数控调频发射台可预制11个频道，最小调频0.1HZ,可单声道立体声控制，可广泛用于无线广播，电视无线导播等。-NC FM transmitters can be prefabricated 11 channels, the smallest FM 0.1HZ. Single-channel stereo sound can control, which can be widely used in radio and television broadcasting and other wirele

　　收音机的原理是把从天线接受到的高频信号，经检波还原成音频信号，送到扬声器变成音波把接收到的电台高频信号，用一个变频级电路将它转化为频率固定的中频信号，然后再对这个中频信号进行多级放大，再检波，低放。由于不同频率的无线电波用途较广、接受的-The principle is the radio frequency signal received from the antenna, the reduction by the detector into an audio signal to the

Delphi:Delphi检测声卡驱动是否安装，这里直接引用动态连接库中的函数winmm.dll，来判断声卡是否安装，运行EXE后，即可检测出是否安装声卡，并选中对应的检测结果单选框。Delphi检测声卡是否安装源码简单，新手也能看懂。 -Delphi: Delphi detect the sound card driver is installed, where a direct reference to the dynamic link library function winmm.dl

CF一键修改人物连杀 无限电 指挥音效 男女转换 英雄人物声音动作效果-CF a key to modify the task of sound radio and even kill the sound effect