A Simulation Method of Synthetic Aperture Radar Echo Signals under Non-straight Track Conditions
A synthetic aperture radar and echo signal technology, which is applied in the reflection/re-radiation of radio waves, radio wave measurement systems, instruments, etc., can solve the problem of time-consuming Monte Carlo simulation experiments, and achieve wide applicability and computational efficiency. High, reduced complexity effects
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[0026] The present invention will be further explained below in conjunction with the accompanying drawings. figure 1 The geometric diagram of SAR imaging is shown on the SAR two-dimensional slant range plane. When we discuss the SAR echo signal on the two-dimensional slant range plane, it can be assumed without loss of generality that the movement direction of the main body of the radar platform is the x-axis direction; the radar position coordinates are The coordinates of the scattering center are The radar beam is directed to where θ sq Represents the oblique angle of radar beam pointing; the instantaneous direction of the scattering center relative to the radar is in Such as figure 1 shown; figure 2 The geometric schematic diagram of SAR imaging is shown in the three-dimensional geometric space. When we discuss SAR echo signals in three-dimensional space, we can still assume that the movement direction of the main body of the radar platform is the x-axis direct...
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