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LEEDRAtm
ModelData = LEEDRAtm(G,NScreens,[lambda])
Generates an Atm structure using all LEEDR data. LEEDR data must be loaded and available in application data - see loadLEEDRAtmos.
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Parameters |
Description |
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Geom [struct/list] |
Geometry parameters. Can be a structure from GeomStruct or a comma separated list of (hp,ht,rd,...) |
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hp [scalar] |
Platform altitude (m AGL) |
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ht [scalar] |
Target altitude (m AGL) |
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rd [scalar] |
Downrange along spherical earth surface (m) |
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NScreens [scalar] |
(Optional) Number of equal thickness phase screens. Screens are spaced symmetrically about the midpoint of the propagation path. For a continuous model use NScreens=Inf |
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x [vector] |
(Optional) Path-normalized screen location in range 0<=x<1. Passing x=1 or x=[1] will result in a single phase screen placed at the midpoint of the propagation path. For single screen at the target, use x=[0.9999] |
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dx [vector] |
(Optional) Path-normalized screen thickness. Must be the same size as x if passed. |
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lambda [scalar] |
(Optional) Desired wavelength for computation of absorption, scattering, and extinction (m). If this wavelength does not match the wavelength in the precomputed data, LEEDR will be re-run. If not input, will use the first wavelength in the LEEDR data. |
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Return Values |
Description |
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Atm [struct] |
Structure containing atmospheric screen parameters |
>> loadLEEDRAtmos('LEEDR_RuralMidLatSummer.h5')
>> Atm = LEEDRAtm(GeomStruct,10,1e-6)
Doc-O-Matic.|
Copyright (c) 2009. All rights reserved.
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Description