Calculation of modulation disturbance, caused by homogeneous turbulences in the atmosphere

C.G.M. Van 't Klooster

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

The phase disturbance caused by homogeneous turbulence is derived for a monochromatic linearly polarised electro - magnetic wave in a medium. The index of refraction is described as n = 1 + δn(x,y,z,t). Assuming homogeneous turbulence, the path is determined using the variation procedure based on Euler-Lagrange, with which the propagation path is derived using Fermat's Principle. The average of the time-derivative of the phase can be derived, when the path and so the phase integral is determined. The average of the second derivative of the phase gives an interesting impression for the phase disturbance. For systems exploiting frequency modulation, a signal is demodulated by differentiation of the instantaneous phase angle as f(time). A variance of the instantaneous phase has been derived using the above mentioned process.

Original languageEnglish
Title of host publication2007 17th International Crimean Conference - Microwave and Telecommunication Technology, CRIMICO
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages843-844
Number of pages2
ISBN (Print)978-966-335-012-7
DOIs
Publication statusPublished - 1 Dec 2007
Externally publishedYes
Event2007 17th International Crimean Conference - Microwave and Telecommunication Technology, CRIMICO - Sevastopol, Ukraine
Duration: 10 Sep 200714 Sep 2007

Conference

Conference2007 17th International Crimean Conference - Microwave and Telecommunication Technology, CRIMICO
Country/TerritoryUkraine
CitySevastopol
Period10/09/0714/09/07

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