Problems of Long-Distance Telephony at the Turn of the 19th and 20th Centuries and the Search for Their Solutions

Viktor Pestrikov
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引用次数: 2

Abstract

At the turn of the 19th and 20th centuries, long-distance telephone communication turned into a serious business, however, the cost of lines was high, and the practical commercial range of telephone signal transmission did not exceed 1600 km. As the lengths of long-distance telephone lines increased, two problems arose that were rec-ognized as particularly relevant, in particular, crosstalk and signal attenuation. AT&T researchers were engaged in solving these problems. This article examines the work of scientists and engineers who have led to real practical solutions to problems of long-distance telephone communication, in particular, Oliver Heaviside, John Stone and George Campbell.
19、20世纪之交的长途电话问题及其解决方案的探索
在19世纪和20世纪之交,长途电话通信变成了一项严肃的业务,然而,线路成本很高,电话信号传输的实际商业范围不超过1600公里。随着长途电话线长度的增加,出现了两个被认为特别相关的问题,即串扰和信号衰减。AT&T的研究人员致力于解决这些问题。本文考察了科学家和工程师的工作,他们为长途电话通信问题提供了真正实用的解决方案,特别是奥利弗·赫维赛德、约翰·斯通和乔治·坎贝尔。
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