查询词典 wavelet

The advantages of OSWT are described via comparison with OWT and 2D discrete separable wavelet transform.

将新的母小波引入到光学小波变换中，获得了光学可分离小波变换。

A new false color mapping and wavelet integrated approach is presented, and is used to fuse the panchromatic image and spectral images.

给出了一种新的综合伪彩色映射技术和小波变换理论的图像融合方法，并将其应用于全色图像和光谱图像的融合中。

In this paper, we present a new remote sensing image fusion method based on IHST and Wavelet Packet Transform to fusion a multi-spectral image and a panchromatic image.

针对多光谱图像与全色图像的融合，提出了基于IHS变换和小波包变换的遥感图像融合新方法。

Then false color image and panchromatic image are fused by IHS and wavelet transform to retain more detail information.

同时将伪彩色映射融合后的图像进一步用IHS变换提取空间信息，在小波变换框架下将其与全色图像进行融合以提高目标的边缘细节信息，使所获得的融合结果不仅包含丰富的光谱信息的同时还具有较高的空间分辨率。

The main contributions include:(1) Energy conservation law of Haar wavelets transform is proved to compress data streams.(2) The relation between the coincidence measure and trend of streams is revealed as along with the invariability under parallel shift and the equivalence law over coincidence measure to approximately express data-streams by the wavelet coefficient of the characteristic stream and its energy.(3) Multi-Scales energy decomposition model is proposed to improve the compression precision.(4) The multi-scales compression algorithm and the energy conservation reconstruction algorithm are designed.(5) Extended experiments show that the compression ratio of the new methods is 2~4 times as the traditional method.

主要研究成果包括：(1)证明了Haar小波变换服从能量守恒规律，并用于压缩数据流；(2)揭示了数据流的偶合度与变化趋势的相关性、偶合度的平移不变性及等价规律，采用特征流序列的小波系数和流能量近似表示流的趋势，达到压缩的目的；(3)提出了多尺度能量分解模型，提高了表示精度；(4)设计了多尺度能量分解压缩算法以及多尺度重构算法；(5)在真实数据集上的实验表明，新方法的压缩比是传统小波方法的2～4倍。

In this paper algorithms based on wavelet packets for multiresolution data fusion are proposed, which are efficient and highly parallelizable.

小波变换的多尺度特点非常适合多尺度信号的处理，可以用于多分辨率多传感器数据融合。

When the response is chaotic,by the wavelet transform,there is no any periodic signal,which is the fundamental difference from periodic motion.

如果系统响应是混沌的，通过小波变换，始终都得不到周期的信号，这一点明显区别于周期运动。

Clinical application of the Spontaneous Otoacoustic Emissions might be enhanced by the method of improved periodogram and Wavelet transform.

改进的周期图法和小波变换方法对推动自发耳声发射在临床生理和病理上的应用有巨大的潜力。

Result It was found that improved periodogram and Wavelet transform performed better than the method currently used in clinics.

结果 改进的周期图法和小波变换方法比目前临床所采用的检测算法在准确检测谱峰峰值及其位置、高分辨率提取信号频谱特征等方面，具有更大的优越性。

Improved periodogram,AR model and Wavelet transform techniques were used to detect the Spontaneous otoacoustic emissions signal.

采用改进的周期图法、AR模型及小波变换方法，研究手术自发耳声发射信号的颈椎病检测算法。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。