Accession Number : ADA171228


Title :   Monopole Element at the Center of a Circular Groundplane of Arbitrary Radius. Volume 2. Appendices


Descriptive Note : Final rept


Corporate Author : MITRE CORP BEDFORD MA


Personal Author(s) : Weiner, M M ; Cruze, S P ; Li, C C ; Wilson, W J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a171228.pdf


Report Date : 31 Mar 1986


Pagination or Media Count : 209


Abstract : The input impedance, field strengths, and directive gain of a monopole element at the center of a circular groundplane in free space are determined for arbitrary groundplane radius, element length, and element radius. Numerical results are obtained by using various models and are compared with measurements. Particular emphasis is given to groundplane radii that are small or comparable to a wavelength. The models include the induced EMF method, integral equation method, method of moments, oblate spheroidal wave functions, variational method, the method of moments combined with the geometric theory of diffraction, and the method of images. This volume contains the computer printouts of directive gain and the listings of the computer programs for the various models.


Descriptors :   *ANTENNA RADIATION PATTERNS , *REFRACTION , *MONOPOLE ANTENNAS , GAIN , WAVE FUNCTIONS , DIRECTIONAL , INTEGRAL EQUATIONS , AIRCRAFT ANTENNAS , VARIATIONAL METHODS , DATA REDUCTION , NUMERICAL ANALYSIS , COMPUTER PROGRAMMING , METHOD OF MOMENTS


Subject Categories : Electrical and Electronic Equipment
      Computer Programming and Software
      Radiofrequency Wave Propagation


Distribution Statement : APPROVED FOR PUBLIC RELEASE