Dissertation > Excellent graduate degree dissertation topics show

Application Study of Substrate Integrated Waveguides in Some Novel Microwave Passive Components and Antennas

Author: ChenLiNa
Tutor: JiaoYongChang
School: Xi'an University of Electronic Science and Technology
Course: Electromagnetic Field and Microwave Technology
Keywords: Substrate Integrated Waveguide Dual-mode Filter MiniaturizationDefected Ground Structure Ultra-Wideband Filter PowerDivider Cavity Backed Antenna Filter Antenna Linear Array
CLC: TN814
Type: PhD thesis
Year: 2012
Downloads: 401
Quote: 0
Read: Download Dissertation


As a novel guide wave structure, substrate integrated waveguide (SIW) is asynthetic rectangular waveguide formed by the top and bottom metal plates of a lowloss tangent dielectric slab and two sidewalls of period metallic via-holes. It hasadvantages such as high Q factor, low profile, low cost and easily being integrated onplanar circuits. This dissertation is mainly concerned with the design of various SIWfilters and SIW power dividers, as well as the implementation of SIW antennas andarrays. The author’s major contributions are outlined as follows:1. Miniaturized dual-mode substrate integrated waveguide filters have beenstudied. The impact of a series of cross-slot structures, such as cross-slot structure,T-shaped loaded cross-slot structure and H-shaped loaded cross-slot structure ondual-mode SIW filter is studied. Cross-slot structure, T-shaped loaded cross-slotstructure and H-shaped cross-slot structure has22.15%,30.56%and56.25%sizereduction compared with conventional dual-mode SIW filter. Measured results illustratethat the series of cross-slot structures are effective in size reduction for longer effectivelength while two controllable transmission zeros can be obtained.2. Wideband filters which are composed of SIW and defected ground structures(DGS) have been studied. Firstly, by using high-pass characteristics of SIW andlow-pass characteristics of double-U shaped cascaded DGS, a wideband filter has beendeveloped. Secondly, by using size reduction of half-mode substrate integratedwaveguide (HMSIW), a compact UWB filter is implemented, which is composite ofHMSIW and interdigital DGS. Finally, by introducing high Q factor bended U-shapedDGS in UWB filter, a band-notched UWB filter has been developed.3. SIW unequal power dividers have been studied. Firstly, a microstrip dual-bandunequal power divider was developed, which has relatively complicated designprocedure though high power split ratio. Commonly used T-shaped, Y-shaped SIW andWilkinson HMSIW power divider have been studied. Corresponding SIW unequalpower dividers have been designed at the same time. The series of unequal powerdividers demonstrated that SIW unequal power divider can be easily designed by anasymmetry structure, which distributes electromagnetic energy into different outputports with required ratio.4. SIW cavity backed antenna, filter antenna and8-element linear array have beenstudied. Firstly, a novel dual-mode dual-band SIW cavity backed antenna has been designed. Then, UWB filter antenna with dual narrow band-notched characteristics hasbeen developed. Conceptual equivalent circuit models are given through the analysis ofinput impedance. Finally, compact SIW filter antenna has been presented throughintegrative design of filter and antenna. An8-element SIW filter antenna linear array hasbeen designed. The array prototype with the feeding network is constructed at the sametime.

Related Dissertations

  1. Astudy on Optimizations and Designs of RF Filter,TN713
  2. Study on Cascade Techniques for Substrate Integrated Waveguide Dual-mode Filters,TN713
  3. Study on Laminated Cascade for Substrate Integrated Waveguide Dual-mode Filters,TN713
  4. Research on Substrate Integrated Waveguide’s Characteristics and Applications,TN814
  5. Design and Realization of Cuttings Recognition System Based on Linear CCD,TP391.41
  6. The Research of Outer Diameter Non-contact Detection System and Algorithm of Taper Roller,TP274
  7. The Study on MUSIC Spatial Spectrum Estimation and Inverse QR-RLS Technology in Communication Interference,TN911.23
  8. Standard Gauge Based Reference Measuring Technologies for Geometric Parameters,TP391.41
  9. Research of Robot Vision Navigation Based on FPGA,TP242
  10. Parallel computing for data-intensive reconfigurable linear array processor architecture design,TP332
  11. Study on the X-Ray Real-time Digital Imaging System Used in Welding Line of the Spire Welded Pipe,TG441.7
  12. Development of Instrument for Measuring Chaser with Linear CCD Based on DSP,TG722
  13. Millimeter wave transceiver LTCC components research,TN454
  14. The tubular product size detection technology research,TP274.4
  15. Research on Electric-control Biochip Based on Linear-arrayed Electrode,TN492
  16. Study of CCD Photoelectric Thickness Measurement Instrument and System,TH821
  17. The Research of Microwave Passive Components Based on Substrate Integrated Waveguide,TN12
  18. Folded substrate integrated waveguide filter of,TN713
  19. Online Defects Detection System for Print Products Based on Image Processing,TP274.4
  20. Mine Emulsion Consistence Online Examination Technique Research,TD355.4
  21. The Key Technologies Studies for the Small-arms Vertical Target Coordinate Measuring System,TP274

CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Feeder equipment ( transmission lines and waveguides ) > Waveguide,the waveguide,the waveguide transmission line
© 2012 www.DissertationTopic.Net  Mobile