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Novel substrate integrated waveguide filters and circuits

Huang, Liwen (2013) Novel substrate integrated waveguide filters and circuits. PhD thesis, University of Leeds.

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Abstract

The main work in this thesis is to explore novel microwave filters with more compact size and improved performance by taking advantage of new substrate integrated waveguide (SIW) structures, such as the ridge substrate integrated waveguide, half mode substrate integrated waveguide (HMSIW) and SIW with complementary split ring resonators (CSRRs). This thesis therefore presents the following topics: 1. Development of a design strategy to convert from a conventional ridge waveguide configuration with solid walls to the SIW counterpart, and the design of a bandpass filter based on the ridge SIW with the proposed design method. 2. Development of a ridged HMSIW to reduce the physical size of the HMSIW by loading the HMSIW with a ridge, and application of the ridged HMSIW to the design of compact bandpass filters. 3. Development of a broadside-coupled complementary split ring resonator and a capacitively-loaded complementary single split ring resonator to reduce the size of SIW with conventional CSRRs, and application of the proposed modified structures in the design of SIW and HMSIW filters with improved compactness and performance. 4. Investigation of the application of the complementary electric-LC (CELC) resonator in SIW filters with improved stopband performance, and development of a cascaded CELC resonator to further enhance the out-of-band performance.

Item Type: Thesis (PhD)
ISBN: 978-0-85731-479-6
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Electronic & Electrical Engineering (Leeds)
Identification Number/EthosID: uk.bl.ethos.635378
Depositing User: Repository Administrator
Date Deposited: 13 Feb 2015 11:35
Last Modified: 25 Nov 2015 13:47
URI: http://etheses.whiterose.ac.uk/id/eprint/8090

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