Extraction of micro-Doppler signal based on the combination of CLEAN and L-statistics method
A micro-Doppler signal extraction method base on the combination of the CLEAN algorithm and the L-statistics algorithm is proposed. L-statistics algorithm is adapted to estimate the parameter of the local polynomial Fourier transform (LPFT) process. The LPFT process is used to compensate the bulk motion of the target. And then a CLEAN method is used to remove the fuselage echo. Comparing to the L-statistic algorithm, the proposed method can get rid of the fuselage interference without influence on the micro-Doppler part. A simulated data containing fuselage echo, micro-Doppler echo and noise signal is given to verify the validity of the proposed method.