当放大器的输入功率增加到使放大器的增益降低且引起输出功率呈非线性增大时，便发生增益压缩。任何放大器的增益都是输入 信号电平的函数，尽管在某些点上输入电平足够高，但其增益仍要下降，因此，放大器通常有自 动增益控制，如接收机中的中放。这样在大信号输入时，增益 就自动压缩(降低)。目的是减小强信号输入时，放大器动态范 围不足而引起的非线性失真。
By measurement, the gain of the amplifier is 30.75±1.82dB and input and output VSWR is less than 2.124. Noise figure is less than 3.92dB and output 1dB gain compression point is better than 5.35dBm.
实测放大器的增益为30.75±1.82dB,输入输出驻波比小于2.124,噪声系数小于3.92dB,输出1dB增益压缩点大于5.35dBm。
参考来源 - 微波混合集成宽带低噪声放大器的设计·2,447,543篇论文数据，部分数据来源于NoteExpress
放大器的测试中，如何在矢量中利用内置的增益压缩软件完成这一测试。
In amplifier's test, how to use the built-in gain compression software in the vector network analyzer to complete this test.
当非线性增益压缩较小且SOA偏离环中点不大时，有效开关窗口宽度较小。
The effective switching window width will be small if the NGC and the distance between the SOA and the midpoint of the loop are small.
任何额外的能量增益由于较高的压力，中风的权力不能大于所需的能量压缩的空气摆在首位。
Any additional energy gain due to the higher pressure on the power stroke can't be greater than the energy required to compress the air in the first place.
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