Single sampling radar signal processing system and method

A single sampling radar signal processing system, comprising:

• a pseudo-random sequence generator, an integral sampler, an analog-to-digital converter (ADC) module, a controller and a compression domain detector;
• wherein
• the pseudo-random sequence generator comprises a pseudo-random sequence output end;
• the integral sampler comprises a radar signal input end, a pseudo-random sequence receiving end, an integral sampling value output end, a clear signal input end and a control signal input end;
• the ADC module comprises an integral sampling value input end and a compression measuring value output end;
• the controller comprises a clear signal output end and a control signal output end;
• the compression domain detector comprises a compression measuring value input end and a target position output end;
• the radar signal input end is connected to a receiving end of the radar, the pseudo-random sequence receiving end is connected to the pseudo-random sequence output end, the integral sampling value output end is connected to the integral sampling value input end, the clear signal input end is connected to the clear signal output end, and the control signal input end is connected to the control signal output end;
• the compression measuring value output end is connected to the compression measuring value input end;
• the pseudo-random sequence generator is configured to generate a pseudo-random sequence according to a low-speed clock signal input by an external clock, and send the pseudo-random sequence to the integral sampler;
• the controller is configured to generate a clear signal and a control signal after receiving a synchronization signal sent by the radar, send the clear signal to the integral sampler, and send the control signal to the integral sampler;
• the integral sampler is configured to perform integral sampling on the radar signal according to the pseudo-random sequence, the clear signal and the control signal after receiving the radar signal, which is sent by the radar, of the target to be detected, to obtain an integral sampling value of each pulse signal in the radar signal, and configured to control an initial integral sampling time of each pulse signal in the radar signal in such a way that each of the pulse signals is sequentially delayed by a preset time during integral sampling;
• the integral sampler is further configured to send the integral sampling value of each pulse signal to the ADC module after obtaining the integral sampling value of each pulse signal;
• the ADC module is configured to quantize the integral sampling value of the pulse signal after receiving the integral sampling value of the pulse signal, obtain a compression measuring value of the pulse signal, and send the compression measuring value of the pulse signal to the compression domain detector;
• and
• the compression domain detector is configured to take a plurality of the pulse signals as a compression sampling period, obtain the target position of the target to be detected according to the compression measuring value of all the pulse signals in one of the compression sampling periods, and output the target position from the target position output end.