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- pilot frequency carrier wave 导频载波
- high frequency carrier wave channel 高频载波通道
- Design and implement of the host computer software in power-line high frequency carrier wave channels test device 电力线高频载波通道测试装置上位机软件设计与实现
- VFT? Voice Frequency carrier telegraph Terminal? 音频载波电报终端?
- high frequency carrier wave 高频载波
- In communications, the frequency range of the information bearing signals prior to combination with carrier wave by modulation. 在通信技术中,未经调制使之和载波结合之前,携带信息的信号所占有的频率范围。
- To extract(information) from a modulated carrier wave. 解调(信号等)从调制过的载波中分离出(信息)
- The carrier wave has got out of phase with the signal wave. 载波同信号波是异相的。
- As each spacecraft orbits the Earth it emits a carrier wave. 每一个航天器绕地球轨道运转的时候,它会发射一种载波。
- These narrowband services, which avoid interfering with one another by staying within the confines of their allocated frequency bands, use what is called a carrier wave. 这些窄频服务使用所谓的载波,而且会保持在分配到的频带范围内,以避免彼此干扰。
- The remaining factor in(7, 8.3)is the carrier wave and its phase velocity is c. (7; 8.;3)中剩下来的一个因子就是载波,其相速度是c。
- The power of the modulated carrier wave is increased by the RF power amplifier. 射频功率放大器增加了调变载波的功率。
- These high frequency carrier signals can be transmitted over the air easily and are capable of traveling long distances. 这些高频载波信号的传输距离可以超过空气容易,并有能力行长途跋涉。
- In an AM transmission the carrier wave is constant in frequency and varies in amplitude (strength) according to the sounds present at the microphone; in FM the carrier is constant in amplitude and varies in frequency. 在调幅的传播中,其负载电波频率是恒定的,但波幅(力度)随着麦克风声音变化而变化;在调频的传播中,其负载电波波幅是恒定的,而频率随着麦克风声音的变化而变化。
- But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio. 可是,对于载波频率不断变化的CW脉冲信号,普通的滤波器难以实现窄带跟踪滤波,而宽带滤波又不能达到提高信噪比的要求。
- The process of retrieving intelligence(data) from a modulated carrier wave; the reverse of modulation. 从调制过的载波信号中检出信息(数据)的过程,是调制的逆过程。
- pilot frequency demodulation circuit 导频解调电路
- honeycomb pilot frequency distribution 梳状导频分布
- The process of retrieving intelligence ( data ) from a modulated carrier wave ; the reverse of modulation. 从调制过的载波信号中检出信息(数据)的过程,是调制的逆过程。
- pilot frequency allocation module 导频分配模块