DocumentCode :
519602
Title :
RBF intelligent model of rectangular PDGS-LPF
Author :
Jin Taobin ; Jin Jie ; Li Yuan ; Kong Xi ; Yang Shan
Author_Institution :
Sch. of Electron. Inf. Eng., Tianjin Univ., Tianjin, China
Volume :
2
fYear :
2010
fDate :
21-24 May 2010
Abstract :
Microwave low-pass filter (LPF) is a kind of device which can separate different signals within microwave frequency range, widely used in microwave communication system. Periodic defected ground structures (PDGS) with rectangular defected areas has excellent low-pass properties when periodic unit amounts and structure sizes meet definite conditions. According to RBF artificial neural network (ANN) theory, RBF intelligent model of PDGS-LPF with etched rectangles is developed for the first time on the basis of FDTD analysis. The structure sizes of rectangular PDGS-LPF and the frequency are defined as the input samples of the RBF, transmission coefficient (S21) are defined as the output samples. After the RBF has been successfully trained with improved Gaussian algorithm, S21 at any arbitrary parameters can be obtained quickly from RBF intelligent model within training values range. Finally, RBF intelligent model has been approved by FDTD results. It is also showed that RBF intelligent model is very effective, which will provide powerful approach for the precise analysis and quick design of rectangular PDGS-LPF.
Keywords :
Gaussian processes; defected ground structures; finite difference time-domain analysis; learning (artificial intelligence); low-pass filters; microwave filters; periodic structures; radial basis function networks; FDTD analysis; LPF; RBF intelligent model; artificial neural network; improved Gaussian algorithm; microwave communication system; microwave low pass filter; periodic defected ground structures; rectangular PDGS; Artificial intelligence; Artificial neural networks; Finite difference methods; Low pass filters; Microwave communication; Microwave devices; Microwave filters; Microwave frequencies; Periodic structures; Time domain analysis; Low-pass filter; PDGS-LPF; RBF; S21;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Future Computer and Communication (ICFCC), 2010 2nd International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-5821-9
Type :
conf
DOI :
10.1109/ICFCC.2010.5497350
Filename :
5497350
Link To Document :
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