Communications: directive radio wave systems and devices (e.g. – Determining distance – Altimeter
Reexamination Certificate
2007-09-04
2007-09-04
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
Altimeter
C342S123000
Reexamination Certificate
active
10988009
ABSTRACT:
A method for determining the height HTof a target above a surface, the method comprising the steps of determining a distance R from a source to a target, determining a distance L representative of a distance traveled by a signal from the target that is reflected by the surface to the source, determining a height H of the source above the surface, and determining the height HTof the target using the equation:HT=(L2-R2)4HAssociated target height errors that result from input errors can also be determined using the equation.
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Chen Shelley
Lenart, Esq. Robert P.
Northrop Grumman Corporation
Pietragallo Bosick & Gordon LLP
Tarcza Thomas H.
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