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GPS信号与特性分析的研究

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GPS作为一种广泛应用的卫星导航系统,其导航系统的高精度、广覆盖和全天候可用性受到人们的普遍认可.然而,地面GPS接收机是相对脆弱的,容易受到各种环境因素影响,可能会对GPS接收机造成干扰,使其难以或无法正常工作.本文通过对GPS信号的基本原理、调制方式进行了研究,分析了信号特征和C/A码的生成方式,为下一步GPS信号的干扰与抗干扰提供理论和现实意义.
Research on GPS Signal and Characterization Analysis
As a widely used satellite navigation system,GPS is widely recognized for its high precision,wide coverage and all-weather availability.However,ground GPS receivers are relatively fragile and susceptible to various environmental factors which may cause interference to the GPS receiver,making it difficult or impossible to work properly.This paper studies the basic principle and modulation mode of GPS signal,analyzes the signal characteristics and C/A code generation mode,and provides theoretical and realistic significance for the interference and anti-jamming of GPS signal in the next step.

global positioning system(GPS)principlesignalmodulation modecharacteristic analysis

秦自兵、钟雄、张伟、张政

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国家无线电监测中心检测中心,北京 100041

长沙市无线电监测站,湖南 长沙 410000

全球卫星定位系统(GPS)原理 信号 调制方式 特性分析

2024

数字通信世界
电子工业出版社

数字通信世界

影响因子:0.162
ISSN:1672-7274
年,卷(期):2024.(6)
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