Time-division MIMO radar space-time phase decoupling method based on random transmitted pulse
A technology for transmitting pulses and radars, applied in the field of multiple-input and multiple-output radars, which can solve problems such as wrong angle estimation, incorrect calculation of compensation phase, and decoupling phase errors
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[0024] The implementation of the method of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0025] like image 3 As shown, a sparse reconstruction technique and a matched filter technique are used to independently reconstruct the target Doppler spectrum and the target spatial spectrum from the random transmitted pulse sequence, and then solve the problem of space-time phase coupling of moving targets in TDM-MIMO radar. method, the specific process is:
[0026] Step 1. Design a random emission measurement matrix, obtain the sequence of controlling the random switching of the emission array elements through the measurement matrix, and replace the original emission element periodic time-division scheme with the pulse emission sequence according to the space placement position with the random emission time-division scheme, to achieve The effect of decoupling the angular velocity information of the moving target.
[0027] St...
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