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dsp论文--南京研旭公司资料   目     录 概述                                                                               1
　　　1．1  DSP的发展趋势                                                                  1
　　　1．2  DSP处理数字信号                                                               2
方案设计                                                                       4
　　　2．1  基本要求与剖析                                                                 4
　　　2．2  设计方案比较                                                                   4
　　　2．3  总体设计思路与设计框图                                                  5
　　　2．4  总体设计电路图                                                                6
硬件设计                                                                       7
　　　3．1  CPU芯片的选择                                                                7
　　　3．2  声音信号输入的设计                                                         8
　　　3．3  AD采集的设计                                                                   9
　　　3．4  声音信号输出的设计                                                          10
软件设计                                                                      12
　　　4．1  主程序的设计                                                                    12
　　　4．2  MATLAB声音滤波的仿真                                                   13
　　　4．3  GUI界面的设计                                                                  16
　　　4．4  快速傅里叶变换（FFT）的实现                                            17
　　　4．5  声音滤波的实现                                                                 18
总结与展望                                                                    20
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