Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/ba9a6f2f9a787b87c0f3573423b379b8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 phase modulation英英字典_phase modulation剑桥英语解释_phase modulation柯林斯英文解释_按摩法牛津词典
1. N a type of modulation, used in communication systems, in which the phase of a radio carrier wave is varied by an amount proportional to the instantaneous amplitude of the modulating signal 相位调制