Time-frequency atom research on radar emitter signal
LU Zhong-ling · Journal of Chongqing University of Posts and Telecommunications · 2011
When a time-frequency approach is applied to analyze the radar emitter signal,the choice of time-frequency atom dictionaries is a key issue and different dictionaries have distinct performances on different signals.In order to make a good choice from various dictionaries,this paper compares five dictionaries with different structural characteristics on five kinds of radar emitter signals with different modulations by the use of quantum-inspired evolutionary algorithms.Experimental results show that the selection of time-frequency atoms is closely related to the characteristics of radar emitter signals.