A launch phase optimization method for mimo radar main lobe anti-jamming
An optimization method and radar technology, applied in radio wave measurement systems, instruments, etc., can solve problems such as poor stability of random phase encoding performance, and achieve fast calculation speed, large output signal-to-interference-noise ratio, and small number of array elements and interference. Effect
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[0029] 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.
[0030] An embodiment of the present invention provides a method for optimizing the initial phase of transmission for MIMO radar main lobe anti-interference, by deriving and analyzing the projection of the steering vector of the desired signal on the covariance matrix of the interference signal, a cost function is given, and by adding Linear phase constraints are used to find a better initial value of iteration, and a method based on Search Circulate Iteration (...
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