互调干扰是信号经过非线性设备的产物。当多个不同频率的信号同时加入非线性器件上时,经过非线性变换,会产生许多新的频率分量(输入频率的一些线性组合),称为互调产物。
...上的射频旌旗灯号通过非线性特性的器件传输时,合成旌旗灯号中会产生互调产物(intermodulation product,imp)。当这些个互调产物落人邻近事情的接收机通带内时,就会形成寄生滋扰。在舰载通讯链.
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讨论了互调产物的一般行为特性。
The general nature of intermodulation products is discussed.
假设传递函数为无记忆瞬时传递函数,并将它分解为奇次项和偶次项,以便计算各阶互调产物的具体形式。
A general instantaneous transfer function for a nonlinear device is assumed and it is decomposed into odd and even terms in order to calculate the concrete forms of intermodulation products.
无杂散动态范围被定义为用dB表示的,接收机噪声和两个相等杂散信号的电平的差,这两个杂散信号的互调产物与接收机噪声相等。
It is defined as the difference in dB between receiver noise and the level of two equal spurious signals whose intermodulation products are equal to the receiver noise.
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