telephone relay

The discus-sion of the effect on multiplex telephone communication by noise of FM satellite communication sys-tem and microwave relay communication system is also included.

专门讨论了调频制卫星通信和微波中继通信系统中的噪声对多路电话通信的影响。

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Bhutan has a manually operated system in the eastern Luana lake area, with two staff members equipped with a wireless set and a satellite telephone to relay messages.

不丹在东Luana湖地区拥有一套人工操作系统，由两名配备无线电设备和卫星电话的职员来传递消息。

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Telegraphic instrument that was used for much of the 20th century to transmit and receive printed messages and data via telephone cables or radio relay systems.

通过无线电中断系统传送和接收打印信息和资料的各种电报器械。

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Devices such as the telegraph and telephone relay messages by creating modulated electrical impulses, or impulses that change in a systematic way.

电报机与电话机等设备，通过产生调制电脉冲或以系统化方式变化的脉冲，来传递信息。

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CELP coders, due to its high quality of reconstructed speech and robustness against channel noise, have many applications in mobile communication, encrypted telephone and voice relay service etc.

CELP以其高质量的合成语音及优良的抗噪声和多次转接性能，在移动通信，保密电话和语音中继等中低速率上获得了广泛应用。

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Cellular radio and telephone Research on Relay Cooperation Schemes in Wireless Cellular Communication

蜂窝式无线电话系统无线蜂窝通信中的中继协作机制研究

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Specifications for 960 telephone channel demodulation equipment used in long-haul terrestrial analog radio relay systems

GB/T9407-1988长距离地面模拟微波接力系统960路电话解调机技术要求

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