Spatial distribution-based method for designing radar ground target discriminators
A target identification and spatial distribution technology, which is applied in the field of radar ground target discriminator design, can solve the problems of inability to meet the requirements of real-time processing of radar signals, high computational complexity, and performance degradation, so as to improve target identification performance and realize real-time processing , Improve the effect of target identification ability
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[0037] refer to figure 1 , the realization steps of the invention are as follows:
[0038] Step 1. Construct the feature space of the radar target discriminator training template library.
[0039] (1a) Perform radar echo simulation on typical target high-resolution one-dimensional range images:
[0040] (1a1) In the present invention, the stepped frequency radar synthesis broadband system is adopted, and the radar echoes of typical M-type targets are simulated to obtain a total of N m Frame echo: where e m,n Represents the nth frame of radar echo of a typical target of type m, and its signal model is expressed as:
[0041]
[0042] Where rect(t / τ) represents pulse modulation, the specific formula is:
[0043]
[0044] t represents time sampling, A m,n Indicates the radar echo amplitude of the nth frame of the target of the m category, f c Indicates the radar carrier frequency, Tr indicates the pulse repetition period, τ indicates the pulse width, Δf indicates the...
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