Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 150
Book Description
Proceedings of a Conference ... Held 15th-16th June, 1950
Author: Proceedings of a Conference on Centimetric Aerials for Marine Navigational Radar
Author: London Conference on Centimetric Aerials for Marine Navigational Radar 1950Publisher:
ISBN:
Category : Radar in navigation
Languages : en
Pages : 150
Book Description
Proceedings of Technical Meetings
Author: U.S. Atomic Energy CommissionPublisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 36
Book Description
Proceedings of the Conference Held at Leamington Spa, October 16th-19th, 1950
Author: Georgian Group (London, England). ConferencePublisher:
ISBN:
Category : Historic buildings
Languages : en
Pages : 31
Book Description
Proceedings
Author: A Dielectric-loaded Leaky Wave Antenna
Author: Jorgen AastedPublisher:
ISBN:
Category : Leaky-wave antennas
Languages : en
Pages : 114
Book Description
The design and the measured performance are described of a flat, leaky-wave antenna in which the inductive, leaky surface is backed with a slab of dielectric. The analysis is based on a transverse resonance analysis which determines the physical dimensions of the antenna for a certain specified aperture distribution. An antenna was built to compare the theoretical behavior with the measured performance. Two ways of forming the dielectric to the antenna were tested. When the dielectric was molded in place the radiation pattern agreed very well with the theoretically predicted pattern, but high losses in the casting resin gave a lower gain for the antenna than anticipated. For a machined piece of dielectric, the radiation pattern was not as close to the predicted pattern as for the molded sample, but the gain was close to the predicted value. The antenna consists of a 28-by-18-inch through filled with a dielectric material over which a sheet of parallel wires is strung. At the design frequency, 4.75 gc, the antenna radiates a pencil beam 9.4 by 8.3 degrees wide at an angle of 54 degrees measured from the normal to the inductive surface. The beam can be scanned from approximately 75 degrees down to 12 degrees from the normal to the aperture by changing the frequency from 5.25 gc to 4.20 gc. (Author).
Proceedings of the Nineteenth Annual Conference for Veterinarians
Author: Records of the General Conference of the United Nations Educational, Scientific and Cultural Organization
Author: Unesco. General ConferencePublisher:
ISBN:
Category : Intellectual cooperation
Languages : en
Pages : 1376
Book Description
Bibliography of Agriculture
Author: Catalogue of Printed Books
Author: British Museum. Dept. of Printed BooksPublisher:
ISBN:
Category : Books
Languages : en
Pages : 478
Book Description