## Sinusoidal reaction formulation for radiation and scattering from conducting surfaces |

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### Contents

INTRODUCTION II THE REACTION TECHNIQUE | 1 |

THE SINUSOIDAL SURFACE DIPOLES | 6 |

THE IMPEDANCE MATRIX | 9 |

5 other sections not shown

### Common terms and phrases

0.5 kb sine arbitrary shape basis functions bodies of arbitrary broadside aspect continuous conducting surface Coplanar Surface Dipoles corner reflector corner-reflector antennas current density current distribution echo area electric field intensity electric surface dipole electric surface-current density electric test source expansion functions experimental measurements exterior scattered FORMULATION FOR RADIATION free space free-space field Gilreath at NASA illustrated in Fig Impedance of Center-Fed incident at broadside integral equation interior test source Langley Research Center magnetic current mode per square mutual impedance Normalized backscatter cross-section number of modes NUMERICAL RESULTS patterns of corner-reflector perfectly-conducting rectangular plate piecewise-sinusoidal reaction technique plates and corner RADIATION AND SCATTERING radiation patterns reaction concept Rumsey[6 scattered field SCATTERING FROM CONDUCTING scattering problem shown in Fig simultaneous linear equations SINUSOIDAL REACTION FORMULATION sinusoidal surface dipole square wavelength surface dipole located Surface Dipoles Shown surface-current density induced test dipole V-dipole xy plane yz plane zero-reaction