Bufton

MATLAB

v = Bufton(h,[vg],[hpk],[hscale],[vt])

Description

Returns value of the Bufton wind model for input altitude h. This model was originally used for wind profiles from the Maui Space Surveillance Site on Haleakala and as such, the altitude corresponding to z = 0 is 3048 meters above MSL when using the default values for vg, hpk, hscale, and vt - see reference 2 below.

Parameters

Parameters	Description
h [vector]	Altitude above ground level (m)
vg [scalar]	(Optional) Ground wind speed - defaults to 5 (m/s)
hpk [scalar]	(Optional) Altitude of the peak (altitude of the tropopause) - defaults to 9400 (m)
hscale [scalar]	(Optional) Scale height (thickness of tropopause) defaults to 4800 (m)
vt [scalar]	(Optional) Tropopause wind speed - defaults to 30 (m/s)

Return Values

Return Values	Description
v [vector]	Value of Bufton wind model (m/s)

References

L. C. Andrews and R. L. Phillips, Laser Beam Propagation through Random Media, 2nd ed. Bellingham, Wash.: SPIE Press, 2005.
D. P. Greenwood, "Bandwidth Specification for Adaptive Optics Systems," J. Opt. Soc. Am., vol. 67, pp. 390-393, 1977.