Wideband Signal Synthesis Method Based on Multiple Transmit Multiple Receive Frequency Division Radar
A wideband signal, multi-transmit and multi-receive technology, applied in the field of radar
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[0033] This patent proposes a synthetic broadband signal method for obtaining low sidelobe pulse pressure waveforms based on multi-transmission and multi-reception frequency division signal radars, so that multi-transmission and multi-reception radars can effectively obtain high-resolution range images of targets through bandwidth synthesis.
[0034] The feature of the wide-band radar of multi-send and multi-receive frequency-division signals used in the present invention is: the transmitter includes M parallel sub-transmitters, and transmits M frequency-division signals in parallel; and the receiver includes N parallel sub-receivers and signal processing machine, and the sub-receiver is an M channel frequency division parallel receiver. The receiver obtains M×N channels of received signals in total.
[0035]In order to synthesize wideband signals, the receiver first utilizes signals in the same frequency band for receiving beamforming, so that the receiving beams point to the...
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Abstract
Description
Claims
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