Survey Report on the Actual Electromagnetic Environment for Automobiles in Japan 930949

The intent of this paper is to present the actual electromagnetic environment on public roads in Japan. Field strengths in the frequency range from 10kHz to 1000MHz were measured using the measurement equipment composed of a field strength meter and a spectrum analyzer for three years from 1988 to 1990. About 170 transmission stations and about 20 facilities were measured, and traveling distance over which the field strengths were measured was about 5,000km. After a great many investigations, the electromagnetic environment on public roads was able to be understood quantitatively.


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