窄相关技术在导航接收机中的应用  

Narrow correlator for the navigation receiver

作　　者：商钧[1] 仇跃华[1] 

机构地区：[1]中国空间技术研究院,北京100086

出　　处：《电子测量技术》2007年第10期166-171,共6页Electronic Measurement Technology

摘　　要：窄相关技术是研制各类导航系统接收机设备的一项关键技术,窄相关技术的优化设计可有效提高接收机测距精度,提高导航系统性能指标。本文介绍了导航接收机基本功能,重点阐述了接收机伪码跟踪环路的基本原理。本文简要介绍了窄相关技术的发展,研究了窄相关技术提高伪码跟踪精度的理论,并通过MATLAH仿真平台对窄相关技术在导航接收机中的应用进行了仿真分析。对窄相关技术的进一步深人研究具有重要的理论价值和实践价值。The narrow correlator technology is the key technology in the research of the navigation receiver, of which the optimized design can effectively improve the ranging accuracy as well as the performance index in navigation system. The fundamental function of the navigation receiver is presented. The basil principle of the delay lock loop of the receiver is investigated. In this paper, the historical development of the narrow correlator technology is introduced. The theory improving code tracking accuracy by the narrow correlator technology is studied, and the application simulation of narrow correlator technology in the navigation receivers is also done in Matlab simulation platform. The study of narrow correlator technology has theoretical value and practical value for further research.

关 键 词：导航接收机 窄相关 非相关延迟锁定环 MATLAH 

分 类 号：TN850[电子电信—信息与通信工程]