Design of a Higher-Order Mode Coupler Using Coaxial-Structure Waveguide for Ku-Band Monopulse Satellite Tracking 


Vol. 39,  No. 4, pp. 380-386, Apr.  2014


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  Abstract

In this paper, a higher-order mode coupler using coaxial-structure waveguide for Ku-band monopulse satellite tracking is proposed. The proposed higher-order mode coupler is built in a coaxial structure for compactness and weight reduction, making it suitable for mobile tracking systems. The inner circular waveguide of coaxial-structure is used to extract the fundamental mode signal and the high-order mode signal is extracted from the four slots of the outer circular waveguide and then transmitted via given stepped rectangular waveguide structure. The simulated results show that proposed higher-order mode coupler covers 250 MHz(12.75 GHz ~ 13.00 GHz) bandwidth with return loss and insertion loss characteristics. The antenna patterns of fundamental mode and higher-order mode applicable to monopulse tracking are generated successfully. Designed higher-order mode coupler using coaxial waveguide structure for Ku-band is expected to be used for high precision monopulse satellite tracking systems.

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  Cite this article

[IEEE Style]

D. Ga, D. Park, C. Song, S. Ahn, C. Jun, J. Lee, "Design of a Higher-Order Mode Coupler Using Coaxial-Structure Waveguide for Ku-Band Monopulse Satellite Tracking," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 4, pp. 380-386, 2014. DOI: .

[ACM Style]

Deuk-hyeon Ga, Do-hyun Park, Choong-ho Song, Sung-joon Ahn, Chan-won Jun, and Jae-moon Lee. 2014. Design of a Higher-Order Mode Coupler Using Coaxial-Structure Waveguide for Ku-Band Monopulse Satellite Tracking. The Journal of Korean Institute of Communications and Information Sciences, 39, 4, (2014), 380-386. DOI: .

[KICS Style]

Deuk-hyeon Ga, Do-hyun Park, Choong-ho Song, Sung-joon Ahn, Chan-won Jun, Jae-moon Lee, "Design of a Higher-Order Mode Coupler Using Coaxial-Structure Waveguide for Ku-Band Monopulse Satellite Tracking," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 4, pp. 380-386, 4. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880