Title :
Characteristics of propagated double-exponential pulse through waveguide
Author :
Liu, Ya-Xun ; Wang, Wen-Bing
Author_Institution :
Electromagn. & Microwave Lab., Xi´´an Jiaotong Univ., China
fDate :
7/31/1997 12:00:00 AM
Abstract :
The second order asymptotic approximation of the propagated double exponential pulse through waveguide or plasma is obtained by using the steepest descent method, and analytical expressions of the amplitude and phase function of the first order asymptotic expansion are derived. Numerical examples are then given and compared with the results of both Hosono´s method and the branch cut integration (BCI)-IFFT method for verification
Keywords :
approximation theory; fast Fourier transforms; waveguide theory; Hosono´s method; amplitude function; branch cut integration-IFFT method; first order asymptotic expansion; phase function; propagated double-exponential pulse; second order asymptotic approximation; steepest descent method; waveguide propagation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970948
