Stability Condition in Terms of the Pole Locations A causal lti digital filter is BIBO stable if and only if its impulse response h[n] is absolutely summable, i.e

1. Digital Signal Processing基本概念 2.DSP发展筒史 3.DSP的新兴分支

一、滤波器的图示及分析 二、等效结构 三、基本的FIR滤波器结构 四、基本的IIR滤波器结构

一、Textbook S.K. Mitra, Digital Signal Processing-A Computer-Based Approach, Third Ed

Discrete-Time Systems A discrete-time system processes a given input sequence x[] to generates an output sequencey[n] with more desirable properties In most applications, the discrete-time system is a single-input, single-output system:

一、频率响应 二、传输函数 三、简单滤波器 四、一些特殊的传输函数

Linear-Phase FIR Transfer Functions It is nearly impossible to design linear- phase IIR transfer function It is always possible to design an FIR transfer function with an exact linear-phase response

● 数字信号处理 ● DSP芯片的特点 ● DSP系统 ● DSP系统的设计过程 1.1 数字信号处理概述 1.2 可编程DSP芯片 1.3 DSP系统 1.4 DSP产品简介

Phase and Group Delays The output y[n] of a frequency-selective LTI discrete-time system with a frequency response(@) exhibits some delay relative to the input x[n] caused by the nonzero phase response 0(@) =arg{()} of the system

5.1 基本离散信号与LTI离散 系统的响应 一、基本离散信号 二、差分与差分方程 三、差分方程的经典解 三、零输入响应和零状态响应 5.2 卷积和 一、序列分解与卷积和 二、卷积的图解 三、不进位乘法 四、卷积和的性质 5.3 离散系统的算子方程