Multichannel clutter suppression method based on robust principal component analysis
A technique of principal component analysis and clutter suppression, which is applied in the radio wave measurement system, radio wave reflection/re-radiation, utilization of re-radiation, etc., can solve target self-cancellation, poor practicability, and wrong selection of moving target data training Samples and other issues to achieve the effect of reducing system complexity, improving detection performance, and avoiding data traversal
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[0041] The present invention will be further described below in conjunction with accompanying drawing:
[0042] refer to figure 1 , is a flowchart of a multi-channel clutter suppression method based on the robust principal component analysis method of the present invention. The multi-channel clutter suppression method based on the robust principal component analysis method includes the following steps:
[0043] S1: Use each receiving channel of the radar to receive echo data, and perform range pulse compression processing and range migration correction on each echo data in turn to obtain a corresponding range-Doppler image. In the embodiment of the present invention, the radar is an airborne synthetic aperture radar. There are M evenly arranged receiving channels on the radar, each receiving channel of the radar is arranged linearly, and the distance between two adjacent receiving channels is d. When the radar is working, it first sends out signals, and then uses each recei...
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