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长途中继线 相关科技名词
- 制际串音inter-system crosstalk
- 路际串音inter-channel crosstalk
- 通路频率特性channel frequency characteristic
- 通路振幅特性channel amplitude characteristic
- 通路串杂音防卫度channel signal to crosstalk and noise ratio
- 通路振鸣边际channel singing margin
- 脉码调制终端机PCM terminal
- 数字复接设备digital multiplex equipment
- 误码测试仪code error tester
- 相位抖动测量仪phase jitter tester
- 码型发生器pattern generator
- 抽样sample
- 量化quantizing
- 判决值decision value
- 压扩律companding law
- 一次群primary group
- 二次群secondary group
- 码速调整code rate justification
- 再生中继regeneration and repetition
- 定时抖动timing jitter
- 地区电话网local telephone network
- 铁路地区电话railway local telephone
- 单局制single-office system
- 多局制multi-office system
- 分电话所branch telephone office
- 中心电话所central telephone office
- 汇接电话所tandem telephone office
- 支电话所minor telephone office
- 人工电话所manual telephone office
- 地区电话交换机local telephone switching system
- 磁石电话交换机magneto telephone switch board
- 共电电话交换机common battery telephone switch board
- 步进制电话交换机step-by-step telephone switching system
- 纵横制电话交换机crossbar telephone switching sys-tem
- 电子电话交换机electronic telephone switching sys-tem
- 程控电话交换机stored program controlled tele-phone switching system
- 记发器register
- 发码器code sender
- 译码器decoder
- 标志器marker
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