Title :
An accurate FIR approximation of ideal fractional delay in Hilbert space
Author :
Babaii-Rizvandi, N. ; Nabavi-Lishi, A. ; Hessabi, Sh. ; Kamyabpour, N.
Author_Institution :
Iran Telecom Res. Center, Tehran, Iran
Abstract :
This paper presents an improved low order technique for the design of FIR fractional delay (FD) filters. This method is based on a new use of the least square method in Hilbert space to approximate the ideal FD transfer function with a FIR filter. The main advantages of the resulting filter are: very good response at all frequencies and a good method to create very small delay. Design examples are demonstrated to illustrate the effectiveness of this new design approach.
Keywords :
FIR filters; Hilbert spaces; delay filters; least mean squares methods; FIR approximation; Hilbert space; fractional delay filter; group delay; least square method; mean square error method; transfer function; Delay effects; Design methodology; Equations; Finite impulse response filter; Hilbert space; Least squares approximation; Least squares methods; Space technology; Telecommunications; Vectors;
Conference_Titel :
Signal Processing and Information Technology, 2004. Proceedings of the Fourth IEEE International Symposium on
Print_ISBN :
0-7803-8689-2
DOI :
10.1109/ISSPIT.2004.1433829
