| 卫星导航接收机载噪比估计方法研究 |
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| 引用本文： | 余凡.卫星导航接收机载噪比估计方法研究[J].无线电工程,2011,41(8):28-30. |
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| 作者姓名： | 余凡 |
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| 作者单位： | [1]河北省卫星导航技术与装备工程技术研究中心,河北石家庄050081;[2]西安电子科技大学,陕西西安710071 |
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| 摘 要： | 基于相干积分和非相干积分条件下的载噪比定义,详细论述了卫星导航接收机载噪比的理论计算方法,指出了在弱信号条件下可以通过增加非相干积分次数来提高信噪比。给出了直接估计法和宽窄带功率比值法2种不同的载噪比估计方法。在实际工程中比较了2种不同算法的估计误差,验证了对于弱信号宽窄带功率比值法具有更高的估计精度。
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| 关 键 词： | 卫星导航 载噪比估计 相干积分 宽窄带功率比值法 |
Research onSatellite Navigation Receiver C/No Estimation Method |
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| YU Fan.Research onSatellite Navigation Receiver C/No Estimation Method[J].Radio Engineering of China,2011,41(8):28-30. |
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| Authors: | YU Fan |
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| Affiliation: | YU Fan1,2(1.Hebei Satellite Navigation Technology and Equipment Engineering Technology Research Center,Shijiazhuang Hebei 050081,China,2.Xidian University,Xi'an Shaanxi 710071,China) |
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| Abstract: | Based on the C/No definition under coherent integration and non-coherent integration this paper discusses in detail on the theory algorithm of C/No for satellite navigation receiver, points out that increasing times of non-coherent integration is applied |
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| Keywords: | sate]J]te navigation C/No estimation coherent integration wide-narrow power ratio |
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