grazingang
Grazing angle of surface target
Syntax
grazAng = grazingang(H,R)
grazAng = grazingang(H,R,MODEL)
grazAng = grazingang(H,R,MODEL,Re)
grazAng = grazAng = grazingang(___,'TargetHeight',TGTHT)
Description
returns
the grazing angle for a sensor grazAng
= grazingang(H
,R
)H
meters above
the surface, to surface targets R
meters away.
The computation assumes a curved earth model with an effective earth
radius of approximately 4/3 times the actual earth radius.
also specifies the earth model used to compute the grazing angle. grazAng
= grazingang(H
,R
,MODEL
)MODEL
is either 'Flat'
or 'Curved'
.
also specifies the effective earth radius. Effective earth radius applies to a curved earth
model. When grazAng
= grazingang(H
,R
,MODEL
,Re
)MODEL
is 'Flat'
, the function ignores
Re
.
also specifies the target height, grazAng
= grazAng = grazingang(___,'TargetHeight
',TGTHT
)TGTHT
above the surface as either a
scalar or a vector. If any combination of ht
, R
, and
TGTHT
are vectors, then the dimensions must be equal.
R
must be greater than or equal to the absolute value of the difference
of HT
and TGTHT
.
Input Arguments

Height of the sensor above the surface, in meters. This argument can be a scalar
or a vector. If both 

Distance in meters from the sensor to the surface target. This argument can be a
scalar or a vector. If both 

Earth model, as one of  Default: 

Effective earth radius in meters. This argument must be a positive scalar value. You can used
Default: 

Target height above surface, specified as a scalar or vector. If any combination
of Default: 
Output Arguments

Grazing angle, in degrees. The size of 
Examples
More About
References
[1] Long, Maurice W. Radar Reflectivity of Land and Sea, 3rd Ed. Boston: Artech House, 2001.
[2] Ward, J. “SpaceTime Adaptive Processing for Airborne Radar Data Systems,” Technical Report 1015, MIT Lincoln Laboratory, December, 1994.