航空兵器Issue(1)：68-73,6.DOI:10.19297/j.cnki.41-1228/tj.2017.01.011
宽带数字信道化接收机算法研究与硬件实现
Wideband Digital Channelized Receiver's Algorithm Research and Its Hardware Implementation
摘要
Abstract
The theoretical research and hardware implementation of wideband digital channelized receiver are carried out.The algorithm model of this system adopts the polyphase filters structure.The IFFT algorithm is used to simplify the structure and the parameters of channelized polyphase filters, and to make down conversion for each channel to produce baseband signal for subsequent signal recognition and analysis.The equal and adjacent channel 50% overlapping pattern is used to divide the channel band.The A/D conversion chip and FPGA chip are used to implement the hardware of this system.The A/D conversion chip is used to get the wideband signals, and the FPGA chip is used to complete the software algorithm.This receiver's structure have many advantages, such as flexible design, simple implementation, high computational efficiency, strong real-time processing capability, low computational complexity and less FPGA hardware resources.关键词
接收机/信道化/多相滤波/IFFT/FPGAKey words
receiver/channelization/polyphase filter/IFFT/FPGA分类
信息技术与安全科学引用本文复制引用
刘昕卓,米胜男,曲志昱,司伟建..宽带数字信道化接收机算法研究与硬件实现[J].航空兵器,2017,(1):68-73,6.基金项目
航空科学基金项目(201401P6001) （201401P6001）
中央高校基本科研业务费专项资金项目(HEUCF150804) （HEUCF150804）
