延安大学：《数字信号处理》课程PPT教学课件（DigitalSignal Processing，DSP）Chapter 0 绪论 Preface

Preface o Examples of typical signals 想A !; A typical electrocardiography(∈CG,心电图) trace

Preface ⚫ Examples of typical signals A typical electrocardiography (ECG,心电图) trace

Preface 10 0.5 0.10.203040506 One cycle of an Ecg waveform

Preface One cycle of an ECG waveform

Preface a The electrical activity of the heart is represented by the ECG signal. In practice, there are various types of externally produced artifacts that appear in the ECG signal. Unless these interferences are removed, it is difficult for a physician to make a correct diagnosis

Preface  The electrical activity of the heart is represented by the ECG signal. In practice, there are various types of externally produced artifacts that appear in the ECG signal. Unless these interferences are removed, it is difficult for a physician to make a correct diagnosis

Preface o Examples of typical signals ◆ Musical sound signal a The electronic synthesizer is an example of the use of modern signal processing techniques

Preface ◆ Musical sound signal The electronic synthesizer is an example of the use of modern signal processing techniques. ⚫ Examples of typical signals

Preface o Examples of typical signals ◆ Musical sound signal a The electronic synthesizer is an example of the use of modern signal processing techniques

Preface ◆ Musical sound signal The electronic synthesizer is an example of the use of modern signal processing techniques. ⚫ Examples of typical signals