Title :
Analysis and design of feeding structures for microstrip leaky wave antenna
Author :
Yu-De Lin ; Jyh-Wen Sheen ; Tzuang, Ching-Kuang C.
Author_Institution :
Inst. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
Two methods to excite the microstrip leaky wave antenna are proposed and investigated in this paper. A full-wave spectral domain integral equation method combined with fundamental mode sampling technique is applied to determine the reflection coefficient of the excitation source. Dependence on structural parameters such as line width, overlap length and line spacing is fully analyzed to obtain the optimum excitation for microstrip leaky wave antenna. Also, an experimental setup is performed to check the validity of our numerical results and identify the radiation nature of the microstrip line higher order modes.<>
Keywords :
antenna feeds; antenna theory; integral equations; microstrip antennas; spectral-domain analysis; excitation source; feeding structures; full-wave spectral domain; fundamental mode sampling technique; higher order modes; integral equation method; line spacing; line width; microstrip leaky wave antenna; optimum excitation; overlap length; radiation nature; reflection coefficient; structural parameters; Antennas and propagation; Frequency; Integral equations; Leaky wave antennas; Microstrip antennas; Moment methods; Reflection; Sampling methods; Structural engineering; Surface waves;
Conference_Titel :
Microwave Symposium Digest, 1995., IEEE MTT-S International
Conference_Location :
Orlando, FL, USA
Print_ISBN :
0-7803-2581-8
DOI :
10.1109/MWSYM.1995.406078
