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首页> 外文期刊>Electrical Engineers - Part IIIA: Radiocommunication, Journal of the Institution of >The development of the Wireless Set No. 10: an early application of pulse-length modulation
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The development of the Wireless Set No. 10: an early application of pulse-length modulation

机译：无线装置10的发展：脉冲长度调制的早期应用

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摘要

The experimental development of the system is described briefly, being a historical record of the design of an interlaced pulse-length modulated, multi-channel telephone circuit, and its application to a centimetre-wave radio link. The multiplexing equipment, radio sender and receiver, and the complete station, are described. A more detailed account of the electrical and mechanical difficulties encountered in the production is given and, where relevant, a technical description of the various units is included. Where a variety of possible solutions to lesser known techniques were considered, reasons are given for the final decision. The radio-frequency technique was developed concurrently with the engineering of the equipment and, where applicable to the particular problem, is described in detail. A brief description of the complete station includes overall electrical characteristics, its limitations and the method of testing to ensure a uniformity of performance. A general description of the equipment in its final form has been given elsewhere.1
机译：简要描述了该系统的实验开发，它是隔行脉冲长度调制多通道电话电路设计及其在厘米波无线电链路中应用的历史记录。描述了多路复用设备，无线电发送器和接收器以及整个站。给出了生产中遇到的电气和机械困难的更详细说明，并在适当时提供了各种装置的技术说明。考虑了针对鲜为人知的技术的各种可能解决方案时，给出了最终决策的原因。射频技术是与设备工程同时开发的，并且在适用于特定问题的地方进行了详细说明。整个工作站的简要说明包括总体电气特性，其局限性和确保性能均匀性的测试方法。最终形式的设备的一般说明已在其他地方给出1。

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