| 专利名称 | Spaceborne Multi-Channel Synthetic Aperture Radar Imaging Device | 申请号 | EP20140169332 | 专利类型 | EP | 公开（公告）号 | EP2896971(B1) | 公开（授权）日 | 2016.03.23 | 申请（专利权）人 | 中国科学院电子学研究所 | 发明（设计）人 | DENG, YUNKAI;WANG, YU;ZHANG, ZHIMIN;YU, WEIDONG;ZHAO, FENGJUN;WANG, WEI;GUO, LEI;WANG, CHUNLE | 主分类号 | G01S13/90 | IPC主分类号 | G01S13/90 | 专利有效期 | Spaceborne Multi-Channel Synthetic Aperture Radar Imaging Device 至Spaceborne Multi-Channel Synthetic Aperture Radar Imaging Device | 法律状态 | 说明书摘要 | The present disclosure provides a spaceborne multi-channel synthetic aperture radar imaging device, the plurality of paths of elevation-directional receiving antenna assemblies are arranged equidistantly in elevation direction of the multi-channel SAR imaging system; each of the plurality of paths of elevation-directional receiving antenna assemblies receives a radar echo, and generates a path of elevation-directional echo data; the echo data received by the plurality of paths of elevation-directional receiving antenna assemblies forms a path of echo signal after passing through the elevation-directional digital beam forming unit, a plurality of paths of elevation-directional receiving antennas corresponding to the path of echo signal serve as a column of receiving antennas; the plurality of columns of azimuth-directional receiving antenna assemblies are arranged in azimuth direction of the multi-channel SAR imaging system; each column of azimuth-directional receiving antenna assemblies receives radar echoes, and outputs a path of azimuth-directional echo data, wherein the plurality of columns of azimuth-directional receiving antenna assemblies generate a plurality of paths of echo signals after passing through respective digital beam forming unit, and the plurality of paths of echo signals enter the azimuth-directional spectrum reconstruction unit to implement azimuth-directional spectrum reconstruction; the azimuth-directional spectrum reconstruction unit, with its input ends connected respectively with output ends of the plurality of paths of elevation-directional digital beam forming units, is configured to perform azimuth-directional spectrum reconstruction on echo signals outputted from the digital beam forming units, generate and output a SAR echo signal; and the imaging device, with its input end connected with the output end of the azimuth-directional spectrum reconstruction unit, is configured to receive the SAR echo signal and generate a SAR image from the SAR echo signal. |
1、源头对接，价格透明
2、平台验证，实名审核
3、合同监控，代办手续
4、专员跟进，交易保障