Maneuvering target parameter estimation method based on compressed sensing
A technology for parameter estimation and maneuvering targets, which is applied in the field of radar detection and can solve problems such as unreasonable assumptions
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[0043] The compressed sensing-based maneuvering target parameter estimation method provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0044] like figure 1 As shown, the maneuvering target parameter estimation method based on compressed sensing provided by the present invention includes the following steps carried out in order:
[0045] 1) Estimate the clutter covariance matrix using the data of the reference unit;
[0046] Assume that an N-element uniform linear array is placed along the heading direction on the airborne platform, and the distance between array elements is d=0.5λ, where λ is the radar emission pulse wavelength, and K pulses are emitted within one CPI, x nk is the complex sampling value corresponding to the nth array element on the kth pulse, then the received data on each range gate can be written as an N×K matrix as follows:
[0047]
[0048] Considering that the num...
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