Digital Channelized Technology Based on Software Defined Radio

摘要

Digital channelized technology is one of the key technology of software defined radio. A noblind area efficient digital channelized structure and a channelized structure based on short time Fourier transform are derived from traditional lowpass filter structure in the paper. The characteristics of two kinds of structure are analyzed respectively. A practical system is designed and realized and the no-blind area efficient digital channelized structure is verified correct though computer simulation and practical testing.