Technical Research of Digital Channelizer Based on Polyphase Filters
Li Xu · Microcomputer Information · 2009
At present wideband and multi-channels digital receiver is a key research point.This kind of receiver can process simultaneously arrival multiple-signals and has high interception probability.Digital channelizer receiver based on polyphase filter is an efficient realization method with low computation and multiple channels.First,under a channel spectrum partition given,a mathematical model of channelized receiver based on polyphase filters is derived and compare with conventionally parallel receiver.Then,a simulation of sixteen channels FSK receiver is demonstrated.The results of simulation verify that this model is valid and practical.