MIMO radar super-resolution direction finding algorithm of coherent signal sources under color noise background
A color noise and super-resolution technology, applied in the field of MIMO radar super-resolution direction finding algorithm, can solve the problems of not considering the influence of color noise, loss of differential covariance matrix, and inability to distinguish coherent sources, etc. The effect of excellent performance and strong color noise suppression ability
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[0056] 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 creative efforts fall within the protection scope of the present invention.
[0057] 1. Mixed source MIMO radar data model
[0058] consider as figure 1 The shown MIMO radar, in which the array antennas share the same transmission and reception, is an equidistant linear array of M array elements, and the array element spacing d=λ / 2, where λ is the carrier wavelength.
[0059] Suppose there are P targets in the far field of the radar, and both DOA and DOD are θ p . Then when the target is an ideal point target, the received echo signal can...
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