Three-dimensional imaging method for multi-transmitting and multi-receiving synthetic aperture radar
A synthetic aperture radar, multi-transmit and multi-receive technology, applied in the direction of re-radiation, radio wave reflection/re-radiation, measurement devices, etc., can solve problems such as defocus, unfavorable parallel processing, position offset, etc., to reduce the amount of calculation , is conducive to the effect of parallel processing
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[0021] Below in conjunction with accompanying drawing and the example of the present invention, the present invention will be further described.
[0022] figure 1 It is a flowchart of the method of the present invention. figure 2 It is the geometric relationship diagram when the multi-send and multi-receive array scans along a straight line. O represents the origin of the coordinates, the x-axis represents the azimuth direction, the y-axis represents the distance direction, and the z-axis represents the height direction. The send and receive array is parallel to the x-axis, at a distance of y from the origin 0 scan along the z-axis, and the z-axis coordinate of the multi-send and multi-receive array is h. The coordinates of the transmitting array element are (u, y 0 ,h), the coordinates of the receiving element are (v,y 0 ,h), the coordinates of any point on the target are (x,y,z). Assuming that the transmitted signal is a step frequency signal, the measurement data of ...
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