Scattering point model estimation method based on target echo intensity sorting
A technology of target echo and echo model, which is applied to radio wave measurement systems, instruments, etc.
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[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0034] The invention provides a matrix beam method based on "coefficient truncation" for estimating the parameters of the target scattering point echo model and improving the accuracy of the estimating model.
[0035] Such as figure 1 As shown, the parameter estimation steps of the target scattering point echo all-pole model in the present invention include: constructing a Hankel matrix and decomposing its singular value, intercepting the singular value and unitary matrix and reconstructing the Hankel matrix, calculating the generalized eigenvalue of the matrix bundle, calculating and combining Intercept the model coefficients, filter the generalized eigenvalues to re-estimate the model coefficients, and construct the scattering point echo model.
[0036] Coefficient truncation: According to the relative echo intensity of each scattering poi...
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