基于高阶累积量的生命微动信号检测方法的研究成果，发表在IEEE Transaction Geoscience and Remote Sensing 期刊上-The research on vital information extraction meets a

lot challenges due to the narrow bandwidth and low signal-to-noise

ratio of a vital sign in real environment. In this paper, a novel

noncontract vital sign detection method based on multiple higher

order cumulant is presented. According to the characteristic of

vital sign for impulse ultrawideband radar, the quasi-periodic

reflected echo in slow-time is analyzed. The novel method is

theoretically deduced from fourth-order cumulant. It is proved

to be better than the reference fast Fourier transform method

by simulation and experiment. By using the new method, the

range position and frequency information of life can be extracted

accurately and automatically.