voice-frequency carrier telegraph equipment

voice-frequency carrier telegraph terminal

音频载波电报终端机

voice carrier telegraph testing equipment

音频载波电报测试仪

voice-frequency carrier teletype

音频载波电传打字机

adjacent audio carrier

邻(频)道伴音载波

Transmission requirements of frequency-modulated voice-frequency telegraph for a modulation rate of 50 bauds

GB/T4828-198450波特调频音频电报传输要求

The video signal is directed to the CRT through a sound trap which eliminates the sound-carrier frequency.

视频信号通过声音陷波电路，消除声音载波频率，直达CRT。

high -frequency channel

高频电路, 载波电话通路

set of voice-frequency multiplex telegraph circuits

音频复用电报电路群

Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz

GB/T5581-198575波特/180Hz调频音频电报机技术要求和测试方法

frequency modulation noise level on carrier

载波的调频噪声电平

speech plus duplex FMFV telegraph equipment

语音加双工调频音频电报设备

radio-frequency carrier

射频载波, 高频载波

filter ,carrier-current, for line telegraphic or telephonic systems

载波滤波器,有线电报或电话系统用

The Designs of a Power Line SSC Data Communication System;

电力线扩频载波数据通信系统的设计

Study on Communication Module of Video Monitoring System on Power Line

电力载波视频监控系统通信模块研究

Specifications of voice frequency telegraphic interface

GB/T15280-1994电报音频接口技术要求

In the evening this station change frequency and broadcast on another band

该电台晚上改变频率, 在另一波段播音

In the evening this station changes frequency and broadcasts on another band.

该电台晚上改变频率, 在另一波段播音.