leaky-wave antenna


Also found in: Acronyms.

leaky-wave antenna

[′lēk·ē ¦wāv an′ten·ə]
(electromagnetism)
A wide-band microwave antenna that radiates a narrow beam whose direction varies with frequency; it is fundamentally a perforated waveguide, thin enough to permit flush mounting for aircraft and missile radar applications.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
After fine-tuning the unit cell for the desired radiating region and steering angles, the miniaturized leaky-wave antenna has been designed by cascading 11 unit cells.
Caloz, "Uniform ferrite-loaded open waveguide structure with CRLH response and its application to a novel backfire-to-endfire leaky-wave antenna," IEEE Trans.
Based on this model and refinements through method of moments electromagnetic simulations, the proposed CRLH leaky-wave antenna has been characterized and designed at 10 GHz, with CPW configuration on a thin and flexible substrate which exhibits all functions and performances superior to the prior state of the art.
A 5-[Lambda]-long prototype microstrip leaky-wave antenna, shown in Figure 8, has recently been applied to the problem.
In this framework, two-dimensional (2-D) leaky-wave antennas (LWAs) provide versatile, low-profile, and low-cost solutions for achieving directive radiation patterns, in the form of conical scanned or broadside pencil beams [27].
Rennings, "CRLH metamaterials leaky-wave antennas," IEEE Antennas and Propagation Magazine, Vol.
Zhang, "High-efficiency leaky-wave antenna array with sidelobe suppression and multibeam generation," IEEE Antennas and Wireless Propagation Letters, vol.
Wang, "A compact wideband leaky-wave antenna with etched slot elements and tapered structure," IEEE Trans.
Goussetis, "Planar leaky-wave antenna with flexible control of the complex propagation constant," IEEE Trans.
Li, Research on the Radiation Mechanism of Traveling-Wave Structure and Novel Leaky-Wave Antennas, Diss.
Eleftheriades, "A CPS leaky-wave antenna with reduced beam squinting using NRI-TL metamaterials," IEEE Trans.
Huang, "A planar D-CRLH and its application to bandstop filter and leaky-wave antenna," Progress In Electromagnetics Research Letters, Vol.