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TiltTempCovScale
[TauX,TauY,tvar] = TiltTempCovScale(lambda,D,G,Atm,[DispCov])
Computes the temporal covariance scale lengths for modeling Kolmogorov tilt fluctuations as a Markov random process in time. Returns temporal scale lengths and tilt variance quantities for modeling tilt temporal covariance as: $C_{X}(t,0) = tvar*exp(-t/TauX)$ and $C_{Y}(t,0) = tvar*exp(-a/TauY)$
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Parameters |
Description |
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lambda [scalar] |
Wavelength for propagation (m) |
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D [scalar] |
Diameter of receive/transmit aperture (m) |
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G [struct] |
Geometry structure from GeomStruct |
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Atm [struct] |
Atmospheric modeling structure from AtmStruct |
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DispCov [scalar] |
(Optional) Flag (1/0) for covariance and fit plot |
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Return Values |
Description |
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TauX [scalar] |
Temporal covariance scale for X-tilt (sec) |
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TauY [scalar] |
Temporal covariance scale for Y-tilt (rad) |
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tvar [scalar] |
Variance of tilt fluctuations (rad^2) |
>> [TauX,TauY,tvar] = TiltTempCovScale(1e-6,1.0,GeomStruct,AtmStruct)
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Copyright (c) 2009. All rights reserved.
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Description