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Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]最新文献

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2-D target imaging of spotlight SAR based on higher-order statistics 基于高阶统计量的聚束SAR二维目标成像
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851885
Xingdong Liang, R. Tao, Siyong Zhou, Yue Wang
{"title":"2-D target imaging of spotlight SAR based on higher-order statistics","authors":"Xingdong Liang, R. Tao, Siyong Zhou, Yue Wang","doi":"10.1109/RADAR.2000.851885","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851885","url":null,"abstract":"This paper analyzes the imaging algorithm of spotlight SAR. It is shown that the spotlight SAR imaging can be viewed as 2D harmonic retrieval when the target is mainly composed of a small number of distinct point scatterers. A new approach based on higher-order statistics for radar imaging is presented to reduce the influence of Gaussian colored noise. A new method for harmonics pairing is also presented. Compared with the Fourier transform and algorithms based on autocorrelation, such as MUSIC, the new method can effectively reduce the influence of Gaussian colored noise.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122798651","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
Autofocusing of SAR images based on RELAX 基于RELAX的SAR图像自动调焦
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851890
Y. Zheng, Z. Bao
{"title":"Autofocusing of SAR images based on RELAX","authors":"Y. Zheng, Z. Bao","doi":"10.1109/RADAR.2000.851890","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851890","url":null,"abstract":"An autofocus algorithm based on RELAX is presented. Assuming that there exist multiple dominant scatterers in each range bin, the algorithm performs the phase error correction and the parameter estimation of the dominant scatterers alternatively by adopting an iterative procedure. The proposed algorithm does not require that the clutter and noise in each range bin be of a certain distribution model, and it can be used to estimate all kinds of phase errors. Thus the proposed algorithm is robust for most kinds of scene content. The results obtained in autofocusing experiments on real SAR/ISAR data show that the algorithm is very efficacious.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125786715","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: 8
Non co-operative air target identification using radar imagery: identification rate as a function of signal bandwidth 使用雷达图像的非合作空中目标识别:作为信号带宽函数的识别率
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851851
K. Rosenbach, J. Schiller
{"title":"Non co-operative air target identification using radar imagery: identification rate as a function of signal bandwidth","authors":"K. Rosenbach, J. Schiller","doi":"10.1109/RADAR.2000.851851","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851851","url":null,"abstract":"Non-cooperative identification of (air) targets is still an unsolved problem though being of high relevance in the context of reliable friend-foe identification. In the past many methods have been proposed and investigated, e.g., by using the infrared, acoustical, optical or radar signatures of the targets. Some of these methods are passive ones, having the advantage of not alerting the observed object, but with some other shortcomings such as very limited observation ranges or marginal resolutions. The approach presented in this paper is based on exploitation of radar images of aircraft. Considered are one-dimensional radar images (so-called high-range resolution profiles) and 2D ISAR images.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121459491","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: 19
In-flight icing hazard detection radar 飞行中结冰危险探测雷达
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851918
R. Lefevre, C. Shipley, D. Woods, R. Van Daalen Wetters
{"title":"In-flight icing hazard detection radar","authors":"R. Lefevre, C. Shipley, D. Woods, R. Van Daalen Wetters","doi":"10.1109/RADAR.2000.851918","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851918","url":null,"abstract":"Technology Service Corporation (TSC) is developing a prototype dual-frequency airborne radar system for remotely sensing hazardous in-flight icing conditions. The system, which is based on integrating a Ka-band radar into a commercial X-band weather radar, will be used to demonstrate the feasibility of the differential attenuation technique used to remotely measure cloud liquid water content (LWC). This paper provides an overview of in-flight icing phenomenology, discusses differential attenuation theory and the LWC measurement technique, and presents some measured and simulated results. This work is being supported, under a Phase II SBIR Contract (NAS399103), by NASA/Glenn under the technical direction of Andrew Reehorst.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134112742","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
An evaluation and the optimum threshold for radar return signal applied for a mutual information 基于互信息的雷达回波信号评估与最佳阈值
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851836
M. Kondo
{"title":"An evaluation and the optimum threshold for radar return signal applied for a mutual information","authors":"M. Kondo","doi":"10.1109/RADAR.2000.851836","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851836","url":null,"abstract":"This paper proposes a new evaluation method using mutual information for radar return signals. It is shown that there is an optimum threshold level for detecting a radar target in the received signal due to the maximization of the mutual information applied to the evaluation method.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"166 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127572408","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: 5
Ambiguity analysis of PANDORA multifrequency FMCW/SFCW radar PANDORA多频FMCW/SFCW雷达模糊度分析
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851801
M. Jankiraman, E. de Jong, P. van Genderen
{"title":"Ambiguity analysis of PANDORA multifrequency FMCW/SFCW radar","authors":"M. Jankiraman, E. de Jong, P. van Genderen","doi":"10.1109/RADAR.2000.851801","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851801","url":null,"abstract":"This paper pertains to the design aspects of a multifrequency FMCW/SFCW radar with emphasis on the engineering problems involved in its implementation. The paper mostly discusses the FMCW mode of operation. This system can also be used for generating SFCW signals. The implications in this mode are also examined. In the FMCW mode, this radar generates 8 separate FMCW signals which are then additively mixed and radiated. The target return also comprises returns at these frequencies. The signals are then split into their constituents and processed collectively to obtain an extremely high resolution synthetic image of the target. This paper discusses the philosophy which went into the implementation of this radar followed by an analysis of the range resolution capability of this system. It then discusses the ambiguity function one obtains for this type of radar, its advantages and disadvantages.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133433381","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: 13
Forward scattering radar moving object coordinate measurement 前向散射雷达运动目标坐标测量
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851915
A.B. Blyakhman, A. G. Ryndyk, S. B. Sidorov
{"title":"Forward scattering radar moving object coordinate measurement","authors":"A.B. Blyakhman, A. G. Ryndyk, S. B. Sidorov","doi":"10.1109/RADAR.2000.851915","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851915","url":null,"abstract":"The unique features of a forward scattering radar system have been emphasized in some publications. One of the basic problems of implementation of a forward scattering radar system is the problem of moving object trajectory parameter measurement. Methods of this problem solution have been discussed. The comparative analysis of different versions of a bistatic forward scattering radar structure demonstrated that the most promising among them is the variant with a continuous quasi-harmonical signal. Using a sufficiently effective algorithm of moving object trajectory parameter measurement, this variant of the radar structure allows us to overcome all the essential difficulties which interfere with construction of a bistatic forward scattering radar. In the case of quasi-harmonic signal use, a 2D radar usually finds the Doppler frequency, f/sub /spl alpha//, and the returned signal direction bearing, /spl alpha/. Our purpose is to find trajectory parameters using parameters f and /spl alpha/. The analytical solution of this problem by the method of maximum likelihood is discussed. The results of the analytical study and full-scale field test results are presented.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128835112","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: 40
Hybrid optical-RF system for generating an improved linear frequency modulated pulses for radar applications 用于产生雷达应用的改进线性调频脉冲的混合光学-射频系统
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851933
R. Appelman, Z. Zalevsky, D. Mendlovic, G. Shabtay
{"title":"Hybrid optical-RF system for generating an improved linear frequency modulated pulses for radar applications","authors":"R. Appelman, Z. Zalevsky, D. Mendlovic, G. Shabtay","doi":"10.1109/RADAR.2000.851933","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851933","url":null,"abstract":"This paper presents a novel approach for generating a linear frequency modulated (LFM) pulse. The generated pulse is characterized by a large bandwidth and frequency linearity. The LFM pulses can be used for a variety of applications such as synthetic aperture radar, ultra wideband radar etc. The obtained improvements are obtained by a hybrid optical-RF configuration. The suggested optical setup not only significantly enlarges the bandwidth of the produced chirp beam, but also allows us to tune its carrier frequency.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131423285","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
Evaluation of the normalized parametric adaptive matched filter STAP test in airborne radar clutter 机载雷达杂波条件下归一化参数自适应匹配滤波器STAP试验评价
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851932
J. Michels, B. Himed, M. Rangaswamy
{"title":"Evaluation of the normalized parametric adaptive matched filter STAP test in airborne radar clutter","authors":"J. Michels, B. Himed, M. Rangaswamy","doi":"10.1109/RADAR.2000.851932","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851932","url":null,"abstract":"The performance of a recently proposed parametric space-time adaptive processing (STAP) detection method is considered here and compared with several candidate algorithms. Specifically, we consider signal detection in additive disturbance consisting of compound-Gaussian clutter plus Gaussian thermal white noise. Consideration is given to both detection and constant false alarm rate (CFAR) robustness with respect to clutter texture power variations. Finally, the performance of the new test is assessed using small training data support size.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115845169","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: 19
Performance analysis of the multi-stage Wiener filter 多级维纳滤波器的性能分析
Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037] Pub Date : 2000-05-07 DOI: 10.1109/RADAR.2000.851925
B. Himed, J. Michels
{"title":"Performance analysis of the multi-stage Wiener filter","authors":"B. Himed, J. Michels","doi":"10.1109/RADAR.2000.851925","DOIUrl":"https://doi.org/10.1109/RADAR.2000.851925","url":null,"abstract":"This paper studies the effects of several parameters on the detection performance of a novel space-time adaptive technique, termed the multi-stage Wiener filter. This technique offers full space-time adaptive processing at a reduced computational cost. Focus is on the effects of several parameters on the performance of the proposed approach. Parameters considered are the number of stages required, sensitivity to over/under-estimating this number, effects of internal clutter motion (ICM), aircraft crab angle, presence of jammers and training data size. A comparative analysis with two rank reducing approaches, namely, the eigencanceler and the cross-spectral metric, has also been included. Both simulations and measured data results are provided.","PeriodicalId":286281,"journal":{"name":"Record of the IEEE 2000 International Radar Conference [Cat. No. 00CH37037]","volume":"279 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125855923","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: 1
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