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- Fourier integral transform 傅里叶积分变换
- By means of Fourier integral for analysis of plus mag netic field frequency spectrum.It provides relation of magnetic field with maxim um frequency. 利用付立叶积分对脉冲磁场进行频谱分析,讨论了脉冲磁场大小随所选择频率上限之间的关系.
- It is proved that the substitituon mapping is a proper Fourier integral operator with generalized hypoellipticity. 证明了变量替换映射是一个具广义亚椭园性的适的富里叶积分算子。
- The fundamental solution of three-dimensional piezoelectrics is derived using the Radon integral transform. 本文通过Radon积分变换,获得三维压电材料的基本解;
- On the basis of the definition of generalized hypoellipticity for Fourier integral operators in[6], in this paper fundamental properties of proper Fourier integral operators are found. 在[]定义了富里叶积分算子的广义亚椭园性概念的基础上,本文研究了适的富里叶积分算子的基本性质。
- The rationale of integral transform and quantization,which is based on DCT of 4*4 blocks,is presented and then is optimized. 首先介绍基于二维离散余弦变换(DCT)的4×4块的整数变换和量化的基本原理;
- On the basis of the definition of generalized hypoellipticity for Fourier integral operators in [6], in this paper fundamental properties of proper Fourier integral operators are found. 在[6]中定义了富里叶积分算子的广义亚椭园性概念的基础上,本文研究了适的富里叶积分算子的基本性质。
- Using the method of integral transform,semi-analytical solution for a pile response under exciting force in the head of pile is gained. 其次,采用积分变换法对该模型进行了求解,得到了在桩顶任意荷载激振下桩顶振动响应的半解析解。
- In chapter 8, basic properties on Fourier and Laplace integral transformations and important application for solving the problems of defining solutions on infinite region for P.D.E are showed. 第八章介绍了付里叶积分变换和拉普拉斯积分变换的性质及对求解偏微分方程无界区域定解问题的应用。
- Adopting the numerical inversion of integral transform, the dynamic response of soils under the gradually applied step loading and the sinusoidal loading is investigated. 利用数值积分反变换,并对特例情况下渐加阶形荷载、正弦波形荷载等荷载形式作用下土体的位移响应特性进行了探讨。
- Making use of integral transform,the paper gets the angular spectrum of a plane wave,gives a general method of diffraction problems and demonstrates it through an example. 利用积分变换,得到了平面波的角谱,给出了衍射问题的一般计算方法,并通过实例作了说明。
- Study the Fourier Integral Algorithm 傅立叶积分算法研究
- This paper presents analytical solutions to the partial differential equations for unsteady flow of the second-order fluid and Maxwell fluid in tube by using the integral transform method. 本文用积分变换方法分别给出了二阶流体和Maxwell流体管内不定常流运动方程的解析解.
- Further more, by use of a suitable integral transformation and the finite-part integral theory, a numer... 通过适当的积分变换,用有限部积分原理处理超奇异积分,建立该问题的相应数值算法。
- Electric resistance welding - Integrated transformers for welding guns. 摘要:电阻焊接。焊接枪用电源积分变压器。
- Fourier Integrals in Classical Analysis 经典分析中的傅立叶积分
- Complex Analysis and Integral Transform 复变函数与积分变换
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- As a foundation, the definition of elementary integral transformation and the method to factorize an integral matrix with elementary integral transformation is proposed firstly. 文中首先给出初等整数变换的概念,之后借助初等整数变换对整数矩阵进行分解,并在此基础上给出从加模S-不变量中求取不可达见证向量的方法。
- A Fourier transform does this, but with waves. 傅立叶变化就是这样,但是它是按照波的情况。