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长途中继线 相关科技名词
- 终端站terminal station
- 载波电话终端机carrier telephone terminal
- 载波电话增音机carrier telephone repeater
- 有人增音机attended repeater
- 无人增音机unattended repeater
- 载供系统carrier supply system
- 自动电平调节系统automatic level regulating system
- 均衡系统equalizing system
- 远供系统remote power feeding system
- 业务通信系统service communication system
- 告警系统alarm system
- 音频终端装置audio frequency terminating set
- 振铃器signaling equipment
- 群调制器group modulator
- 群解调器group demodulator
- 群放大器group amplifier
- 线路放大器line amplifier
- 载频放大器carrier amplifier
- 导频放大器pilot amplifier
- 调节放大器regulating amplifier
- 发信放大器transmitting amplifier
- 收信放大器receiving amplifier
- 主振器master oscillator
- 振铃信号振荡器ringing signal oscillator
- 假线building-out network
- 仿真线artificial line
- 混合线圈hybrid coil
- 方向滤波器directional filter
- 线路滤波器line filter
- 串音抑制滤波器crosstalk suppression filter
- 引入架lead-in rack
- 试验架test rack
- 引入试验架lead-in test rack
- 杂音测试器psophometer
- 白噪声测试器white noise test set
- 电平表level meter
- 选频电平表selective level meter
- 通路固有杂音channel basic noise
- 忙时串杂音busy hour crosstalk and noise
- 线路杂音line noise
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