“下变频解调”的概念、定义、翻译、参考文献-科学参考

单词	下变频解调
释义	下变频解调 Encyclopedia 工学无线光通信释 down-conversion demodulation下变频解调将高频信号解调到频率较低的频段上并输出。在光载无线通信系统中，射频接收机位于系统的最前端，将天线从空间耦合下来的信号进行放大和下变频，然后再对低频信号进行解调。
随便看	aero-engine load aero-engine load spectrum aero-engine lubricating system test aero-engine maintainability aero-engine maintenance aero-engine maintenance supportability aero-engine measurement and test aero-engine mechanical system aero-engine mixer aero-engine mountsystem aero-enginemultivariable control aero-engine nacelle aero-engine noise reduction aero-engine noise test aero-engine numerical simulation aero-engine oil flow interruption test aero-engine oil system aero-engine operating envelope aero-engine overall efficiency aero-engine overhaul aero-engine overspeed test aero-engine overtemperature test aero-engine power aero-engine primary combustor test aero-engine propulsive efficiency

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