... 噪声系数;噪声指数：noise factor 噪声温度比：noise-temperature ratio 噪声特性试验：noise trial ...
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该系统主要完成两大类功能：测试低噪声器件的噪声温度和校准固态噪声源的超噪比。
The system provides two major functions including measuring noise temperature of low noise devices and calibrating the Excess noise Ratio (ENR) of solid-state noise sources.
本实用新型具有重量轻、介质增益损失小，介质热噪声温度低、输入电压驻波比小等特点。
The utility model has the characteristics of light weight, small dielectric gain loss, low dielectric thermal noise temperature, small input voltage standing wave ratio, etc.
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