The Electrical Engineering Handbook

2

Digital Filters

Marcio G. Siqueira,     Cisco Systems, Sunnyvale, California, USA

Paulo S.R. Diniz,     Program of Electrical Engineering, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

2.1. Introduction

2.2. Digital Signal Processing Systems

2.3. Sampling of Analog Signals

2.3.1. Sampling Theorem

2.4. Digital Filters and Linear Systems

2.4.1. Linear Time-Invariant Systems

2.4.2. Difference Equation

2.5. Finite Impulse Response (FIR) Filters

2.6. Infinite Impulse Response Filters

2.7. Digital Filter Realizations

2.7.1. FIR Filter Structures

2.7.2. IIR Filter Realizations

2.8. FIR Filter Approximation Methods

2.8.1. Window Method

2.8.2. Sarämaki Window

2.9. FIR Filter Design by Optimization

2.9.1. Problem ...