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The Army Research Laboratory ultra-wide band testbed radars 陆军研究实验室超宽带试验台雷达
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522632
M. Ressler, L. Happ, L. Nguyen, T. Ton, M. Bennett
{"title":"The Army Research Laboratory ultra-wide band testbed radars","authors":"M. Ressler, L. Happ, L. Nguyen, T. Ton, M. Bennett","doi":"10.1109/RADAR.1995.522632","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522632","url":null,"abstract":"In 1988, the Army Research Laboratory (ARL) began a research program to determine the feasibility of bringing emerging technologies together to analyze the problem of seeing through an inhomogeneous medium such as tree/foliage cover or the ground. The results of these studies indicated that continuing work in this area and sponsoring enabling technologies could produce a realizable system, thus leading to an understanding of the physics associated with foliage and ground penetration radar. Based on technology available in 1988, ARL instrumented an ultra-wideband (UWB) synthetic aperture radar (SAR) to collect data supportive of foliage penetration (FOPEN) and ground penetration (OPEN) studies. These programs are aimed at measuring and analyzing the basic phenomenology of impulse radar, specifically the propagation effects of targets, clutter, and targets embedded in clutter. At the time, the system developed at ARL lacked real-time data collection capability. Low transmit-power and the relatively slow data-transfer rates from the A/D converter to the data archiving system resulted in a system that needed many pulses to coherently integrate the power up, produced large amounts of collected data, and require a 50-hour data collection period. Today, by taking advantage of commercial off-the-shelf processors, an advanced A/D converter, a more powerful transmitter, and lessons learned, the authors have designed and assembled a more capable impulse implementation. The paper describes this upgraded radar system and the associated components used in the radar.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122184567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
Multi-channel receiver and optical data link for radar systems with digital beamforming 数字波束形成雷达系统的多通道接收和光数据链
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522545
W. D. de Heij, H. Muskens
{"title":"Multi-channel receiver and optical data link for radar systems with digital beamforming","authors":"W. D. de Heij, H. Muskens","doi":"10.1109/RADAR.1995.522545","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522545","url":null,"abstract":"A multi-channel receiver has been developed for radar systems with digital beamforming. The design achieves a low cost, small volume, and low dissipation per receiver channel, combined with large dynamic range and a high noise immunity. Important aspects are the shielding of all internal connections by a specially designed packaging, a high degree of integration including A/D-converter and digital pre-processing in the receiver module, and a fiber optical link to transmit the output data to the signal processing. The article describes the design of the multichannel receiver and shows some experimental results obtained from a production unit.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124107127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Ellipsoidal gating for an airborne track while scan radar 机载跟踪扫描雷达的椭球门控
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522568
S. K. Singh, M. Premalatha, G. Nair
{"title":"Ellipsoidal gating for an airborne track while scan radar","authors":"S. K. Singh, M. Premalatha, G. Nair","doi":"10.1109/RADAR.1995.522568","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522568","url":null,"abstract":"In an airborne surveillance radar, tracking in the presence of clutter and multiple targets requires that proper observations (plots) be assigned to each target track by comparing them with the corresponding predicted target positions. This paper discusses the solution used to capture low as well as high maneuvering targets and also to control the false correlations of tracks with the observations, using additional parameters from the radar such as signal strength and the Doppler information. A track-oriented wild maneuvering gate shape is suggested for capturing highly maneuvering targets, up to 8g. Once a proper observation-to-track pairing is achieved, filtering and prediction methods are used to give the best estimates of the target kinematic quantities such as position, velocity and acceleration. The algorithms suggested here are most applicable to airborne track-while-scan (TWS) radars, which have low data update rate.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123140062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Design and implementation of a fully automated OTH radar tracking system 设计和实现全自动OTH雷达跟踪系统
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522561
S. Shaw, J. Arnold
{"title":"Design and implementation of a fully automated OTH radar tracking system","authors":"S. Shaw, J. Arnold","doi":"10.1109/RADAR.1995.522561","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522561","url":null,"abstract":"Detection and tracking systems for OTH radars typically require manual oversight because of clutter, noise, and propagation conditions. The authors have designed and constructed a tracking system that eliminates this intervention. The system is based on a two-stage approach that detects low-SNR tracks in the raw data without amplitude-based peak detection. The resulting tracker has been tested under a variety of conditions and found to be robust and accurate. A version of the tracking system has been in production use at the authors' R&D OTH facility since 1992.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125290698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
A new transportable precision approach radar 一种新型可移动精密进场雷达
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522600
Y. Kuwahara, S. Yanase, J. Yamashita
{"title":"A new transportable precision approach radar","authors":"Y. Kuwahara, S. Yanase, J. Yamashita","doi":"10.1109/RADAR.1995.522600","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522600","url":null,"abstract":"The monopulse technique is widely used for tracking radars. For tracking at a low elevation angle, a narrow beam is required in the elevation plane to reduce multipath signals such as ground reflections. In this case, an elliptical aperture is desired. The authors have developed a new transportable precision approach radar for a radar approach control using a phased array antenna with high tracking accuracy and aperture efficiency which is composed of a monopulse feed and an elliptical aperture. The authors outline the radar system.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117203728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Adaptive nullsteering of main lobe jamming; analysis of the ARTIST trials 主瓣干扰的自适应零转向艺术家试验的分析
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522527
A. Theil
{"title":"Adaptive nullsteering of main lobe jamming; analysis of the ARTIST trials","authors":"A. Theil","doi":"10.1109/RADAR.1995.522527","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522527","url":null,"abstract":"The paper considers the effectiveness of adaptive nullsteering in main lobe jamming scenarios. Four variants of algorithms are evaluated using data that has been gathered experimentally with an eight element array radar operating at C-band. The measurements were conducted in a coastal environment. Compared to fixed beamforming, an improved detection capability is clearly demonstrated. Furthermore, clutter suppression prior to weighting yields further improvements under adverse weather and sea state conditions.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117333307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The optimum coherent Neyman-Pearson radar receiver 最佳相干内曼-皮尔逊雷达接收机
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522608
E. Lovli
{"title":"The optimum coherent Neyman-Pearson radar receiver","authors":"E. Lovli","doi":"10.1109/RADAR.1995.522608","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522608","url":null,"abstract":"The paper introduces a new coherent radar receiver structure that is optimum in the Neyman-Pearson sense in white noise. This new receiver structure is different from the pulse Doppler filter bank, and therefore refute the general understanding that the extension of the single Doppler filter to a Doppler filter bank is optimum when the target velocity is unknown. It examine the target detection problem of a coherent air search radar using a conventional pulsed waveform.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117350007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Harbor control search processing for detection of slow moving ships in adverse conditions 港口管制搜索处理，用于检测在不利条件下缓慢移动的船舶
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522557
P. E. Pace, D. B. Brewer, L. L. Taylor, G. Laulusa, E. Butt
{"title":"Harbor control search processing for detection of slow moving ships in adverse conditions","authors":"P. E. Pace, D. B. Brewer, L. L. Taylor, G. Laulusa, E. Butt","doi":"10.1109/RADAR.1995.522557","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522557","url":null,"abstract":"Two land based harbor control search signal processors are numerically evaluated using actual recorded sea clutter data which contain different weather conditions, sea states, and various degrees of land background. The first processor is based on an inverse digital MTI (IDMTI). The second approach forms a series of narrow band filters across the clutter region. The detection performance using both actual and calibrated targets is also quantified.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116993027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radar locating of small-sized targets on the rough sea surface background 粗糙海面背景下小型目标的雷达定位
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522525
Y.G. Zemskov, Y. Zotov, V. Sidorov
{"title":"Radar locating of small-sized targets on the rough sea surface background","authors":"Y.G. Zemskov, Y. Zotov, V. Sidorov","doi":"10.1109/RADAR.1995.522525","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522525","url":null,"abstract":"The task of locating small-sized targets on a rough sea surface background is a complicated combined scientific-technical problem the solution of which calls for a number of special procedures: the analysis of the returned signals from the sea surface and over water target characteristics; and the choice of selection method, and locating algorithm development.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124123984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Integrity monitoring and estimation of systematic errors in radar data systems 雷达数据系统中系统误差的完整性监测与估计
Proceedings International Radar Conference Pub Date : 1995-05-08 DOI: 10.1109/RADAR.1995.522564
I. Jonsdottir, A. S. Hauksdóttir
{"title":"Integrity monitoring and estimation of systematic errors in radar data systems","authors":"I. Jonsdottir, A. S. Hauksdóttir","doi":"10.1109/RADAR.1995.522564","DOIUrl":"https://doi.org/10.1109/RADAR.1995.522564","url":null,"abstract":"Initial steps towards the design of a fault detection module for radar and the setup of Kalman filtering for systematic error estimation in simulated and real radar data are described. The Kalman filter was set up in two different ways. The first setup assumed that a 'perfect' reference trajectory was available, e.g., GPS data. Excellent results were obtained, when the Kalman filter estimated systematic errors in simulated data. When applied to real data, the results were quite good, however, estimating the quality of the results is more difficult in this case, since the true systematic errors are not known. The second setup compared simulated data from two radar systems. In this case observability problems became apparent in the results.","PeriodicalId":326587,"journal":{"name":"Proceedings International Radar Conference","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134411727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
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