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Gain degradation and amplitude scintillation due to tropospheric turbulence
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Hodge, D. B. Theobold, D. M. |
| Copyright Year | 1978 |
| Description | It is shown that a simple physical model is adequate for the prediction of the long term statistics of both the reduced signal levels and increased peak-to-peak fluctuations. The model is based on conventional atmospheric turbulence theory and incorporates both amplitude and angle of arrival fluctuations. This model predicts the average variance of signals observed under clear air conditions at low elevation angles on earth-space paths at 2, 7.3, 20 and 30 GHz. Design curves based on this model for gain degradation, realizable gain, amplitude fluctuation as a function of antenna aperture size, frequency, and either terrestrial path length or earth-space path elevation angle are presented. |
| File Size | 2310516 |
| Page Count | 68 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19780021725 |
| Archival Resource Key | ark:/13960/t22c3tc2q |
| Language | English |
| Publisher Date | 1978-02-01 |
| Access Restriction | Open |
| Subject Keyword | Geophysics Turbulence Wave Propagation Space Communication Scattering Amplitude Angles Geometry Tropospheric Scattering Microwaves Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
