Author :
Publisher :
Page : 1126 pages
File Size : 16,6 MB
Release : 1987
Category : Aeronautics
ISBN :
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Hermann W. Ehrenspeck
Publisher :
Page : 42 pages
File Size : 15,28 MB
Release : 1974
Category : Antenna arrays
ISBN :
Eight short backfire (SBF) elements aligned on a common planar reflector form a highly efficient fan-beam array capable of yielding a maximum gain of approximately 24 dB. The influence of parameter variations on the array patterns and directivity was experimentally determined by varying the frequency. Normalized design parameters for highest efficiency and for circular polarization capability are tabulated. All array dimensions are given in wavelengths so that each application can easily be scaled for any desired frequency.
Author : Tsing-zone Hsieh
Publisher :
Page : 496 pages
File Size : 21,45 MB
Release : 1971
Category : Antennas (Electronics)
ISBN :
Author : Air Force Cambridge Research Laboratories (U.S.)
Publisher :
Page : 158 pages
File Size : 36,48 MB
Release : 1972
Category : Geophysics
ISBN :
Author : Akhileshwar Kumar
Publisher : Artech House Antenna Library
Page : 496 pages
File Size : 20,49 MB
Release : 1989
Category : Technology & Engineering
ISBN :
Author :
Publisher :
Page : 212 pages
File Size : 25,60 MB
Release : 1985
Category : Electronics
ISBN :
Author :
Publisher :
Page : 210 pages
File Size : 40,41 MB
Release : 1985
Category : Electric engineering
ISBN :
Author :
Publisher :
Page : 210 pages
File Size : 14,10 MB
Release : 1985
Category : Electronics
ISBN :
Author :
Publisher :
Page : 210 pages
File Size : 21,50 MB
Release : 1985
Category : Computers
ISBN :
Author :
Publisher :
Page : pages
File Size : 17,7 MB
Release : 1981
Category : Microwaves
ISBN :
