在低噪声放大器噪声线性的基础上，介绍了负载温度可变法，用于测量低温低噪声放大器的噪声。
On the basis of the noise linearity of low noise amplifier(LNA), the variable load temperature method is introduced to measure noise properties of cryogenic LNAs.
在低噪声放大器噪声线性的基础上，介绍了负载温度可变法，用于测量低温低噪声放大器的噪声。
On the basis of the noise linearity of low noise amplifier(LNA), the variable load temperature method is introduced to measure noise properties of cryogenic LNAs.
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