Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Legendre Fit to the Reflection Coefficient of a Radiating Rectangular Waveguide Aperture

Published

Author(s)

Dylan F. Williams, Mohammad T. Ghasr, Bradley K. Alpert, Zhongxiang Shen, Alexander Arsenovic, Robert M. Weikle, Reza Zoughi

Abstract

We accurately calculate the reflection coefficient and normalized admittance of radiating open-ended rectangular waveguides and fit our results with a linear combination of Legendre polynomials. We verify the expression to an accuracy of 0.005 with other calculations and examine the impact of flanges and burrs on the accuracy to which the reflection coefficient can be approximated in practice.
Citation
IEEE Microwave and Wireless Components Letters
Volume
60
Issue
8

Keywords

Calibration, millimeter-wave, submillimeter wave, terahertz, uncertainty analysis, vector network analyzer

Citation

Williams, D. , Ghasr, M. , Alpert, B. , Shen, Z. , Arsenovic, A. , Weikle, R. and Zoughi, R. (2012), Legendre Fit to the Reflection Coefficient of a Radiating Rectangular Waveguide Aperture, IEEE Microwave and Wireless Components Letters, [online], https://doi.org/10.1109/TAP.2012.2201106 (Accessed June 18, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created August 1, 2012, Updated January 27, 2020