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- The wavelet transform is used to analyze some voltage signals what it detected. 利用小波变换对所检测到的电压信号进行了分析。
- The wavelet transforms theory is introduced,the principleof MFL signal de-noising is illuminated. 介绍了小波变换理论,说明去除漏磁信号噪声原理。
- An approach of the pitch detection for obtaining speech tone of Chinese trisyllabic words on the basis of the wavelet transforms is proposed . 给出了一种基于小波变换的汉语三字词基音提取方法。
- The wavelet transform(WT) is a new mathematical tool which will show great prospects in the NIR field. 同时,阐述了光谱的预处理,其中的小波变换方法是一种新的数学工具,有著广泛的应用前景。
- The wavelet transform has the advantage of probing the multi time scale of hydrology and water resources time series. 小波变换法分析水文水资源系统多时间尺度是优越的。
- For the detection of dim moving targets in the infrared image sequences,the wavelet transform is presented here. 研究了红外序列图像中弱小目标的检测。
- In this paper, the wavelet transform theory is introduced and its applications in spectral analysis are reviewed. 本文介绍了小波分析理论并对其在光谱分析中的应用进行了综述。
- In this paper,the infrared dim target detection based on the wavelet transform and target motion features is studied. 本文研究基于小波变换和目标运动特性的红外弱小目标的检测。
- Firstly,the wavelet transform is used to perform a multiscale decomposition each image. 首先对原始图像进行小波分解,得到低频和高频子图像。
- The wavelet transform could eliminate interfere signal,so that the wriggles could be acquired. 小波变换提取的信号排除了干扰,获得了胃蠕动信息。
- Results showed the wavelet transform is a more efficient method in comparison with Fourier transform. 结果表明,小波变换的分析方法较传统的傅立叶变换更为有效。
- Howto organize the wavelet coefficients effectively is pivotal to theperformance of image coding based on wavelet transform. 对于小波图像编码,如何有效地组织小波域系数是提高图像压缩效果的关键。
- The algorithm on the wavelet transform is used to design the real time DCU with DSP and FPGA for one of the MOT channels. 采用基于小波变换的压缩算法,DSP和FPGA器件,设计了星载压缩系统(Onboard Data Compression Unit,DCU)。
- The result indicates that the wavelet transform has practical value in the performance of de noising and real time processing. 结果表明 ;小波变换在去噪性能和实时处理方面均具有实用价值 .
- As for low quality fingerprint images, we join the wavelet transform and Gabor filter to enhance and restore crumbling segments. 对于品质不佳的指纹影像,我们结合小波转换与盖伯函数的功能,修补指纹中破损的部分。
- Results The phase synchronization analysis based on the wavelet transform could distinguish a preictal state and normal interictal state. 结果:6例癫痫患者的分析结果均表明该方法可以区分发作间期与发作前期的状态。
- A flexible and adjustable human visual information abstracting model is presented,which is based on the wavelet transform. 提出一种基于子波变换的灵活可调的人类视觉信息提取模型,用于人造视网膜模型研究。
- In the system the wavelet transform is used to obtain the eigenvectors.The match algorithm uses these eigenvectors to detect oneself or nonself. 针对小波分析的特点,将其用来对非稳定信号进行分析,获取信号特征向量作为原始数据,利用改进型反面选择算法对原始数据进行己-非己分析。
- By using the wavelet transform and the non linear optimization,we calculated parameters and determined the saltation edges of the differential ECG. 微分心电信号的突变特性反映了心肌除极波前在传播过程中的临界点现象,有可能解释心电图高频成分的成因。
- The wavelet transform is a method of multiscale and multiresolution, it is used in signal analysis and image processing. 小波变换是一种多尺度、多分辨力的时频分析方法,广泛应用于信号分析和图像处理领域。