Modern communication systems
作者:
F.Lüschen,
期刊:
Journal of the Institution of Electrical Engineers
(IET Available online 1932)
卷期:
Volume 71,
issue 431
页码: 776-798
年代: 1932
DOI:10.1049/jiee-1.1932.0157
出版商: IEE
数据来源: IET
摘要:
In the first part of the paper the principles underlying modern communication engineering are discussed. The second part of the paper deals with some characteristic examples of the multiple utilization of transmission systems, such as 2-band systems and simultaneous telephony and telegraphy using short waves.
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