.doi.org/10.36967/nrr-2293663.

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The purpose of this study was to explore the spatial patterns of overflights at Mount Rushmore National Memorial (Mount Rushmore). Overflights were analyzed from August 15th, 2020 to May 15th, 2021 using Automatic Dependent Surveillance-Broadcast (ADS-B) and radar data from L3Harris. The first phase of analysis focused on all overflights and found a high concentration of overflights fly above Mount Rushmore. The second phase of analysis focused on low-level overflights that fly below 9,000ft mean sea level (MSL), which showed that many low-level overflights fly in a ring-shaped pattern around Mount Rushmore. The third phase of analysis removed all overflights known to not be air tours. Point density analysis was conducted using waypoints segmented into 500ft above ground level (AGL) altitude intervals, which showed that the density of overflights varied by altitude interval and the 1,000-1,500ft AGL range had the highest density of overflights around and above Mount Rushmore. This altitude interval also had the highest number of waypoints. It was also determined that the aircraft owners who fly the most helicopter routes fly at mean and median altitudes less than 1,600ft AGL. This information can be used for planning and management purposes and this study serves as a resource for future research that intends to use more advanced analytics.

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