A New Parameter Estimator for Multipath LFM Signal
Qiang Ma · Electronic Information Warfare Technology · 2006
A new method for estimating parameters for LFM by cyclic cross-correlation transform com-bining with signal separation technology is presented.First,the character parameters of emitted signal are estimated by cyclic correlation transform and the emitted signal is reconstructed by the estimated parameters.And then,the parameters of the strongest signal component are estimated by cyclic cross-correlation transform of the reconstructed signal and observing signal.Then,this path signal compo-nent is reconstructed using the estimated parameters and is cut from the observing signals,which can separate each path signal and reduce the effect of strong path component upon weak component.Fi-nally,some computer simulations are given.