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Content Provider | IET Digital Library |
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Author | Ke, Meng Yin, Wei Zhang, Tianyi Yang, Yanjiao Ding, Zegang |
Abstract | Owing to the spatial separation of transmitter and receiver, bistatic SAR is able to image the area in front of the moving direction of transmitter or receiver, but the geometry model is more complex than that of monostatic SAR, which brings great difficulties to system design and imaging process. Besides, the special geometry configuration of geostationary spaceborne-airborne bistatic forward-looking SAR results in non-orthogonal and non-uniform ground resolution, which is not considered in the traditional range and azimuth resolution. To solve this problem, the resolution ellipse based on the generalised ambiguity function (GAF) is used to maintain the best and worst ground resolution in the resolution cell. The receiver's flight direction is designed to obtain the optimal uniform ground resolution distribution, which has great value for system design and the receiver's path planning. Finally, the accuracy of the resolution ellipse and correctness of the deduced formulas are verified by simulation. |
Starting Page | 5999 |
Ending Page | 6002 |
Page Count | 4 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 19, Oct (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/19 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2019.0444 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2019-05-30 |
Access Restriction | Open |
Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | Airborne Radar Azimuth Resolution Generalised Ambiguity Function Geometry Geometry Model Great Difficulties Imaging Process Monostatic SAR Moving Direction Nonuniform Ground Resolution Optical, Image And Video Signal Processing Optimal Uniform Ground Resolution Distribution Path Planning Radar Equipment Radar Imaging Radar Resolution Receiver Resolution Analysis Resolution Cell Resolution Ellipse SAR Result Signal Processing And Detection Spaceborne Radar Spatial Separation Spatial Variables Control Special Geometry Configuration Synthetic Aperture Radar System And Application System Design Traditional Range Transmitter Worst Ground Resolution |
Content Type | Text |
Resource Type | Article |
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