Rapid and refined processing method for radar maneuvering targets based on hierarchical accumulation detection
A technology of maneuvering targets and processing methods, which is applied in the field of radar detection and estimation of maneuvering targets, and the rapid and refined processing of radar maneuvering targets. Effects of improving SCR and improving detection performance
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings. With reference to the accompanying drawings of the description, the processing flow of the present invention is divided into the following steps:
[0023] 1) Radar echo distance pulse pressure
[0024] At the receiving end of the coherent radar, the received and amplified radar echo data is sampled in the range and azimuth directions. Usually the range sampling interval is equal to the radar range resolution unit, and the azimuth sampling frequency is equal to the pulse repetition frequency to ensure During the signal processing time in the range direction and azimuth direction, the echo of the moving target can be completely collected, and the radar echo data in the range direction can be demodulated. IF (t,t m ), the radar transmitted signal can be used as the demodulation reference signal
[0025]
[0026] In the formula, t is the fast time in the puls...
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