Design of a 180-degree single-layer divider to control sidelobe and crossover levels in Butler-matrix beam-switching antenna

Asia-Pacific Microwave Conference Proceedings, APMC

Volumn , Issue , 2007, Pages

  Morimoto, Keiichi ^a   Hirokawa, Jiro ^a   Ando, Makoto ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

180 Degree divider; Butler matrix; Crossover lebel; Post wall waveguide; Short slot coupler; Sidelobe lebel; Single layer

Indexed keywords

ANTENNA ACCESSORIES; MICROWAVES;

180-DEGREE DIVIDER; AMPLITUDE DISTRIBUTIONS; ASIA-PACIFIC; BEAM-SWITCHING; BUTLER MATRICES; BUTLER MATRIX; CROSSOVER LEBEL; OUTPUT PORTS; PHASE DIFFERENCES; PHASE SHIFTERS; POST-WALL WAVEGUIDE; POWER DIVISION; SHORT-SLOT COUPLER; SIDE LOBE LEVELS; SIDE LOBES; SIDELOBE LEBEL; SINGLE LAYERS; SINGLE-LAYER;

MATRIX ALGEBRA;

EID: 51849125963     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/APMC.2007.4555139     Document Type: Conference Paper

References (5)

1. J. Butler and R. Lowe, "Beam-forming matrix simplifies design of electronically scanned antennas," Electron. Des., 9, 8, pp.170-1 73, April 1961.
2. W.-R. Li, C. -Y. Chu, K. -H. Lin and S. -F. Chang, "Switched-beam antenna based on modified Butler matrix with low sidelobe level," Electron. Lett., 2004, 40, (5), pp.290-292
3. J. Hirokawa and M. Ando, "Single-Layer Feed Waveguide Consisting of Posts for Plane TEM Wave Excitation in Parallel Plates," IEEE Trans. Antennas Propagat., vol.46, pp.625-630, May 1998.
4. FI. J. Riblet, "The short-slot hybrid junction," Proc. IRE, vol.40, pp.180-184, Feb.1952.
5. S. Yamamoto, J. Hirokawa and M. Ando, "A Single-Layer Hollow-waveguide 8-Way Butler Matrix, " IEEE Trans. Antennas and Propagat., vol.1 A, pp.647-650, July 2005.