用于高分辨率宽测绘带SAR系统的SAR/GMTI处理方法研究
随着科技的不断发展,高分辨宽测绘（High-Resolution and Wide-Swath,HRWS）SAR成像已经越来越受到人们的关注,具有地面动目标指示（Ground Moving Target Indication,GMTI）功能的SAR成像系统因其具有对静止场景进行高分辨成像和动目标检测能力在很多军用和民用领域受到广泛运用。具有HR,WS成像能力的沿方位多通道SAR系统,其可以有效地解决高分辨和低脉冲重复频率（Pulse Repetition Frequency,PRF）的矛盾,该矛盾在HRWS成像处理过程中经常遇到。由于方位空域自由度可以用来进行杂波抑制,因此多通道构型具有提供G...
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| Published in | 雷达学报 Vol. 4; no. 4; pp. 375 - 385 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安电子科技大学雷达信号处理国家重点实验室 西安 710071
2015
|
| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-283X |
| DOI | 10.12000/JR15096 |
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| Abstract | 随着科技的不断发展,高分辨宽测绘（High-Resolution and Wide-Swath,HRWS）SAR成像已经越来越受到人们的关注,具有地面动目标指示（Ground Moving Target Indication,GMTI）功能的SAR成像系统因其具有对静止场景进行高分辨成像和动目标检测能力在很多军用和民用领域受到广泛运用。具有HR,WS成像能力的沿方位多通道SAR系统,其可以有效地解决高分辨和低脉冲重复频率（Pulse Repetition Frequency,PRF）的矛盾,该矛盾在HRWS成像处理过程中经常遇到。由于方位空域自由度可以用来进行杂波抑制,因此多通道构型具有提供GMTI潜能。该文提出一种新的杂波抑制和动目标的成像方法,使得在低PRF的HRWS系统进行SAR成像的同时可以完成动目标的检测与成像处理,而不需要单独的高PRF系统操作模式。 |
|---|---|
| AbstractList | 随着科技的不断发展,高分辨宽测绘（High-Resolution and Wide-Swath,HRWS）SAR成像已经越来越受到人们的关注,具有地面动目标指示（Ground Moving Target Indication,GMTI）功能的SAR成像系统因其具有对静止场景进行高分辨成像和动目标检测能力在很多军用和民用领域受到广泛运用。具有HR,WS成像能力的沿方位多通道SAR系统,其可以有效地解决高分辨和低脉冲重复频率（Pulse Repetition Frequency,PRF）的矛盾,该矛盾在HRWS成像处理过程中经常遇到。由于方位空域自由度可以用来进行杂波抑制,因此多通道构型具有提供GMTI潜能。该文提出一种新的杂波抑制和动目标的成像方法,使得在低PRF的HRWS系统进行SAR成像的同时可以完成动目标的检测与成像处理,而不需要单独的高PRF系统操作模式。 TN957; 随着科技的不断发展,高分辨宽测绘(High-Resolution and Wide-Swath,HRWS)SAR成像已经越来越受到人们的关注,具有地面动目标指示(Ground Moving Target Indication, GMTI)功能的SAR成像系统因其具有对静止场景进行高分辨成像和动目标检测能力在很多军用和民用领域受到广泛运用.具有HRWS成像能力的沿方位多通道SAR系统,其可以有效地解决高分辨和低脉冲重复频率(Pulse Repetition Frequency,PRF)的矛盾,该矛盾在HRWS成像处理过程中经常遇到.由于方位空域自由度可以用来进行杂波抑制,因此多通道构型具有提供GMTI潜能.该文提出一种新的杂波抑制和动目标的成像方法,使得在低PRF的HRWS系统进行SAR成像的同时可以完成动目标的检测与成像处理,而不需要单独的高PRF系统操作模式. |
| Author | 邢孟道 孙光才 李学仕 |
| AuthorAffiliation | 西安电子科技大学雷达信号处理国家重点实验室,西安710071 |
| AuthorAffiliation_xml | – name: 西安电子科技大学雷达信号处理国家重点实验室 西安 710071 |
| Author_FL | Xing Meng-dao Li Xue-shi Sun Guang-cai |
| Author_FL_xml | – sequence: 1 fullname: Xing Meng-dao – sequence: 2 fullname: Sun Guang-cai – sequence: 3 fullname: Li Xue-shi |
| Author_xml | – sequence: 1 fullname: 邢孟道 孙光才 李学仕 |
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| ClassificationCodes | TN957 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.12000/JR15096 |
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| DocumentTitleAlternate | Study on SAR/GMTI Processing for High-resolution Wide-swath SAR System |
| DocumentTitle_FL | Study on SAR/GMTI Processing for High-resolution Wide-swath SAR System |
| EndPage | 385 |
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| Keywords | 同时 动目标成像 高分辨宽测绘 合成孔径雷达 动目标检测 |
| Language | Chinese |
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| Notes | 10-1030/TN Synthetic Aperture Radar （SAR）; High-Resolution Wide-Swath （HRWS）; Moving targets detection Moving targets imaging; Simultaneous Xing Meng-dao, Sun Guang-cai ,Li Xue-shi （National Laboratory of Radar Signal Processing, Xidian University, Xi＇an 710071, China） In recent years, there have been many studies on Synthetic Aperture Radar （SAR）, and HighResolution and Wide-Swath （HRWS） imaging has attracted increasing attention. High-resolution images of a stationary scene enabling the detection of moving targets can be provided by an SAR system combined with Ground Moving Target Indication （GMTI）, which is widely used in many civilian applications. A multichannel in azimuth HRWS SAR system has been presented to effectively deal with conflicts between high resolution and low Pulse Repetition Frequency （PRF）, which are encountered during HRWS SAR imaging. Because the spatial degrees of freedom in the azimuth can be employed to suppress a clutter, the multichannel configuration offers significant potential for |
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| PublicationTitle | 雷达学报 |
| PublicationTitleAlternate | Journal of Radars |
| PublicationTitle_FL | Journal of Radars |
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| Publisher | 西安电子科技大学雷达信号处理国家重点实验室 西安 710071 |
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| SubjectTerms | 动目标成像 动目标检测 合成孔径雷达 同时 高分辨宽测绘 |
| Title | 用于高分辨率宽测绘带SAR系统的SAR/GMTI处理方法研究 |
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