An approximate solution for the radar echo pulse response for planetary radar altimeters
W. Thomas Bundick, Langley Research Center, United States. National Aeronautics and Space Administration
National Aeronautics and Space Administration, 1971 - Technology & Engineering - 27 pages
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accurate at low agreement with results altitudes and pulse amplitude and shape antenna gain approximate solution corresponds to equation echo pulse response echo step response equation 9 equation A21 equation C2 expected return pulse function obtained geometric optics Harrington and Stanley incidence angle Langley Research Center less computer long pulse widths mean surface slope meters feet Muhleman ref Muhleman's model NASA TN numerical integration obtained by numerical partial fraction planetary radar altimeters polar coordinate presented by Harrington previous solution probability density function pulse shape radar backscatter function radar cross section radar echo pulse radar echo step range of altitudes received signal resulting resulting from transmitted results obtained return pulse amplitude scattering element section per unit shape for planetary show excellent agreement Solution A Present solution eq solution of Harrington solution previously presented solution show excellent standard deviation Stanley ref surface backscatter characteristics Terrain Bias Error tion unit area