Title :
Hybrid Wiener filter
Author :
Malik, Mohammad Bilal ; Deller, J.R., Jr.
Author_Institution :
Coll. of Electr. & Mech. Eng., Nat. Univ. of Sci. & Technol., Rawalpindi, Pakistan
Abstract :
Known forms of Wiener filter do not adequately address the discrete-time signal processing of continuous random processes. In this paper, we first formulate this problem and subsequently derive its solution. The crux of the work is the development of an autocorrelation function invariant discrete equivalent of a continuous system. This in turn enables us to transform the hybrid Wiener filtering problem into a purely discrete one. An example demonstrates the concepts presented, and draws a comparison of ACF-invariance with other discretization schemes.
Keywords :
Wiener filters; continuous time filters; correlation methods; discrete time filters; random processes; signal processing; ACF-invariance; autocorrelation function invariant discrete equivalent; continuous random processes; discrete-time signal processing; hybrid Wiener filter; Autocorrelation; Educational institutions; Filtering; Finite impulse response filter; Nonlinear filters; Random processes; Signal processing; Signal sampling; White noise; Wiener filter;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
Print_ISBN :
0-7803-8874-7
DOI :
10.1109/ICASSP.2005.1415987