400 Mcps长距离对流层电路的特性

Proceedings of the IRE Pub Date : 1962-12-01 DOI:10.1109/JRPROC.1962.288264

J. Chisholm, W. Morrow, B. Nichols, J. Roche, A. E. Teachman

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引用次数: 26

摘要

测量了400 Mcps的超视界传播损耗。给出了在地平线以外98至830英里范围内的损失及其变化的数据。各向同性天线之间的传输损耗约为100mi时的190db ~ 800mi时的300db。还描述了频率选择性衰落、空间分集和信号到达角变化的测量。

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Properties of 400 Mcps Long-Distance Tropospheric Circuits

Measurements are reported on beyond-the-horizon propagation losses at 400 Mcps. Data are given on the losses and their variations from 98 to 830 mi beyond the horizon. The transmission loss between isotropic antennas varies from about 190 db at 100 mi to about 300 db at 800 mi distance. Also described are measurements of frequency-selective fading, space diversity, and variations in the angle of arrival of the signals.

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Proceedings of the IRE

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