A Method for Determining the Lower Limit of Pulse Repetition Frequency of Synthetic Aperture Radar
A technology of synthetic aperture radar and pulse repetition frequency, which is applied in the direction of radio wave reflection/re-radiation, utilization of re-radiation, measurement devices, etc., can solve problems such as the design of the lower limit value of the PRF that cannot be directly used for large squint spotlight SAR systems, Achieve the effect of reducing the number of transmitted pulses and reducing the amount of echo data
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0036] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are described by taking the missile-borne synthetic aperture radar as an example.
[0037] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0038] Step 1, determine the Doppler bandwidth of the SAR target echo signal.
[0039] Step 1 specifically includes the following sub-steps...
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