查询词典 decomposition

The principles of suppressing random noises with K-L transformation in wavelet conversion domain are that 1 wavelet decomposition is carried out on seismic signals to form wavelet packet sections in time sharing and frequency division, 2 K-L transformation is utilized to remove noises on sections, and 3 the de-noise wavelet packet sections are reconstituted into seismic sections to remove random noises.

介绍了小波变换域K-L变换压制随机噪声的基本原理，即先将地震信号进行小波分解形成分时分频的小波包剖面，然后用K-L，变换对小波包剖面进行去噪，再将去噪后的小波包剖面重构回地震剖面，从而达到消除随机噪声的目的。

At present the main research and the application public key the system crypto-algorithm has two kinds: The RSA algorithm and the ECC algorithm, former based on the great divisor of integers decomposition difficult problem, latter is separated the logarithmic computation difficult problem based on the elliptic curve in.

目前主要研究和应用的公开密钥系统的密码算法有两种：RSA算法和ECC算法，前者基于大整数因子分解难题，后者基于椭圆曲线上离散对数计算难题。

Using the spectrum decomposition technique by discrete Fourier transform in short window a-chieves the object using imaging feature of tuning amplitude in frequency domain to study the regularity of lateral variation in reservoir and fully dig up seismic resolution capability in dominant-high frequencies of seismic data.

采用短时窗离散傅里叶变换的频谱分解技术，实现了在频率域内通过调谐振幅的成像特征来研究储层横向变化规律的目标，最大限度地挖掘了地震资料主频至高频端的地震分辨能力。

Birefringence, or double refraction, is the decomposition of a ray of light into two rays (the ordinary ray and the extraordinary ray) when it passes through certain types of ma ...

光在晶体中传播时，再不平行于光轴方向上，由于e光和o光传播速度不同，而出现两个不同折射率的光的像，这种现象叫做双折射现象。

In this paper, EDD is first utilized for interferential multispectral image data de-correlation, and a corresponding 2-D decomposition structure is presented as well.

本压缩算法首先利用经验数据分解方法去除干涉多光谱图像数据的相关性，并提出对应的二维多级分解结构。

The establishment of unexpected events of the public system, through which dealing with the disposal of the various specific and reasonable to all aspects of decomposition to ensure that the interaction between the different segments of convergence and effective operation, is the basic security for government to handle sudden major water pollution incidents calmly.

通过应对突发性公共事件的制度建设，把各种应对处置的具体事务合理分解到各个环节中去，确保不同环节之间的相互衔接和有效运行，是实现政府从容应对重大突发性水污染时间的基本保障。

Two methods for DOA estimation, Signal Subspace Approximation and Signal Eigenvector Decomposition , are presented.

提出了DOA估计的信号子空间近似和信号特征向量分解两种方法。

Even for a short time there will be some decomposition of electrolytic capacitor dielectric because of the lack of charging voltage.

即使关闭的时间不长，也会发生一些电介质分解，因为充电电压没有了。

The decomposition of δ-ferrite at 750°,850° and 950℃ in quenched 18/8/3/1Cr-Ni-Mo-Ti stainless steel specimens has been studied microscopically,thetransformation products being electrolytically extracted and identified by X-raydiffraction method.

应用金相法研究了18/8/3/1 Cr-Ni-Mo-Ti不锈钢经1300℃固溶处理后在950℃，850℃及750℃恒温分解初期金相组织的变化，并用电解分离及X射线衍射方法鉴定在不同恒温分解阶段δ-铁素体分解的产物。

Electromagnetic stirring and oscillation bath were used to prepare Pd/ catalyst for the decomposition of formic acid,and the effects of activated carbon modification and preparation methods to catalytic activity were investigated.

采用磁力搅拌法和水浴振荡法制备应用于甲酸分解的Pd/活性炭催化剂，研究了活性炭载体改性和制备方法对催化剂分解甲酸性能的影响。

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。