Self-adaptive beamforming method based on interference and noise covariance matrix reconstruction
A technology of covariance matrix, interference and noise, applied in the direction of radio wave measurement systems, instruments, etc., can solve the problems of limited application range, no ability to suppress interference signals, poor performance, etc., achieve high output signal-to-noise ratio, and ensure detection effect, the effect of reducing the amount of computation
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[0019] 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.
[0020] Embodiments of the present invention provide an adaptive beamforming method based on interference plus noise covariance matrix reconstruction, such as figure 1 As shown, the method includes the following steps:
[0021] Step 1, establishing a uniform linear array with M array elements, the uniform linear array is used to receive Q far-field narrowband signals, and the Q far-field narrowband signals received by the uniform linear array contain 1 target t...
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