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- The paper analyzed spectrum characteristic of Automatic Block signal, proposed a arithmetic of computing ZPW2000A FSK-signal and realized frequency demodulation. 分析了自动闭塞信号的频谱特性，提出了ZPW2000A移频信号的还原算法，实现了对该移频信号的解频。
- pilot frequency demodulation circuit 导频解调电路
- intermediate frequency demodulation 中频解调
- multiplicative intermediate frequency demodulation 乘积式中频解调
- Frequency Demodulation Based on Asymmetrical Filtering 基于非对称滤波的解调频法的原理研究
- The Research of the Experiment of the PLL- FM and Frequency Demodulation 锁相调频与鉴频实验的研究
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Low frequency demodulated technique 低频解调技术
- phase-locked loop frequency demodulator 锁相环鉴频器
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- frequency demodulation 鉴频,频率解调
- high frequency demodulation 高频解调
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- frequency demodulation analysis 调频信号
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Keywords Digital receiver, Software radio（SR）, Digital automatic gain control（DAGC）, Wideband digital downconversion（WDDC）, Digital frequency demodulation, Digital phase-locked loop（DPLL）; 数字接收机;软件无线电;数字式自动增益控制;宽带数字下变频;数字鉴频;数字锁相环;
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
