相关分析在特征选择中的应用

摘要

目的　研究模式识别中特征选择的理论和方法.方法　利用相关分析法实现高效率的特征选择.结果　在4种车辆声信号特征选择的实际应用中取得了良好的效果.结论该方法具有运算量小，所选特征识别效果好等明显优点.%Aim　To study the theory and method of feature selection in pattern recognition systems.Methods　Using the correlation analysis,highly effective feature selection is achieved.Results　Good results are received in the feature selection in four kinds of vehicle audio signals.Conclusion　This method shows the obvious virtues of little operation quantity and good recognition effect.