Ratio of Gaussian PIM to two-carrier PIM

Boyhan J.W.

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Ratio of Gaussian PIM to two-carrier PIM

机译：高斯PIM与两载波PIM之比

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Passive intermodulation (PIM) products falling into a satellite's receiver can adversely affect its gain/system temperature (G/T). The PIM when all carriers are active and modulated, can be simulated by a flat power spectrum. The ratio of the resulting distortion to a two-carrier measurement is calculated in this work. For PIM not to degrade the satellite's G/T, it should be 20 dB or more below thermal noise over the expected thermal range, which can be achieved in most cases.

机译：落入卫星接收机的无源互调（PIM）产品可能会对其增益/系统温度（G / T）产生不利影响。当所有载波均处于活动状态并已进行调制时，可以通过平坦功率谱来模拟PIM。在这项工作中，计算得到的失真与两载波测量值的比率。为了使PIM不会降低卫星的G / T，在预期的热范围内，它应比热噪声低20 dB或更多，这在大多数情况下都可以实现。

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《IEEE Transactions on Aerospace and Electronic Systems》 |2000年第4期|p.1336-1342|共7页
作者
Boyhan J.W.;
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正文语种 eng
中图分类航空;
关键词
Gaussian distribution; intermodulation distortion; satellite links; thermal noise; Gaussian PDF; Gaussian passive intermodulation; Rayleigh PDF; antenna gain/system temperature; below thermal noise; distortion power; flat power spectrum; linear input power; narrowba;

机译：高斯分布;互调失真;卫星链路;热噪声;高斯PDF;高斯无源互调;瑞利PDF;天线增益/系统温度;低于热噪声;失真功率;平坦功率谱;线性输入功率;narrowba;

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Ratio of Gaussian PIM to two-carrier PIM

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