Intermittent sampling and forwarding interference in multicarrier phase coding radar signals
A technology of phase coding and forwarding interference, which is applied in the field of intermittent sampling and forwarding interference to multi-carrier phase-coded radar signals, can solve the problems of prolonged delay, strong regularity and low complexity of interference signals, and achieves strong regularity and delay. The effect of time prolongation and simple interference form
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[0009] Step 1: Signal generation
[0010] Select the phase encoding mode, time width, bandwidth, pulse repetition period, etc. to generate the corresponding multi-carrier phase encoding signal. The present invention selects P4-OFDM, PN-OFDM and Chaos-OFDM.
[0011] Step 2: Interference parameter setting
[0012] When the signal passes through the interference receiver, the target radar signal is screened out through sorting, identification, and frequency measurement, and the intermittent sampling cycle, intermittent sampling pulse width, sampling duty cycle, and interference forwarding are set according to the duration of a single pulse of the radar transmitted signal In this method, the intermittent sampling period needs to be 2 times or more than the sampling pulse width. Among them, the sampling pulse width determines the time delay of the false target lagging behind the real target, and the sampling duty cycle determines the amplitude of the false target. When the repeated...
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