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2019 16th European Radar Conference (EuRAD)最新文献

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Comparison of 2D and 3D Compressed Sensing for High-Resolution TDM-MIMO Radars 高分辨率TDM-MIMO雷达二维和三维压缩感知的比较
2019 16th European Radar Conference (EuRAD) Pub Date : 2019-10-01 DOI: 10.18725/OPARU-22040
Fabian Roos, Philipp Hügler, Christina Knill, Lizette Lorraine Tovar Torres, N. Appenrodt, J. Dickmann, C. Waldschmidt
{"title":"Comparison of 2D and 3D Compressed Sensing for High-Resolution TDM-MIMO Radars","authors":"Fabian Roos, Philipp Hügler, Christina Knill, Lizette Lorraine Tovar Torres, N. Appenrodt, J. Dickmann, C. Waldschmidt","doi":"10.18725/OPARU-22040","DOIUrl":"https://doi.org/10.18725/OPARU-22040","url":null,"abstract":"In order to enhance the resolution of radar sensors, the sampling of the different measurement domains range, Doppler, and direction-of-arrival can be improved. This, for example, leads to the application of a sparse array for an increased angular resolution and an enhanced multiple-input multiple-output switching scheme for an increased maximum Doppler velocity. In this paper, an investigation is performed in order to determine the dimension where undersampling is most effective. As the measurement dimensions are linked, two different reconstruction approaches of the subsampled data are presented and evaluated. Measurements validate the effective reconstruction of the subsampled data.","PeriodicalId":124280,"journal":{"name":"2019 16th European Radar Conference (EuRAD)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114772019","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
Instantaneous Target Velocity Estimation Using a Network of a Radar and Repeater Elements 利用雷达和中继器单元组成的网络进行瞬时目标速度估计
2019 16th European Radar Conference (EuRAD) Pub Date : 2019-10-01 DOI: 10.18725/OPARU-23804
Benedikt Meinecke, Maximilian Steiner, J. Schlichenmaier, C. Waldschmidt
{"title":"Instantaneous Target Velocity Estimation Using a Network of a Radar and Repeater Elements","authors":"Benedikt Meinecke, Maximilian Steiner, J. Schlichenmaier, C. Waldschmidt","doi":"10.18725/OPARU-23804","DOIUrl":"https://doi.org/10.18725/OPARU-23804","url":null,"abstract":"This paper presents an approach to estimate the true direction of motion and the velocity of a target within a single measurement snapshot. This is achieved by using a single radar sensor in combination with an active repeater element that is operated as a displaced virtual sensor. Coherency between sensor and repeater tag is only obtained by signal processing; on a hardware level both operate incoherently. This setup provides the necessary multi-perspective view on the target at low effort and large freedom of placement. The results of simulations and measurements in the 77 GHz band with one radar sensor and two repeater elements are presented to validate the theory.","PeriodicalId":124280,"journal":{"name":"2019 16th European Radar Conference (EuRAD)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130543365","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
OFDM Waveform for Distributed Radar Sensing in Automotive Scenarios 用于汽车场景分布式雷达传感的OFDM波形
2019 16th European Radar Conference (EuRAD) Pub Date : 2019-10-01 DOI: 10.1017/S1759078720000859
S. Schieler, C. Schneider, Carsten Andrich, M. Döbereiner, Jian Luo, A. Schwind, R. Thomä, G. del Galdo
{"title":"OFDM Waveform for Distributed Radar Sensing in Automotive Scenarios","authors":"S. Schieler, C. Schneider, Carsten Andrich, M. Döbereiner, Jian Luo, A. Schwind, R. Thomä, G. del Galdo","doi":"10.1017/S1759078720000859","DOIUrl":"https://doi.org/10.1017/S1759078720000859","url":null,"abstract":"In this paper, an orthogonal frequency-division multiplexing (OFDM) waveform radar sensing approach is demonstrated based on field measurements at C-band. We demonstrate a concept, that is based on the exploitation of typical wireless communication transmissions to perform passive, distributed radar sensing. Our concept is based on an OFDM radar that operates in the modulation symbol domain and can be well integrated into existing OFDM receivers. The measurement setup and the signal processing steps for the OFDM radar are described. The results show, that the passive, distributed radar sensing approach can be used to detect moving cars and even pedestrians in automotive intersection scenarios.","PeriodicalId":124280,"journal":{"name":"2019 16th European Radar Conference (EuRAD)","volume":"5 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120995692","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: 21
A Tiled C-Band Dual-Polarized 1-Bit Transmitarray 一种平铺c波段双极化1位传输阵列
2019 16th European Radar Conference (EuRAD) Pub Date : 2019-04-16 DOI: 10.23919/EuMC.2019.8910902
I. Munina, P. Turalchuk, A. Verevkin, V. Kirillov, D. Zelenchuk, Alexey Shitvov
{"title":"A Tiled C-Band Dual-Polarized 1-Bit Transmitarray","authors":"I. Munina, P. Turalchuk, A. Verevkin, V. Kirillov, D. Zelenchuk, Alexey Shitvov","doi":"10.23919/EuMC.2019.8910902","DOIUrl":"https://doi.org/10.23919/EuMC.2019.8910902","url":null,"abstract":"An original structure of tiled transmitarray is presented, comprising a number of topologically similar unit cells arranged in arbitrary pattern within a planar grid frame. Each unit cell represents a passive receiver-transmitter structure with integrated switched-loop couplers which can take either of two coding states corresponding to 0° or 180° phase shift imparted to the signal transmitting through the device. The unit cell design supports two orthogonal linear polarizations. The unit cells were fabricated in commercial 5-layer printed circuit board process. An example of a 10x10 element 1-bit beam-steering transmitarray operated in C-band is demonstrated by simulations and measurements. The proposed structure represents a cost-efficient solution for scalable, reconfigurable and conformal transmitarrays, as well as for proof-of-concept experiments in research and education.","PeriodicalId":124280,"journal":{"name":"2019 16th European Radar Conference (EuRAD)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128687905","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
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