analysis n. (pl. -ses ) 1.分解,分析;【数学】解析。 2.梗概,要略。 3.〔美国〕用精神分析法治疗(= psychoanalysis)。 in the last analysis= on (the last) analysis 归根结底,总之。 under analysis 在精神分析治疗下。
Wavelet analysis is a newly developed theory , which overcomes the disadvantages of traditional fourier analysis . it has good localized features in both the time domain and the frequency domain and has important application value in the fields of signal processing , image processing , speech analysis and so on 小波分析是一门新兴理论,它克服了传统fourier分析的不足,在时域和频域都具有良好的局部化特性,在信号处理、图像处理、语音分析等领域有重要的应用价值。
According to commonly steps of speech recognition , the key methods of speech recognition is discussed : a ) firstly , preprocessing and feature extraction in speech recognition is studied . we studied two important speech analysis methods and extracted two key features for speech recognition : mfcc and lpcc . on the base of the research we improve the algorithm and experiment with new method 论文根据语音识别的一般流程,主要针对语音识别系统的关键技术进行探讨: ( 1 )首先对语音信号的预处理和特征提取问题进行讨论。分析了当前最常用的两种特征参数, mfcc和lpcc ,在此基础上对语音识别系统预处理和特征提取作了一些改进,并给出相应的实验验证。