Phase fluctuations of cross-polarized signals at 4 GHz in fine weather on earth-space paths |
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Authors: | Osamu Furuta Matsuichi Yamada |
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Affiliation: | 1. Research and Development Laboratories, Kokusai Denshin Denwa Co., Ltd., 2-1-23 Nakameguro, Meguro-ku, 153, Tokyo, Japan
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Abstract: | On an earthspace propagation path with the low elevation angle of 10 deg, the phase between co- and crosspolar signals occasionally showed rapid and irregular fluctuations during fine weather. These fluctuations were generally significant during the daytime, and were strongly in phase with the occurrence of the copolar amplitude scintillations. This could be attributed to the combined effects of the crosspolar phase pattern of the receiving antenna and small fluctuations of the angle of arrival of the radiowaves. |
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