frequency beat频率差拍
frequencyn.频繁;频率
frequency shift keying FSK(用)数字调频; 移频键控
frequency domain equilizer[计] 频域均衡器
frequency-tripled effect三倍频效应
Frequency Selected Surface选择频率的表面
frequency spectrum analyze频谱分析
frequency division command频分指令
frequency-hopping system跳频系统
frequency shift telegraphy移频电报
frequency conversion range变频范围
frequency dynamic tracking频率动态跟踪