电信和无线电工程
每年出版 12 期
ISSN 打印: 0040-2508
ISSN 在线: 1943-6009
SJR:
0.185
SNIP:
0.268
CiteScore™::
1.5
H-Index:
22
Indexed in
The Space-and-Time Structure of Microwave Signals Propagating Above the Sea within the Optical Visibility Range
卷 55,
册 2, 2001,
15 pages
DOI: 10.1615/TelecomRadEng.v55.i2.10
摘要
Some experimental and theoretical results are presented, concerning the space-and-time field structure of the radio waves at the wavelength 35 cm, 4 cm and 0.8 cm propagating above water surfaces. Measured height profiles of the field strength within layers up to 23 m (pathlength 8 km) or 92 m (pathlength 21 km) showed distortions in the field fringe pattern due to refraction in the near-water atmospheric layer. The effective refractivity gradient measured during summer and fall periods shows a distribution close to the normal law with the median value corresponding to an enhanced refraction.
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