信号预处理方法

信号预处理方法

学习和应用预处理方法来提高信号质量。您将学习如何填充缺失数据、替换离群值、去除趋势以及对信号去噪。在每个预处理步骤之后，您将分析信号频谱的变化，以确保关键信号信息得到保留。您还将使用信号质量度量来评估预处理结果。

课程模块

Introduction

Familiarize yourself with the course.

课程：

Course Overview

Learning Outcomes and Prerequisites

Common Issues in Signals

Course Example: Aircraft Vibration Signals

Identify Issues in a Signal

Fill Missing Data and Replace Outliers in Signals

Learn to handle missing samples and outliers in signals using suitable gap-filling methods and smoothing techniques.

课程：

Missing Data in Signals

Fill Large and Small Gaps in a Signal

Handle Outliers in Signals

Overview of Signal Smoothing

Replace Outliers in a Signal

Detrend Signals

Use detrending techniques to remove linear trends while preserving the true signal characteristics.

课程：

Baseline Trends in Signals

Remove a Linear Trend from a Signal

Denoise Signals

Identify noise in signals and use denoising techniques to clean and improve signal quality.

课程：

Signal Noise Types and Denoising Methods

Remove Periodic Noise from a Signal

Remove White Noise from a Signal

Automate Signal Preprocessing

Generate a MATLAB function from the Signal Analyzer app to automate signal preprocessing operations.

课程：

Use a Generated MATLAB Function to Preprocess Signals

Evaluate Signal Quality

Evaluate the overall quality of the preprocessed signal using the signal quality metrics.

课程：

Types of Signal Quality Metrics

Evaluate the Quality of a Preprocessed Signal

Conclusion

Learn next steps and give feedback on the course.

课程：

Summary

Additional Resources

Survey

课程模块

Introduction

Fill Missing Data and Replace Outliers in Signals

Detrend Signals

Denoise Signals

Automate Signal Preprocessing

Evaluate Signal Quality

Conclusion

语言

带自动反馈的实操练习
通过 Web 浏览器访问 MATLAB
可共享的进度报告和课程证书

信号特征提取方法

信号处理入门之旅

信号预处理方法

课程模块

Introduction

Fill Missing Data and Replace Outliers in Signals

Detrend Signals

Denoise Signals

Automate Signal Preprocessing

Evaluate Signal Quality

Conclusion

语言

带自动反馈的实操练习通过 Web 浏览器访问 MATLAB可共享的进度报告和课程证书

信号特征提取方法

信号处理入门之旅

带自动反馈的实操练习
通过 Web 浏览器访问 MATLAB
可共享的进度报告和课程证书