航空学报 > 2001, Vol. 22 Issue (S1): 84-87

基于DSP的高动态数字解扩接收机的研究

李署坚, 任俊涛, 王丹志, 邵定蓉   

  1. 北京航空航天大学电子工程系204教研室 北京 100083
  • 收稿日期:2000-05-10 修回日期:2000-10-16 出版日期:2001-11-25 发布日期:2001-11-25

STUDY ON THE DIGITAL SPREAD SPECTRUM RECEIVER WITH HIGH DYNAMIC BASED ON DSP

LI Shu-jian, REN Jun-tao, WANG Dan-zhi, SHAO Ding-rong   

  1. Dept.of Electronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
  • Received:2000-05-10 Revised:2000-10-16 Online:2001-11-25 Published:2001-11-25

摘要: 讨论了高动态、低信噪比、长伪码序列扩频信号的伪码捕获、跟踪、载波跟踪与数据解调方法。提出了一种基于高速数字信号处理技术和现场可编程逻辑器件 ( FPGA)的全数字高动态解扩接收机方案。

关键词: 数字解扩接收机, 高动态, 数字信号处理(DSP)

Abstract: The paper discusses the acquisition and tracking of the PN code and the tracking of the carrier in high dynamic range, low SNR and long PN code. It presents a project of the digital spread spectrum receiver with high dynamic based on DSP and FPGA.

Key words: digital sp read spect rum receiver, h igh dynam ic, digital signal p rocesso r (DSP)