Performance of XFAST in the presence of code Doppler

Performance of XFAST in the presence of code Doppler

The probability of detection and false alarm in XFAST（extended replica folding acquisition search technique） were introduced in the condition of code Doppler and deterioration of noise caused by replica folding.The simulation re-sults show that the model is correct,the equal signal to noise error is...

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Bibliographic Details
Main Authors: TANG Xiao-mei, YONG Shao-wei, WANG Fei-xue
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2010-01-01
Series:Tongxin xuebao
Subjects:
satellite navigation
XFAST
acquisition of aperiodic code
IF integration
spread spectrum
code Doppler
cross-correlation
Online Access:http://www.joconline.com.cn/zh/article/74645834/
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Summary:The probability of detection and false alarm in XFAST（extended replica folding acquisition search technique） were introduced in the condition of code Doppler and deterioration of noise caused by replica folding.The simulation re-sults show that the model is correct,the equal signal to noise error is less than 0.5dB.The research is the academic base of XFAST parameter optimization and performance.When the extended replica folding number equal to 1,the model can be used to analyse other acquisition algorithm.
ISSN:1000-436X

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