Estimating Target Heights Based on the Earth Curvature Model and Micromultipath Effect in Skywave OTH Radar

<table>The curve of the emission angles <svg height="11.825" id="M272" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 16.112499 11.825" width="16.112499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> and <svg height="11.825" id="M273" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 16.112499 11.825" width="16.112499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M545 106q-67 -118 -134 -118q-24 0 -40 37.5t-30 129.5h-2q-47 -72 -103 -119.5t-108 -47.5q-47 0 -76 45.5t-29 119.5q0 113 85 204t174 91q47 0 70 -33.5t43 -119.5h3q32 47 80 140l55 13l10 -9q-47 -80 -138 -201q17 -99 27.5 -136t22.5 -37q23 0 69 61zM333 204
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</svg> changing with the ground distance.</table>

Journal of Applied Mathematics

fig16

Figure 16

Figure 16: Estimating Target Heights Based on the Earth Curvature Model and Micromultipath Effect in Skywave OTH Radar 