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首页> 外文会议>Fifth International Conference on Electronic Measurement amp; Instruments (ICEMI'2001) Vol.1 Nov 18-21, 2001 Guilin, China >A Signal Through Hard-limiting satellite transponder with interference
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A Signal Through Hard-limiting satellite transponder with interference

机译：具有硬干扰的硬限制卫星转发器的信号

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摘要

A signal is transmitted through hard-limiting satellite transponder under an interference. The transponder consists of a hard limiting, a post-limiter filter and a non-linear power amplifier. The signal is corrupted by an interference that is phase-modulated and an additive narrowband Gaussian noise process at the input to the transponder. The joint probability density function of the composite envelope and phase of the signal plus interference and noise at the output of the limiter and power amplifier is calculated. The power of the periodic and non-periodic components is then found by averaging the lirniter output signal with respect to the composite envelope and phase. Curves for the small signal suppression effect and the change in signal-to-noise ratio as a function of post-limiter filter bandwidth are given.
机译：信号在受到干扰的情况下通过硬限制卫星转发器发送。应答器由硬限制，后限制滤波器和非线性功率放大器组成。信号被相位调制的干扰和应答器输入处的附加窄带高斯噪声过程所破坏。计算了复合包络和信号相位的联合概率密度函数，以及限幅器和功率放大器输出端的干扰和噪声。然后，通过相对于复合包络和相位平均the流器输出信号，可以找到周期性和非周期性分量的功率。给出了小信号抑制效果和信噪比随后限滤波器带宽变化的曲线。

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