TRASVERSE FOCAL REGION FIELDS OF A SPHERICAL REFLECTOR.
RADIO CORP OF AMERICA MOORESTOWN N J MISSILE AND SURFACE RADAR DIV
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The method of stationary phase is used to evaluate the focal region fields of a spherical reflector. First, the applicable consequences of earlier studies of geometric optics and polarization properties of a spherical reflector are reviewed. Then an integral formulation of the focal region fields is made. This integral is evaluated by the method of stationary phase. The stationary phase model of the focal region fields is evaluated numerically for various values of parameters. The graphs of the computations are discussed in detail. Finally, a comparison between theory and measurement is shown. The details of the stationary phase evaluation are given in Appendix A. The computer program for numerical evaluation of the focal region fields is given in Appendix B. Finally, in Appendix C, experimental work on a circular cylinder pillbox analog of the spherical reflector is discussed. Author
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