Study of Carrier Tracking for High-Dynamic Spread Spectrum Signals

CHENG Nai-ping; REN Yu-fei; L

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Study of Carrier Tracking for High-Dynamic Spread Spectrum Signals

更新时间：2025-07-16

- Study of Carrier Tracking for High-Dynamic Spread Spectrum Signals
- Acta Electronica Sinica Vol. 31, Issue S1, Pages: 2147-2150(2003)
- 作者机构：
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- DOI：
  CLC： TN914.43
- Published Online：25 December 2003，
  
  Published：2003
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CHENG Nai-ping, REN Yu-fei, L. Study of Carrier Tracking for High-Dynamic Spread Spectrum Signals[J]. Acta Electronica Sinica, 2003, 31(S1): 2147-2150.
DOI：

CHENG Nai-ping, REN Yu-fei, L. Study of Carrier Tracking for High-Dynamic Spread Spectrum Signals[J]. Acta Electronica Sinica, 2003, 31(S1): 2147-2150. DOI：

摘要

针对高动态环境下扩频信号的载波捕获与跟踪问题

本文分析了多普勒频移对锁相环、锁频环以及环路滤波器设计的影响

以及高动态环境中载波快速捕获问题

在此基础上提出了一种数字复合软环的设计方法

计算机仿真结果表明这种数字复合软环能有效地解决载波快捕与精跟踪的问题.

Abstract

For the question of carrier acquisition and tracking of high- dynamic spread spectrum signals

the analysis is presented for the influence of Doppler frequency shifts to the design of PLL(Phase-Locked-Loops)

FLL (Frequency-Locked-Loops)

and loop filters.Also

the question of fast carrier acquisition for high-dynamic spread spectrum signals is analyzed.The new design method of digital complex soft loops is proposed

and the simulation results show that the question of fast carrier acquisition and tracking is solved by this digital complex soft loops.

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Related Institution

Department of Electronic and Information Engineering, Huazhong University of Science and Technology

Radar Research Laboratory,School of Information and Electronic,Beijing Institute of Technology

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Department of Electronic Engineering,Beijing Institute of Technology

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