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2006 International Radar Symposium最新文献

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Estimation of Efficiency of Modified Method of Detecting and Recognizing Shallowly Buried Objects 浅埋目标检测与识别改进方法的效率估计
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338014
V. Mikhnev, Y. Maksimovitch, P. Vainikainen
{"title":"Estimation of Efficiency of Modified Method of Detecting and Recognizing Shallowly Buried Objects","authors":"V. Mikhnev, Y. Maksimovitch, P. Vainikainen","doi":"10.1109/IRS.2006.4338014","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338014","url":null,"abstract":"A modified digital spectral analysis method of detection and discrimination of shallowly buried targets is presented The technique includes three steps. calibration of radar - subtraction of the ground surface return - modified range profiling and had been tested for different antennas system and objects. The method accounts for the antenna dispersion in the case of not too wide radiation pattern and considerably improves situation with unwanted multiply reflections between antennas and ground surface. It has been found that from the properties of peaks in the radar range profile (amplitude, the form of change from a minimum to a maximum) one can estimate the difference in contrast of the buried object and surrounding medium. It allows evaluating properties of the object approximately if the permittivity of the ground is known.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116617628","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
Experimental determination of soil characteristics from the parameters of scattered signals at X- and Ka-bands 从X和ka波段散射信号参数测定土壤特性的实验研究
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338139
G. Kulemin, E. Goroshko, E. Tarnavsky
{"title":"Experimental determination of soil characteristics from the parameters of scattered signals at X- and Ka-bands","authors":"G. Kulemin, E. Goroshko, E. Tarnavsky","doi":"10.1109/IRS.2006.4338139","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338139","url":null,"abstract":"The results are described of bare soil remote sensing at X- and Kalpha-bands: the angular dependences of the normalized RCS for different test areas, dependence of the normalized RCS on soil moisture and surface roughness, polarization dependences of scattered signal on soil moisture and surface roughness.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122241516","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
Bayesian Theory of the "Pareto-optimal" STAP Devices “帕累托最优”STAP装置的贝叶斯理论
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338011
Y. D. Shirman, V. Orlenko
{"title":"Bayesian Theory of the \"Pareto-optimal\" STAP Devices","authors":"Y. D. Shirman, V. Orlenko","doi":"10.1109/IRS.2006.4338011","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338011","url":null,"abstract":"After adding some details to Melvin's overview on theory and technique of STAP, we point out the role of connecting the STAP with CFAR theory by Kelly. It is shown that the use of a priory data on interference gives the new capabilities to the theory by Kelly.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"129 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134202947","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
Non-resonant mechanisms of radar signal scattering from the sea surface 海面雷达信号散射的非共振机制
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338104
Y. Kravtsov, V. Kudryavtsev, A. Stateczny
{"title":"Non-resonant mechanisms of radar signal scattering from the sea surface","authors":"Y. Kravtsov, V. Kudryavtsev, A. Stateczny","doi":"10.1109/IRS.2006.4338104","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338104","url":null,"abstract":"The main non-resonant (non-Bragg) mechanisms of microwave backscattering from the sea surface are described, which are backscatter from large scale breaking gravity waves and backscatter from the steep wavelets of meso-scale spectrum (meso-waves). The important features of the non-resonant scattering at low grazing angles, which principally can not be explained by the commonly accepted resonant theory are abnormal polarization ratio, upwind-down wind asymmetry and presence of strong spikes. For interpretation of the observed data extended composite model of the sea surface is suggested. In contrast to the standard two scale composite model, based on the Bragg theory, extended composite model involves the non-resonant components, describing contribution of the large scale breaking waves (\"macro-breaking\") and contribution of the sharp-crested waves of the meso-scale (decimeter) spectrum (\"micro-breaking\"). The paper intend to stimulate analyzing the angular, frequency and polarization characteristics for the both non-resonant mechanisms and thereby to reveal specific signatures of each mechanism.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134415896","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
Performance Analysis of a Novel Adaptive SLB/CFAR System 一种新型自适应SLB/CFAR系统性能分析
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338108
M. Hamadouche, M. Bencheikh, B. Magaz, A. Belouchrani
{"title":"Performance Analysis of a Novel Adaptive SLB/CFAR System","authors":"M. Hamadouche, M. Bencheikh, B. Magaz, A. Belouchrani","doi":"10.1109/IRS.2006.4338108","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338108","url":null,"abstract":"In many radar applications, strong signals may enter through the antenna sidelobes and be interpreted as main beam signal. This results in false detection and angle errors [1]. A new adaptive sidelobe blanking (SLB) combined with a constant false alarm rate processor (CFAR) is proposed to prevent acquisition of strong target in the antenna sidelobes and also to reject pulsed interference originating in the sidelobes with maintaining constant the false alarm rate. We assume that the target is a Swerling I target fluctuation model. Closed form of probabilities of detection, false alarm, blanking and false blanking are determined and the performance of the system SLB/CFAR is analysed.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130944767","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
Covert Operation of Surveillance Noise Radar 监视噪音雷达的秘密行动
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338100
V. Kantsedal, K. Lukin
{"title":"Covert Operation of Surveillance Noise Radar","authors":"V. Kantsedal, K. Lukin","doi":"10.1109/IRS.2006.4338100","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338100","url":null,"abstract":"paper is devoted to solving the functional problem of the ground-based surveillance pulse noise radar for covert operation in the presence of operative electronic support measures system (ESMS). The radiation covertness is provided by selecting space-time frequency parameters of noise sounding signals and the corresponding structures of noise radar returned-signal processing, and by the definite radiation strategy for sounding local scan zones, the stage of target servicing and adaptive control of radio electronic ESMS countermeasures means.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132137762","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
Impact of Road Vehicle Accelerations on SAR-GMTI Motion Parameter Estimation 道路车辆加速度对SAR-GMTI运动参数估计的影响
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4337998
S. Baumgartner, M. Gabele, G. Krieger, K. Bethke, S. Zuev
{"title":"Impact of Road Vehicle Accelerations on SAR-GMTI Motion Parameter Estimation","authors":"S. Baumgartner, M. Gabele, G. Krieger, K. Bethke, S. Zuev","doi":"10.1109/IRS.2006.4337998","DOIUrl":"https://doi.org/10.1109/IRS.2006.4337998","url":null,"abstract":"In this paper the problem of reliable along-track velocity estimation is addressed. It is known that the neglection of across-track accelerations can bias the estimates of along-track velocities, but up to now it is unknown which vehicle accelerations appear in real traffic scenarios. On this account an experiment to measure accelerations was conducted. The acceleration measurement results, which are presented and discussed in this paper, imply that accelerations must not be neglected in the along- track velocity estimation step if accurate estimates are required. Finally, some basic ideas are given which enable a reliable separation of along-track velocity and across- track acceleration and so improve the estimation accuracy.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133738167","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
3D motion model and detection method for ISAR imaging ISAR成像三维运动模型及检测方法
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338117
T. Thayaparan, W. Brinkman
{"title":"3D motion model and detection method for ISAR imaging","authors":"T. Thayaparan, W. Brinkman","doi":"10.1109/IRS.2006.4338117","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338117","url":null,"abstract":"This paper develops an algorithm to detect the presence of 3-dimensional target motion from ISAR data. With the detection algorithm, we have the ability to distinguish the time intervals when the target undergoes smooth 2-dimensional motion from those containing more chaotic 3-dimensional motion. As a result, we can reliably detect those time intervals where 2-dimensional target motions are predominant and can use the existing 2-dimensional motion compensation algorithms such as the adaptive joint time-frequency to form well-focused inverse synthetic aperture radar images.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130081466","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
Generalized Ambiguity Functions for Ultra Wide Band Random Waveforms 超宽带随机波形的广义模糊函数
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338120
S. Axelsson
{"title":"Generalized Ambiguity Functions for Ultra Wide Band Random Waveforms","authors":"S. Axelsson","doi":"10.1109/IRS.2006.4338120","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338120","url":null,"abstract":"The generalized ambiguity function of a random ultra wide waveform can be defined from the cross-correlation between the waveform and a time-scaled and delayed version of it, where the time scaling is related to the relative velocity of the target and the delay to the range. As a result of the randomness, the ambiguity function fluctuates between different realizations. A full characteerization includes its statistical distribution but often second orders staatistics are sufficient. The ambiguity function is then described as a sum of its average and a noise component defining a noise floor. The average value includes in the integrand a time-scaled version of the autocorrelation function of the random waveform, while the variance of the ambiguity function defines the noise floor of the side lobes. Particularly useful in characterizing the ambiguity function of a random waveform is the second moment statistics describing the sum of the squared aveerage and the variance. Formulations are developed analytically for Gaussian waveforms, phase-modulation by continuous Gaussian noise and randomized step frequency radar.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114112949","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: 16
Sensitivity Analysis of Configuration in Bistatic Radars 双基地雷达构型灵敏度分析
2006 International Radar Symposium Pub Date : 2006-05-24 DOI: 10.1109/IRS.2006.4338127
S. Bayat, M. Emadi, M. Mousavi, A. Jafargholi, M. Nayebi
{"title":"Sensitivity Analysis of Configuration in Bistatic Radars","authors":"S. Bayat, M. Emadi, M. Mousavi, A. Jafargholi, M. Nayebi","doi":"10.1109/IRS.2006.4338127","DOIUrl":"https://doi.org/10.1109/IRS.2006.4338127","url":null,"abstract":"There are inherent errors in target location and velocity measurement caused by bistatic geometry in addition to the errors that are caused in monostatic radars. In this paper, the accuracy of measurement with respect to some parameters like baseline variance and DOA estimation is considered and bistatic parameters sensitivity with respect together is formulated.","PeriodicalId":124475,"journal":{"name":"2006 International Radar Symposium","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116051349","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
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