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IPSTAR卫星在高斯信道中传输数据应用与性能分析

Sheng Jing,Jin Han,Cheng Song

Seismological and Geomagnetic Observation and Research（2013）

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Abstract
IPSTAR系统由IPSTAR号卫星、地面业务关口站和小口径天线地面终端组成.本文通过建立调制方式模型和高斯信道模型,分析卫星信号信噪比及传输性能,对比信噪比不同的星座图,分析卫星通信系统使用QPSK调制方式调制、传输地震数据对信号的影响,为使用卫星通信系统传输地震数据提供理论依据.
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Key words
seismic data,IPSTAR satellite system,QPSK,Gaussian channel
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