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引用本文：

任然.TT＆C系统中测距误差的频率特性分析法[J].电讯技术，2005，45（5）：88 - 91. [点击复制]
.Use Frequency Character to Analyse Range Error of TT&C Systems[J].，2005，45（5）：88 - 91. [点击复制]

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TT＆C系统中测距误差的频率特性分析法

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摘要:

以往的文献中,多用群时延来分析TT＆C的测距误差,这种方法不够准确和全面.本文采用幅、相频率特性和相位波动特性来分析TT＆C信道中的测距误差.详细讨论了由于信道频率特性和相位波动特性变化产生的测距误差,给出了测距侧音相位的数学表达式.运用这些公式可以计算出这些因素对测距漂移误差的影响,提高测距精度.

关键词: TT＆C 测距误差频率特性相位波动特性分析法

DOI：10.3969/j.issn.1001-893X.

投稿时间：2005-07-26

基金项目:

Use Frequency Character to Analyse Range Error of TT&C Systems

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Abstract:

Many published papers analysed range error by using group delay,it is not accurate enough.This paper uses frequency character and phase fluctuating character to analyse range error of TT&C systems,and gives out formulas.Using these formulas,the factors that having influence on range error can be calculated and range accuracy can be improved.Above conclusion has been tested and applied in TT&C systems for years.

Key words: TT&C,Range error,Frequency character,Phase fluctuating character,Analysis