The phase noise is not only the main specification for the signal generators of the radar, communication and ECCM, but also the main basis to measure the spectrum purity of the frequency synthesizer.是什么意思_The phase noise is not only the main specification for the signal generators of the radar, communication and ECCM, but also the main basis to measure the spectrum purity of the frequency synthesizer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句