A Theoretical Study Of A Cylindrical Antenna With A Hemispherical Cap PDF Download
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Author | : Chung-Yu Ting |
Publisher | : |
Total Pages | : 28 |
Release | : 1968 |
Genre | : Antennas (Electronics) |
ISBN | : |
Download A Theoretical Study of a Cylindrical Antenna with a Hemispherical Cap Book in PDF, ePub and Kindle
The integral equation of a cylindrical monopole antenna with a hemispherical cap driven by a coaxial line is formulated and solved by two approximations. First, the current on the cap is approximated by a sinusoidal distribution. Secondly, the field across the driven gap is approximated by the fundamental TEM coaxial-line mode. Results are compared with the tubular model. It is shown that the input admittance curve of the capped antenna has the same shape as that of the tubular antenna with open ends but is shifted. The radiation patterns of the two antennas are essentially the same. The capped antenna is approximately equivalent to the tubular antenna with length 0.25 radius shorter than the total axial length of the antenna with a cap. (Author).
Author | : Soon Hie Tan |
Publisher | : |
Total Pages | : 416 |
Release | : 1975 |
Genre | : |
ISBN | : |
Download A Study of the Electrically Thick Solid Cylindrical Antennas Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 768 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1264 |
Release | : 1967 |
Genre | : Aeronautics |
ISBN | : |
Download OAR Cumulative Index of Research Results Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 840 |
Release | : 1968 |
Genre | : Science |
ISBN | : |
Download U.S. Government Research & Development Reports Book in PDF, ePub and Kindle
Author | : Nichigai Asoshiētsu |
Publisher | : |
Total Pages | : 1156 |
Release | : 1973 |
Genre | : Electric engineering |
ISBN | : |
Download Cumulative Index to Entire IEEE Group Transactions/journals, 1951-1971: Subject Book in PDF, ePub and Kindle
Author | : Chung-Yu Ting |
Publisher | : |
Total Pages | : 87 |
Release | : 1966 |
Genre | : |
ISBN | : |
Download A Theoretical Study of Dielectric-coated Cylindrical Antennas Book in PDF, ePub and Kindle
A cylindrical antenna, either infinite or finite, which is imbedded in a concentric dielectric rod has been investigated by employing a rigorous formulation. The infinite case is solved easily by a Fourier transform method; the finite case is solved first by a numerical method, then by a two-term approximation. The mathematical analysis is intricate, nevertheless, the results obtained for the finite antenna are as simple as for the free-space dipole. It is shown in both cases that the input conductances are larger than for the corresponding free-space antennas, and the field patterns tend to be more broadside. The method is applicable regardless of the thicknesses of the antennas and the dielectric rod. This study is limited to thin antennas in rather thick dielectric cylinders. However, the dielectric rod is still not thick enough to support a T.M. mode. (Author).
Author | : Harold Fletcher Mathis |
Publisher | : |
Total Pages | : 104 |
Release | : 1955 |
Genre | : Antennas (Electronics) |
ISBN | : |
Download A Theoretical Study of a Hemispherical Cavity Antenna Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 504 |
Release | : 1970 |
Genre | : Science |
ISBN | : |
Download Current Technical Papers Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1164 |
Release | : 1968 |
Genre | : Science |
ISBN | : |
Download Government Reports Announcements & Index Book in PDF, ePub and Kindle