• High dynamic environment may cause a large Doppler shift, thus the general GPS receiver is difficult to work reliably without outside assistance.

    动态环境造成较大多普勒频移,这使得一般GPS接收机没有外界辅助的情况下难以可靠工作

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  • The channel of LEO satellite is different from wireless channels on the ground. Low SNR and large Doppler shift are the two characteristic of LEO satellite channel.

    低轨卫星信道地面无线信道具有不同特点信噪比大多频移低轨卫星信道的两个显著特征。

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  • According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.

    针对P码多普勒周期长的特点,本文探讨缩短载频搜索范围方法

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  • According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.

    针对P码多普勒周期长的特点,本文探讨缩短载频搜索范围方法

    youdao

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