| This paper is based onMulti-vehicular communication systems in different environments.Some representative environmental effects in radio wave propagation and electromagneticcompatibility between shortwave antennas and ultra-shortwave antennas are analyzed and thesoftware of calculating the effect of environment in radio wave propagation is carried out.First, the theory of radio wave propagation are analyzed and the models of radio wavepropagation in free space are carried out. Following, Some representative environmentaleffects such as ionized layer, plain, knap, mountain, jungle and so on in radio wavepropagation are analyzed. Based on the above effects, the mathematical models of radio wavepropagation of multi-vehicular communication systems in different environments areestablished and the formulas of calculating environmental effects and electromagnetic fieldare carried out. Later, the electromagnetic compatibility between shortwave antennas andultra-shortwave antennas in multi-vehicular communication systems are analyzed and theformulas of calculating antennas’ coupling are carried out. At last, The software of analyzingthe electromagnetic compatibility between antennas on Multi-vehicular communicationssystems is created and some Multi-vehicular communications systems models are built andthe electromagnetic compatibility between vehicular are calculated. |
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