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- 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；
- High-speed in-amps may be used in many video and cable RF systems to amplify or process high frequency signals. 高速仪表放大器可以用于许多视频和闭路射频系统的放大或者处理高频信号。
- Maritime and aviation navigation systems use low frequency signals to locate vessels or aircraft. 航海和航空界的导航系统使用低频率讯号来测量船只或飞机的位置。
- Note: Fast gating of sustained low frequency signals can result in “chattering. 注意：对相同的低频信号，设置噪声门过快会导致“喘息声”。
- Highly accurate detection of feeble and low frequency signals become realizable with the PWM sensing technique. 采用PWM检测技术，使微弱、低频信号的高精度检测成为现实。
- Dynamic characteristics of the portal frame are also identified from the WPT of low frequency signals. 低频的部分则可以进行门形构架的系统识别。
- Results showed that the spectra in frequency domain could be divided into two parts: high frequency and low frequency signals. 结果表明，测量光谱在频域中的信号可被分为两部分：即低频信号和高频信号。
- Scope of application: The product is fit for the transmission of radio frequency signals in radio equipment or in electronic equipment adopting similar technologies. 产品用途:产品适用于煤矿井下无线电通讯设备和采用类似技术的电子装置的有关无线电子设备中传输射频信号。
- Cable modems translate Ethernet packets into radio frequency signals that are mapped into an unused 6-MHz television channel slot and broadcast to all the homes by the HFC node. Cable modem把以太网包转换成射频信号，该信号被映射到一个未用的6MHz电视信道隙由HFC节点广播到所有家庭。
- 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。
- 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。
- 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。
- An Efficient Method on Multi - Frequency Signal Detection with DSP 用DSP实现检测多频信号的高效方法
- 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。
- multi frequency signaling system 多频信令系统
- 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。
- 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。
- Can be output voltage, current, millivolt, frequency signal output of 24V DC power distribution circuit to provide power for the transmitter. 可输出电压、电流、毫伏、频率等信号24V DC配电输出为变送器提供回路电源。
- The high frequency signal can be decomposed, and the frequency field can be divided into tinier ones with the emerging of wavelet packets. 摘要小波包的方法能对高频信号进行小波分解，给出了频域带更精细的划分。
