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- An electronic device that converts one frequency of a radio signal to another. 变频器将无线电讯号从一种频率转换成另一种频率的电子装置
- one frequency signalling 单频信号方式
- Telecommunication for converting a signal from one frequency to another. 把信号的一种频率转换为另一种频率的电讯装置。
- Stay on one frequency and keep on calling. 在一个频率上坚持地呼叫（换句话说就是不要轻易扫地?）
- The rings resonate at more than one frequency each. 这些环状物各自有不同的振动频率。
- All ALE personnel were on one frequency (1-E). 所有机场执法人员都在统一通话频率上(1-E)。
- Using digital signal processor(DSP), TMS320F240, which is special for motor control ,we develop one frequency conversion adjustable-speed system witch based on FOC principle. 本文依据矢量控制的原理，以电机控制专用的DSP芯片TMS320F240为核心，设计、开发了一套基于矢量控制的变频调速系统。
- Light that is of one frequency,with the waves in step is called coherent light. 单频率且波同步的光叫相干光。
- one frequency signal receiver 单频信号接收机
- The readout principle and test method of high frequency signal of CD are introduced. 介绍了CD光盘的高频(HF)信号的读取原理和测试方法。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- Laser-produced light is different from incoherent light. It is essentially of one frequency. 激光器产生的光与非相干光不同，它实质上只有一个频率。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低频信号发生器的输出只有几种固定的波形,不能更改。
- Light that is of one frequency, with the waves in step is called coherent light. 单频率且波同步的光叫相干光。
- High quality REC of video frequency signal and big area communion of video frequency resources are the important parts of Instruction Multimedia Resources. 其中,视频信号的高质量录制、视频资源的大范围共享,是多媒体教学资源建设的重要组成部分,成为教育界所关注的重点。
- The DFT phase detection method can take out frequency, phase and magnitude of the base frequency signal from a random synchronization signal. 离散傅里叶变换可以从任意信号中抽取基准频率倍频次信号的相位、频率和幅值,可以解决谐波对外同步信号的影响,从而实现周期控制锁相环对谐波的识别。
- It is during these hours when the transmitter was implanted, and when, I awoke I had a searing high frequency signal at about 100 db in my skull. 在这几小时的时间里，芯片在那时被植入，并且在那我醒过来的时候，在我的头骨里，有一种大约在100分贝的灼热的高频信号。
- This paper worked on TDE in the cases of only one frequency and coherent components in the source based on the correlation TDE method. 以相关法为例,分别研究了仅有一个频率成分时和含部分相干成分时同源信号的TDE。
- Can control audio frequency signals remotely，the volume can be modulated. 可对各路音频信号进行远程操控，音量可调；
- Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands. 高频雷达工作在电磁环境十分恶劣的短波段,为避开干扰严重的频段,采用一种准随机跳频信号。
