Signal Processing And Performance Analyzing Of Phase-coded Radar

Nowadays Electronic Countermeasures become increasingly drastic. Owing to phase-coded radar having good anti-jamming capability and low probability of intercept property, people pay much more attention to it. However, phase-coded radar has the disadvantages of higher range sidelobe.To solve the problem of higher range sidelobe, three methods are discussed in this paper : the subtraction in time field based on parameter estimation and adaptive filter, and eigen-subspce projection. It can be seen from the results of simulation that the three methods can suppress the sidelobe ideally, and have a good effect on multi-signal processing at one range gate.At the same time, the ambiguity function and performance guideline between PBRC CW and RBRC CW are analyzed and compared in this paper.