TitleGabor小波分析太赫兹波时间-频率特性的研究
Other TitlesTerahertz time-frequency analysis with Gabor wavelet-transform
Authors邓玉强
郎利影
邢岐荣
曹士英
于靖
徐涛
李健
熊利民
王清月
张志刚
Affiliation中国计量科学研究院光学与激光计量科学研究所
河北工程大学信息与电子工程学院
天津大学精密仪器与光电子工程学院
北京大学电子工程与计算机科学学院
Keywords太赫兹辐射
小波变换
频谱分析
terahertz radiation
wavelet-transform
spectra analysis
Issue Date2008
Publisher物理学报
Citation物理学报.2008,(12),7747-7752.
Abstract引入小波变换将太赫兹脉冲波形变换到二维的时间-频率平面,对太赫兹脉冲时间-频率特性作联合分析.Gabor小波的形状因子是控制小波时间-频率特性的重要参数,通过改变Gabor小波形状因子提高了小波分析太赫兹脉冲的时间分辨率和频率分辨率.
We applied different shaping factors of Gabor wavelet for the analysis of terahertz time-domain spectroscopy with wavelet-transform. Gabor wavelet analysis allows a convenient switching between time domain and frequency domain by varying shaping factors. The comparison of absorption spectral lines obtained between with wavelet-transform and with other methods demonstrated that wavelet-transform is a reliable technique for the analysis of the absorption properties and the extraction of the characteristic spectral lines in terahertz range.
URIhttp://hdl.handle.net/20.500.11897/229148
ISSN1000-3290
Appears in Collections:未确定



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