Sum-difference tracking angle measurement method based on Nested array
An array and angle measurement technology, which is applied in the direction of radio wave measurement systems and instruments, can solve the problem of not being able to increase the degree of freedom of the array's anti-interference, and achieve the effect of summing and difference tracking direction finding
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[0025] 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.
[0026] A method of sum-difference tracking angle measurement based on Nested array, the method is used for Nested array to realize the tracking of the target, and can resist interference exceeding the number of array elements, such as figure 1 As shown, the method includes the following steps:
[0027] Step 1: Acquire the echo data received by the Nested array, calculate the covariance matrix of the echo data; and vectorize the covariance matrix to form the si...
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