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Fields and Signals in Coupled Coaxial and Cylindrical Cavities

This study investigates the fields and signals in coupled coaxial and cylindrical cavities using integral equations. Experimental setup and preliminary time domain data are analyzed to better understand frequency domain results.

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Fields and Signals in Coupled Coaxial and Cylindrical Cavities

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  1. Fields and Signals in Coupled Coaxial and Cylindrical Cavities John C. Young Chalmers M. Butler Clemson University

  2. Introduction • Sample Structures • Integral Equation • Motivation • Data and Observations Clemson University / Applied Electromagnetics Group

  3. Sample Structures Clemson University / Applied Electromagnetics Group

  4. Sample Structures Clemson University / Applied Electromagnetics Group

  5. Structure and Sections Clemson University / Applied Electromagnetics Group

  6. Integral Equation Clemson University / Applied Electromagnetics Group

  7. Integral Equation Clemson University / Applied Electromagnetics Group

  8. Integral Equation Definitions Clemson University / Applied Electromagnetics Group

  9. Solution Technique Pulse Expansion/Point Matching – matrix equation Kummer’s transformation – acceleration of convergence Fields at points in cavity can be found from knowledge of aperture fields Clemson University / Applied Electromagnetics Group

  10. Experimental Setup

  11. Input Admittance Clemson University / Applied Electromagnetics Group

  12. Reflection Coefficient Clemson University / Applied Electromagnetics Group

  13. Reflection Coefficient Clemson University / Applied Electromagnetics Group

  14. Preliminary Time Domain Data Clemson University / Applied Electromagnetics Group

  15. Preliminary Time Domain Data Clemson University / Applied Electromagnetics Group

  16. Conclusions • Fields in cascaded cavities can be determined • Frequency domain data is often difficult to interpret, even for relatively simple structures • Time domain analysis is easier to interpret physically and helps in understanding frequency domain data Clemson University / Applied Electromagnetics Group

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