Warning: file_put_contents(): Only 0 of 5176 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 if bandpass filter是什么意思，if bandpass filter的翻译，if bandpass filter音标、读音、用法和例句_食材鋪反向词典
The IF and its associated sidebands are up-converted to the microwave region by the mixer, microwave oscillator, and bandpass filter. 中頻載波和它的邊帶由混頻器，微波振蕩器，帶通濾 波器上變頻到微波範圍。