direct frequency modulation中文什么意思

直接调频

• direct:    adj. 1.笔直的，一直线的；正面 ...
• frequency modulation:    【电学】调频，频率调制；调频播送。
• direct frequency modulation system:    直接调频制

例句与用法

1. Aiming to achieve mini - type designment , and transmitting farther on the setting frequency band , direct frequency modulation is chosen after comparing the advantage of amplitude modulation with that of frequency modulation
   为了实现微小型化的设计,并且使系统在设定的传输频段上传输距离较远,在比较调幅与调频的优缺点后,我们选择了直接调频的调制方式。