通过拉威尔的《波莱罗》我们还知道,没有人专门负责敲打节拍,那太简单了,但听到那些复节奏时,我们的大脑会自动推断出节拍
We also learned from Ravel's Bolero that nobody actually plays the beat-- that's too basic but our mind, hearing all of these complex rhythms, extrapolates the beat from this complexity.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息,因而,适用于电力系统的故障信号的检测。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
复射线理论为高频电磁波在各种复杂环境中的传播和散射提供了一种简便而有效的分析方法。
The complex ray theory provides a simple and useful approach to analyze the propagation and scattering of HF EM waves in various complicated environments.
本文论证了非线性耦合前向波的位相复共轭特性。
In this paper, the phase conjugate nature of the nonlinear coupling forward wave has been demonstrated.
相位信息是电力系统的一个重要特征,正交或双正交的复小波是实时提取电力系统中相位信息的有力手段。
Phase information is one of emphasis characters in the power system orthogonal or biorthogonal complex wavelet is strong means to extract phase information in the power system in time.
研究结果表明:基于EWC阈值法的复小波变换能够有效地抑制GIS特高频PD信号中的周期性窄带干扰。
The results show that the EWC threshold method of complex wavelet transform can effectively suppress the periodic narrowband interference from GIS UHF PD signals.
本文通过对复小波的研究发现复小波变换的相位信息能用于频率检测和谐波分析,提出了基于复小波变换相位信息的频率和谐波检测新算法。
A novel method is proposed in this paper by research on complex wavelet, in which phase information of complex wavelet transforms is used to detect frequency and harmonics.
将对偶树复小波变换应用于图像去噪,可以更好地表示图像的边缘和纹理特征,从而得到较小波更好的去噪效果。
The image denoising method is proposed based on dual tree complex wavelet transform, which can do better both in features preserving and noise removing.
提出一种基于优化多带复小波变换的MC-CDMA系统,研究了其在多径瑞利衰落下的性能。
We propose a MC-CDMA system based on the optimized multiband complex wavelet transform (MBCWT), investigate the system performance in multipath Rayleigh fading channel.
采用复变函数法和多极坐标方法,研究了弯曲波对含有多圆孔薄板的散射问题。
Scattering of flexural waves by multiple cutouts and dynamic stress concentration in the thin plates were investigated in terms of the complex variable function method and multi-polar coordinates.
最后,在上面工作的基础上,提出了基于对偶数复小波域的图像的颜色和纹理特征的描述和提取方法。
Finally, based on the work of above, proposed a method of description and extraction image color and texture features in the dual tree complex wavelet transformation domain.
本文采用多极坐标和复变函数方法针对半无限空间中P波在一衬砌周围的散射问题提出了一种近似求解分析方法。
The multi polar coordinate and complex function are used to put forward an approximate analysis method for scattering of steady P wave around a circular lining in half space.
方法利用“虚拟盒计数法”方法采集血膜中的细胞分布数据信号,然后进行小波变换结合复倒谱分析方法处理。
Methods "Virtual Box count" method was used to collect blood cell membrane signals, which was subsequently processed using the wavelets transform combined with the complex cepstrum analysis method.
根据应力波理论和复变函数方法,建立了求解爆破地震波作用下任意形状洞室动态响应的解析方法。
In terms of stress wave theory and complex function, analytical solution for the interaction between blasting seismic wave and arbitrary shape underground Chambers is deduced.
本文报道在叶绿素溶液中用简并的四波混频得到位相复共轭后向反射波的首次实验。
In this paper, the first experiment of generating the phase conjugated backward wave by degenerate four-wave mixing in chlorophyll solution is reported.
针对离散小波变换具有平移变化性和弱方向性的特性,本文提出了一种基于双树复小波变换(DT- CWT)统计模型的医学图像纹理检索方法。
Presents a novel texture retrieval approach of medical images based on statistic model by Dual-Tree Complex Wavelet Trans - form (DT-CWT) for the shift sensitivity and poor directionality of DWT.
本文利用复变函数方法求解无限的各向异性介质中入射SH波对圆孔的散射问题。
In this paper, the method of complex variable function is used to solve the scattering problem of a circular hole by SH wave in an anisotropic medium.
通过在平面波谱域中比较复射线束叠加场和标准解的方法,导出了球面波和柱面波的复射线束展开系数公式。
In this article, we derive complex expansion formula of spherical and cylindrical waves by comparing the stacking field of complex ray and the close-form solution in the plane spectral domain.
介绍了二级光谱的基本原理,给出了波差法设计复消色差物镜的方程组。
The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.
采用波差法进行复消色物镜的光学设计。
Optical design of apochromatic objective used wave disparity method in this paper.
生理学认为T波倒置这一常见临床症状的成因是心肌复极过程的异常。
A physiological theory holds that the abnormality of process of myocardium repolarization brings upset of t wave, which is a common clinical symptom.
该方法构造的复值小波具有频率局部化性能好、取故障信号特征分量较准确的优点。
The complex wavelet functions constructed by means of this method have advantages of good performance in frequency localization and better veracity in extracting characteristic parts of signals.
结果表明,波的传播速度并不等于能流速度,而与复群速度的实部近似相等。
The results show that the propagation speed of the wave is not equal to the speed of energy flux, but nearly equal to the real part of the complex group velocity.
利用复变函数和波函数展开法,对稳态SH波在含有圆形孔洞的无限弹性压电介质中的散射与动应力集中问题进行研究。
Scattering of steady_state SH_waves and dynamic stress concentration are studied with circular holes in piezoelectric medium under incident antiplane shear wave loading.
采用复变函数法研究了含有部分脱胶的浅埋圆柱形弹性夹杂对SH波的散射与地震动问题。
The scattering of SH-waves by a shallow buried cylindrical elastic inclusion with a partially debonded curve in half space is studied by function of complex variable method.
评价吸波效能的主要参数是损耗因子、复介电常数、复磁导率。
The important parameters for the wave absorption effects are electromagnetic loss factor, complex dielectric constant, complex magnetic conductivity.
用复频域分析法求出试验电流作用以后的阻波器上的过电压的函数。
To make the over voltage Vs time function of line trap at short time current test by complex frequency field analysis is introduced in this paper.
建议了一种基于复解析小波变换的瞬时频率分析齿轮故障振动信号的方法。 该方法将希尔伯特变换与小波变换相结合,具有自适应分析能力。
A method using transient frequency based on complex-analytical- wavelet-transform, which combines Hilbert transform with wavelet transform and possesses adaptive analytical ability, is proposed.
建议了一种基于复解析小波变换的瞬时频率分析齿轮故障振动信号的方法。 该方法将希尔伯特变换与小波变换相结合,具有自适应分析能力。
A method using transient frequency based on complex-analytical- wavelet-transform, which combines Hilbert transform with wavelet transform and possesses adaptive analytical ability, is proposed.
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