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2013 International Conference on Radar最新文献

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A virtual target radar system for small arms fire training 用于轻武器射击训练的虚拟目标雷达系统
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6652036
C. Alabaster, E. Hughes, D. Flores-Tapia
{"title":"A virtual target radar system for small arms fire training","authors":"C. Alabaster, E. Hughes, D. Flores-Tapia","doi":"10.1109/RADAR.2013.6652036","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6652036","url":null,"abstract":"This paper describes the development of a novel radar system acting as a virtual target to assist in the training of a marksman. It provides the miss distance of a bullet from an aim point in two axes as the bullet passes through the target plane. Initial work indicates that a low-cost solution can achieve millimetre-level accuracy irrespective of projectile velocity over a wide range of environmental conditions.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124232449","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: 4
A Kirchhoff integral approach to radar propagation over a rough sea 雷达在波涛汹涌海面上传播的Kirchhoff积分方法
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6651959
C. Coleman, P. Berry
{"title":"A Kirchhoff integral approach to radar propagation over a rough sea","authors":"C. Coleman, P. Berry","doi":"10.1109/RADAR.2013.6651959","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6651959","url":null,"abstract":"This paper describes the development of a technique for simulating the forward propagation of radar signals over a rough sea. The work is based on the Kirchhoff integral approach to propagation and includes the full effects of diffraction. The sea surface is described by a special reflection coefficient that incorporates the effect of a rough surface. Several examples are included and demonstrate the effectiveness of the approach.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122414267","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
Time-reversal approach for buried point scatterer detection using a low frequency SAR 低频SAR埋点散射检测的时间反转方法
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6651966
R. Kedzierawski, J. Le Caillec, W. Czarnecki, M. Pasternak
{"title":"Time-reversal approach for buried point scatterer detection using a low frequency SAR","authors":"R. Kedzierawski, J. Le Caillec, W. Czarnecki, M. Pasternak","doi":"10.1109/RADAR.2013.6651966","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6651966","url":null,"abstract":"Time-reversal technique is more often applied in ultrawideband remote sensing. Its use is limited to the media in which the wave equations invariance condition is satisfied, i.e. a lossless and non-dispersion media. However, the loss (conductive) and dispersive media often occur in nature and are the subject of increasing attention. An example of such media is the soil, and its subsurface layered structure, which is subject of an investigation in a number of applications, for example: archaeological, environmental and civil engineering and security - detection of mines and unexploded ordnance. The motivation of this work is to apply the time-reversal technique of high resolution SAR imaging of subsurface soil. Firstly, on the basis of real soil geological database SPADE/2 the 3D model of soil was created as a cascade connection of thin and planar layers with a height d = 0.5 cm. Secondly, simulation for SAR Stripmap geometry were performed. Time-reversal operation on backscattered echo (from Forward probing) and TR probing were execute consecutively after Forward Probing an individual SAR platform position. Results for the three point scatterer, located at the different depth and at the different position along synthetic aperture, are presented, in detail, for closed point approach along aperture.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132073320","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
Combination of empirical/asymptotic models to characterize sea clutter at intermediate angles 结合经验/渐近模式表征海杂波在中间角度
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6652012
A. Fiche, A. Khenchaf, C. Cochin, Y. Hurtaud
{"title":"Combination of empirical/asymptotic models to characterize sea clutter at intermediate angles","authors":"A. Fiche, A. Khenchaf, C. Cochin, Y. Hurtaud","doi":"10.1109/RADAR.2013.6652012","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6652012","url":null,"abstract":"In this paper, we propose to characterize normalized reflectivity of sea clutter at intermediate angles. Two approaches are generally used to model radar signal backscatter by the sea: empirical models based on measurements and asymptotic models based on physics. We choose to interpolate an unified model which combines the Georgia Institute of Technology model (GIT model), defined for low grazing angles, and the GOSSA model, developed by the French Mediterranean Institut of Oceanography, former Fresnel Institut, defined for high angles. The curve fitting of data is made by using the Lagrange and spline interpolations. The results are compared with a set of data (Nathanson and Masuko et al.) and with two mean backscatter models, one developed by the Defence Science and Technology Organisation (DSTO) called IRSG-LIN model and the IGENCE model.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133987104","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
The use of advanced radar in the Bureau of Meteorology 在气象局使用先进雷达
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6651952
P. May, A. Protat, A. Seed, S. Rennie, Xingbao Wang, Claire Cass, Aoife Murphy
{"title":"The use of advanced radar in the Bureau of Meteorology","authors":"P. May, A. Protat, A. Seed, S. Rennie, Xingbao Wang, Claire Cass, Aoife Murphy","doi":"10.1109/RADAR.2013.6651952","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6651952","url":null,"abstract":"The Bureau of Meteorology operates a wide network of various radars for operational forecasting and research. This paper briefly describes the research and development for the quantitative use of these radars and research developments.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133427659","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
Cornish-Fisher technique for estimating detection probabilities for compound clutter distributions 估计复合杂波分布检测概率的Cornish-Fisher技术
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6651993
J. Zuk
{"title":"Cornish-Fisher technique for estimating detection probabilities for compound clutter distributions","authors":"J. Zuk","doi":"10.1109/RADAR.2013.6651993","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6651993","url":null,"abstract":"Application of the Cornish-Fisher technique for the calculation of statistical quantiles to the central moment expansion of the radar detection problem for general non- Rayleigh compound sea clutter distributions yields simple and explicit representations of the detection probability as a function of system and operational parameters. The domain of airborne maritime radar is considered, and the method is illustrated for the case of a Swerling-2 target in K-distributed clutter, where the evaluation of detection curves turns out to be not significantly more computationally expensive than the corresponding Rayleigh-distributed problem. This makes it well suited to operational studies based on computer simulation.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121666156","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
On variability in high resolution range profiles 关于高分辨率距离剖面的变异性
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6652040
S. Doo, G. E. Smith, C. Baker
{"title":"On variability in high resolution range profiles","authors":"S. Doo, G. E. Smith, C. Baker","doi":"10.1109/RADAR.2013.6652040","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6652040","url":null,"abstract":"Radar target classification often uses feature sets derived from high range resolution profiles as an input to a classifier. However, rage profiles typically exhibit variability that is subsequently passed on to the feature vectors used in classification. This results in degraded classification performance as the variance in the feature vectors is too large and the mean distance between feature vector too small. In this paper we examine the fundamental causes of such variability. Specifically we demonstrate via modeling, simulation and experimentation that (i) the output of the matched filter is a sensitive function of the relative position of scatters distributed along the length of a target and (ii) the apparent location of a scatterers phase center is a sensitive function of viewing angle causing significant variability even over orientation changes of a fraction of a degree.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129889933","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
Optimal non-coherent detection in K-distributed clutter environment k分布杂波环境下的最优非相干检测
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6651994
Yunhan Dong
{"title":"Optimal non-coherent detection in K-distributed clutter environment","authors":"Yunhan Dong","doi":"10.1109/RADAR.2013.6651994","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6651994","url":null,"abstract":"Non-coherent detection of Gaussian targets (Swerling II targets) in the K-distributed clutter environment is investigated. The optimal detector is derived based on the Neyman-Pearson principle. It is shown to be the well-known square-law detector in the domain of multi-pulse process. Temporally correlated clutter provides a target gain, and improves detection. The higher the temporal correlation, the higher the target gain. Spatially correlated underlying clutter texture can also provide a constant false-alarm (CFAR) gain. The autoregressive technique is used to optimally estimate the texture of clutter. That in turn significanly improves the detection compared to the traditional cell-averaging processing in the range domain.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128941321","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: 4
Quest for a simultaneous SAR/GMTI waveform 寻求同时SAR/GMTI波形
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6651974
M. Davis
{"title":"Quest for a simultaneous SAR/GMTI waveform","authors":"M. Davis","doi":"10.1109/RADAR.2013.6651974","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6651974","url":null,"abstract":"Multimode airborne radars have been in development for 40 years, providing detection and tracking of both fixed and moving targets. Electronic scanned arrays provide the ability to rapidly switch modes, and survey widely separated areas. However, the demands on high bandwidth and long dwells to separate fixed targets from background clutter counter the high area coverage rate for moving targets. This survey paper will provide the basics on SAR and GMTI surveillance, and tradeoff on radar architecture and algorithms to obtain simultaneous, multimode operation.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127642532","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: 4
Radon-fractional Fourier transform and its application to radar maneuvering target detection radon -分数阶傅里叶变换及其在雷达机动目标检测中的应用
2013 International Conference on Radar Pub Date : 2013-11-04 DOI: 10.1109/RADAR.2013.6652011
Xiaolong Chen, F.Q. Cai, Y. Cong, J. Guan
{"title":"Radon-fractional Fourier transform and its application to radar maneuvering target detection","authors":"Xiaolong Chen, F.Q. Cai, Y. Cong, J. Guan","doi":"10.1109/RADAR.2013.6652011","DOIUrl":"https://doi.org/10.1109/RADAR.2013.6652011","url":null,"abstract":"Long-time coherent integration technique is one of the most important methods for the improvement of radar detection ability of weak moving target, whereas the integration performance may be greatly influenced by the across range unit (ARU) and Doppler frequency migration (DFM) effects. In this paper, a novel transform called the Radon-fractional Fourier transform (RFRFT) is proposed and investigated as a generalization of the conventional MTD and FRFT methods. The target's observation value in the range-slow time plane is firstly extracted according to the preset searching area of the moving target's parameters. Then the observation values are matched and accumulated in RFRFT domain by selecting proper transform angle and the long-time coherent integration process of the non-uniformly moving target is done. Using the amplitude and phase information together, the proposed method can compensate the ARU and DFM effects simultaneously. Finally, simulations are carried out and the performances of different methods including MTD, FRFT, and the Radon-Fourier transform (RFT) are compared, which demonstrate the effectiveness of RFRFT.","PeriodicalId":365285,"journal":{"name":"2013 International Conference on Radar","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129726559","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
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