A SEQUENCY DIVISION MULTIPLEX SYSTEM
International Telemetering Conference Proceedings / October 13-15, 1981 / Bahia Hotel, San Diego, California === A sequency division multiplex (SDM) system using Walsh subcarriers was developed for the transmission of telemetry signals at our laboratory The basis of mathematics which can form a te...
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| Language: | en_US |
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International Foundation for Telemetering
1981
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| Online Access: | http://hdl.handle.net/10150/615434 http://arizona.openrepository.com/arizona/handle/10150/615434 |
| Summary: | International Telemetering Conference Proceedings / October 13-15, 1981 / Bahia Hotel, San Diego, California === A sequency division multiplex (SDM) system using Walsh subcarriers was developed for
the transmission of telemetry signals at our laboratory The basis of mathematics which can
form a telemetry system is orthogonal function. It is the Walsh function that may form a
new telemetry system.
At the first stage a baseband transmission system has been designed and tested. It shows
that the results of experiments are quite good, and the new system works well. At a second
stage FM is used as carrier transmission. Now the whole system can work property.
A proper choice of the subcarriers minimizes the crosstalk. Principles for the selection of
Walsh subcarriers are deduced. It seems that the SDM system has great potentialies. |
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