A study on the electric field distribution in an automobile bodyfor an antenna system mounted inside the body |
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Authors: | Tanaka M |
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Affiliation: | Dept. of Econ., Yokkaichi Univ., Mie; |
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Abstract: | The electric field distribution in an automobile body must be known when developing an antenna system mounted inside the car body for mobile communication. A microwave simulation experiment was carried out in an electromagnetic anechoic chamber using 4 GHz band signals and a miniaturized automobile. The automobile model used in this simulation experiment was about 1/15 of the size of the actual automobile under consideration. A simpler box-type model with large apertures was also studied. The internal electric field distribution measured in the box model was estimated to be a combination of the resonant TEPmn modes excited in the box. which acted as a resonant cavity. The spatial and frequency dependence of the internal automobile's electromagnetic field for each model is plotted for the frequency range 3-5 GHz |
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