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Titlebook: Effects of Ionospheric Scattering on Very-Long-Distance Radio Communication; H. A. Whale Book 1969 Springer Science+Business Media New Yor

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樓主: 氣泡
31#
發(fā)表于 2025-3-27 00:14:05 | 只看該作者
Prescription Analysis and Mining,hop, for example) by-taking measurements on the incoming wave. As an example of the complications which occur in practice on even such a simple communications path we will consider the results of measurements taken at Auckland on transmissions from Brisbane, a distance of 2,250 kilometres. These mea
32#
發(fā)表于 2025-3-27 02:11:28 | 只看該作者
33#
發(fā)表于 2025-3-27 09:19:31 | 只看該作者
34#
發(fā)表于 2025-3-27 12:47:01 | 只看該作者
35#
發(fā)表于 2025-3-27 15:57:11 | 只看該作者
Nonlinear variational inverse problems,m the long term mean bearing which, in the absence of systematic lateral tilts of the ionosphere, is along the great circle path. The problem to be considered is whether the effects of a large number of small random deviations can build up over a long path to give incoming directions which are signi
36#
發(fā)表于 2025-3-27 20:05:23 | 只看該作者
37#
發(fā)表于 2025-3-28 00:07:04 | 只看該作者
Nancy L. Baker,Rolf H. Langland0 to 2100 GMT. Nevertheless, it is possible that some limits to this variation could be indicated by an investigation of the average behaviour over a long period. Such a series of results is presented in figs. 10.1, 10.2, 10.3 and 10.4. These figures show the relative number of times in particular b
38#
發(fā)表于 2025-3-28 03:53:35 | 只看該作者
James A. Cummings,Ole Martin Smedstadn briefly a phenomenon which appears to be quite common in those cases of near-antipodal propagation with which we are concerned here. In very many instances, it has been noticed that the received bearing changes by a large angle in a very short time. Changes of 30 in 2–3 minutes are not uncommon. S
39#
發(fā)表于 2025-3-28 09:03:18 | 只看該作者
40#
發(fā)表于 2025-3-28 13:57:22 | 只看該作者
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