Accession Number : AD0783278

Title :   Radiation Field Compression by Dispersive Broadband Antennas

Descriptive Note : Final technical rept. 17 Jan-17 Nov 1973

Corporate Author : BRADDOCK DUNN AND MCDONALD INC ALBUQUERQUE NM

Personal Author(s) : Wiggins, C M ; Yu, J S

PDF Url : AD0783278

Report Date : May 1974

Pagination or Media Count : 387

Abstract : The technique employs an antenna as a waveform compression device. A coded waveform from the transmitter will be spatially compressed during radiation. The primary consideration of this report is to determine the limitations of time-bandwidth products versus bandwidth both from a theoretical and practical viewpoint. It is shown that present-day antennas have time- bandwidth products exceeding 2000. It is shown that the electromagnetic fields can be increased over conventional spatial antenna concepts.

Descriptors :   *BROADBAND ANTENNAS, COMPRESSION, ELECTROMAGNETIC FIELDS, LOG PERIODIC ANTENNAS, MATCHED FILTERS, PULSE COMPRESSION, SPIRAL ANTENNAS, TRANSFER FUNCTIONS

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE