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wave decomposition     
相关语句
  波分解
     The Local wave decomposition method is used to suppress the cross-term for multiple signals in higher order time-frequency distributions and the simulated results are satisfactory.
     针对高阶时频分布分析多分量信号时存在交叉项的问题,提出了一种利用局域波分解来减少Wigner高阶矩谱交叉项的方法,以仿真信号为例,验证了此方法的有效性;
短句来源
     Elementary Wave Decomposition on Arbitrary Wave Surface
     任意波面的基元波分解
短句来源
     This paper performs one-way wave decomposition for 3D wave equation, and 2 kinds of high approximation of up-going wave equation in low order differential equation system are derived.
     对三维波动方程做单程波分解 ,给出了用低阶偏微分方程组逼近上行波方程的 2种高阶近似表达式 .
短句来源
     The fractal features of decomposed modes of the common faults of a rotating machine were analysed by the principle of local wave decomposition, which was a novel method for fault diagnosis of a rotating machine.
     根据局域波分解原理 ,分析了旋转机械常见故障信号局域波分解后的各模式分量的分形特性 ,提出了一种应用局域波分解和分形技术对旋转机械进行故障诊断的新方法。
短句来源
     The Improvement in the Method of Response Coefficient for the Temperature with Rectangular Wave Decomposition
     温度按矩形波分解的反应系数法的改进
短句来源
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  波浪分裂
     Numerical analysis of wave decomposition over submerged breakwaters
     潜堤上波浪分裂现象的数值分析
短句来源
     The results show that the model can simulate the higher harmonics generated on the front slope and the wave decomposition behind the breakwater to analyze the strongly nonlinear wave characteristics.
     结果表明:该模型能很好地模拟坡度不同的潜堤前坡上高次谐波的产生和堤后波浪分裂现象,可用于求解二维强非线性势波问题。
短句来源
  小波分解
     1. Since Local wave decomposition and wavelet decomposition have many similarities, detail researches have been done to compare their similarities and differences both in theory and in application — one and two dimension decomposition, singularity detection, data compression and time-frequency analysis, which offers an new idea for further study on local wave.
     (1) 根据局域波分解与小波分解的相似性特点,总结了局域波分解特性,比较了局域波和小波分解在理论及应用领域——一、二维信号分解、奇异性检测、数据压缩、时频分析等方面的异同,为局域波的深入研究提供了思路。
短句来源
  “wave decomposition”译为未确定词的双语例句
     Tau-p Transform and Plane Wave Decomposition
     Tau—p变换和平面波分解
短句来源
     The Application of Plane Wave Decomposition Method in the Analysis of Shell Structures
     平面波分解法在薄壳结构分析中的应用
短句来源
     Application of Local Wave Decomposition and Fractal Dynamics to Fault Diagnosis of Rotating Machinery
     局域波分形动力学在旋转机械故障诊断中的应用
短句来源
     A meaningful instantaneous frequency for complicated signals can be obtained by the local wave decomposition method based on the Hilbert transform.
     基于Hilbert变换的局域波法 ,能得到信号有意义的瞬时频率。
短句来源
     In this paper, the basic principle of τ-p transform is reviewed and the relationship between τ-p transform and plane wave decomposition is discussed in detail.
     本文回顾了τ-p变换的基本原理并详尽地讨论了τ-p变换和平面波分解的关系。
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  wave decomposition
By use of the method of plane wave decomposition this partial differential equation is transformed into an ordinary differential equation.
      
It is shown that, despite a nonlocal form of the quasipotentials, the three-dimensional equations for the wavefunctions can be reduced to the one-dimensional equations using the partial wave decomposition.
      
As a second approach we use a more refined numerical technique based on vectorial plane wave decomposition with periodic boundary conditions, which we formulate to include material anisotropy.
      
A method for wave decomposition in computations for nonlinear dynamical three-dimensional towing systems
      
A method to obtain rotation based on direct differentiation of the random field is proposed with a reference to a second method based on wave decomposition.
      
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This paper presents a fundamental solution for shallow shells with an arbitrary quadratic middle surface by the method of small parameters through plane wave decomposition of the eighthorder partial differential equation of the shells.Based on the solution thus obtained, the Green's functions for the deformations and internal stresses of infinite shallow shells with an arbitrary quadratic middle surface have been obtained. These can be used in the Boundary Intergral Equation Method for analyzing such shells...

This paper presents a fundamental solution for shallow shells with an arbitrary quadratic middle surface by the method of small parameters through plane wave decomposition of the eighthorder partial differential equation of the shells.Based on the solution thus obtained, the Green's functions for the deformations and internal stresses of infinite shallow shells with an arbitrary quadratic middle surface have been obtained. These can be used in the Boundary Intergral Equation Method for analyzing such shells with arbtirary boundary conditions under arbitrary loadings. This method needs much less computer storage and computer time of analysis than the conventional Finite Element Method.

本文对任意二次型双曲面扁薄壳的八阶偏微分方程采用平面波分解和小参数法导出了它的基本解。 在基本解的基础上,本文还得出边界为无限大时薄壳在集中荷载作用下的格林函数,适用于以边界积分方程法来分析具有任意边界条件的这类薄壳结构在任意荷载作用下的位移与内力,与一般有限单元法相比,它能较大的地节省计算机的内存和缩短分析时间。

In this paper, the method of response coefficient in terms of rectangular wave decomposition is improved; therefore the calculation results are made more precise.

本文改进了按矩形波分解的反应系数法,从而提高了计算精度.

2-D seismic lines along a major fault can not be used to ascertain the structural configurations at the two sides of the fault because fault surface waves and diffractions interfere with reflections severely. Wide line profiling along the fault line favours ascertaining the structural configurations at the two sides of the fault because of its higher S/N ratio and convenient spatial wave decomposition. The processing and interpretation of wide line profiling seismic data can offer many informations such...

2-D seismic lines along a major fault can not be used to ascertain the structural configurations at the two sides of the fault because fault surface waves and diffractions interfere with reflections severely. Wide line profiling along the fault line favours ascertaining the structural configurations at the two sides of the fault because of its higher S/N ratio and convenient spatial wave decomposition. The processing and interpretation of wide line profiling seismic data can offer many informations such as the horizontal position and depth of reflecting point,the strike and true dip of formation,etc. The structural configurations nearby the fault can be clearly mapped. In Y area where several year's explorations had been done but no success gained,the structural configurations were ascertained by ma- king use of wide line profiling,then high oil product was gained.On the basis of this successful exploration experience,the author put for- ward the field operation and data interpretation methods of 6-fold 4-line wide line profiling.The good future is foretold of wide line profiling in researching into complex geological structure.

沿断层布置的二维地震测线,往往由于反射波,断面波和绕射波的相互干涉,无法查清断层两侧的构造形态。沿断层布置的宽线剖面,有利于查清断层两侧构造形态,因为宽线剖面有较高的信噪比,便于波的空间分解。对宽线剖面作进一步的处理和解释,可获得地下反射点的平面位置、埋深、地层走向及真倾角等信息,并给出断层附近的构造形态。在多年勘探没有进展的 Y 区,采用宽线剖面后,查清了构造形态,获得了高产油流。根据该区勘探经验,作者提出四线六次覆盖的宽线剖面简易施工及资料解释方法,并指出应用宽线技术研究复杂地质构造的前景。

 
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