Accession Number : ADA289437

Title :   Active Antennas with Periodic Structures.

Descriptive Note : Doctoral thesis,

Corporate Author : COLORADO UNIV AT BOULDER GUIDED WAVE OPTICS LAB

Personal Author(s) : Chen, Kuang Y.

PDF Url : ADA289437

Report Date : OCT 1994

Pagination or Media Count : 145

Abstract : Integration of a solid-state transistor oscillator with a radiative element has many advantages: it eliminates the feed network, replaces the expensive waveguide transition, reduces the size of the antenna system, and provides active impedance matching. Active devices also offer promise for optical control of beam steering antenna arrays. The objective of this thesis is to determine the physical characteristics of an active antenna and understand its operational principles.

Descriptors :   *ANTENNA ARRAYS, *SOLID STATE ELECTRONICS, OSCILLATORS, OPTICAL PROPERTIES, OPTIMIZATION, COMPARISON, THESES, WAVEGUIDES, FIELD EFFECT TRANSISTORS, ANTENNA RADIATION PATTERNS, BEAM STEERING, CIRCUIT ANALYSIS, PHASED ARRAYS, TRANSISTORS, ANTENNA FEEDS, BEAMS(ELECTROMAGNETIC), IMPEDANCE MATCHING.

Subject Categories : Electrical and Electronic Equipment
      Optics
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE