1．了解数字信号处理系统的一般构成； 2．掌握奈奎斯特抽样定理。 为方便实现，实验中更换了一种表现形式，即抽样频率固定（10KHz），通过改变输入模拟信号的频率来展示低通抽样定理。我们可以通过研究抽样频率和模拟信号最高频率分量的频率之间的关系，来验证低通抽样定理。-1. Understanding digital signal processing system of the general composition; 2. Master Nyquist Sampling Theorem.

自己编写的信号产生和处理软件,以matlab7为平台.可以实现确定信号和非确定信号的产生,各种滤波器的设计,对信号的频谱分析,滤波后信号的频谱分析等功能.有利于信号与系统.数字信号处理相关课程的学习与理解-The preparation of the signals themselves and deal with software as a platform to matlab7. Can determine the signal and non-identifying signal the

数字信号处理的fortran源代码，包含丰富的基本信号程序，适于帮助初学者深入了解DSP-Fortran source code for digital signal processing, contains a wealth of basic signal program, suitable to help beginners understanding of DSP

对常见的信号类型，如正弦、ASK、FSK等信号的频谱进行仿真验证，适合数字信号处理专业学生练习理解-For common signal types, such as sine, ASK, FSK and other signal spectrum simulation and verification, suitable for digital signal processing professional students to practice understanding