Banquet
发表于 2025-3-25 05:21:50
Funktionelle Bewegungslehre Ballübungenlogous aspects of radar and sonar are presented, together with some concepts, models and methodologies elaborated for an underwater transmission channel, suitable for application, after appropriate changes, to an electromagnetic channel.
创新
发表于 2025-3-25 10:14:22
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沉着
发表于 2025-3-25 15:39:55
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雄辩
发表于 2025-3-25 18:41:23
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怎样才咆哮
发表于 2025-3-25 23:16:59
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外科医生
发表于 2025-3-26 03:26:53
Atmospheric Effects: Some Theoretical Relations and Sample Measurementsteractions—those involving refractive effects of clear air—and, more particularly, the statistical effects of turbulent scattering. Other interactions will be mentioned only briefly, leaving detailed treatment to other papers to follow.
蔑视
发表于 2025-3-26 07:54:34
Measurements of Wave-Front Distortionh and by the average signal speed along each path. The latter factor is determined by atmospheric conditions along the particular path. In the atmosphere, these conditions vary randomly in both space and time and, as a result, the differential delay measurements are subject to corresponding variability and consequent uncertainty.
有恶臭
发表于 2025-3-26 12:23:39
Propagation Effects Due to Specific Atmospheric Structuresnd amplitude of the field strength of the. travelling wave corresponding to the boundaries are treated. Experimental data evaluated with respect to various weather situations are presented and interpreted as reflection processes at atmospheric boundaries. The implication for radar systems is considered.
nuclear-tests
发表于 2025-3-26 14:29:47
Book 1976ision of NATO. The domain of this panel - and consequently the topics of their former ASI-~rogrammes - is the influ ence of the non-ionized atmosphere on electromagnetic wave propagation, its prediction and its use as a re mote sensing technique. It is the final goal to inform radio and radar engi
宪法没有
发表于 2025-3-26 20:12:46
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