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The scintillations for weak atmospheric turbulence using a partially coherent source
Author(s) -
Baykal Y.,
Plonus M. A.,
Wang S. J.
Publication year - 1983
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs018i004p00551
Subject(s) - scintillation , physics , detector , turbulence , optics , transmitter , atmospheric turbulence , limit (mathematics) , interplanetary scintillation , aperture (computer memory) , computational physics , meteorology , mathematics , mathematical analysis , computer science , plasma , acoustics , quantum mechanics , solar wind , telecommunications , channel (broadcasting) , coronal mass ejection
The scintillation index for weak atmospheric turbulence is formulated for a partially coherent source (in space and time). We obtain results for two cases when the detector has a slow and a fast response time. Our solutions correctly reduce to the known scintillation index in the limit of coherent and incoherent sources. Transmitter aperture averaging and frequency averaging effects are shown as special cases of our results. The limitations of the source model used and the solution obtained for a fast detector are discussed.