The routine wave superposition approach cannot be used in reconstruction and prediction of a coherent acoustic field, because it is impossible to separate the pressure generated by individual sources.
在相干声场中，很难将各个声源产生的声压分离开来，所以常规波叠加法不能用于相干声场的全息重建与预测。
The formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.
从光的菲涅耳衍射、波前相位重构入手，对连续信号进行了离散化处理，给出了数值计算公式。
The notion of truncated wave and the method for getting ideal fault wave in the fault reconstruction are proposed.
提出再现故障时的截波概念和获得理想故障波形的方法。
On the base of the lateral shear interferometry, different methods of shearing wave front reconstruction are described in this paper.
在横向剪切干涉技术的基础上，讨论了几种波面重建的方法。
Based on 1-d wave equation, a reconstruction algorithm of layered acoustic impedance profile has been established in this paper.
本文基于一维波动方程，提出了一种层状介质声阻抗剖面的重建算法。
The wavelet packet method characterized by good time-frequency localization can be used to make signal reconstruction and energy analysis of blasting vibration wave.
利用小波分析良好的时频局部化性质，可以很好地对爆破地震波进行信号重构和能量分析。
Study the international research in the field, it has used surface acoustic wave device or switched-capacitor circuits to realize wavelet transform and its reconstruction devices.
从目前国内外对该领域的研究状况来看，已经有应用声表面波器件及开关电容电路进行小波变换及重构器件的实现。
This paper describes a fast algorithm sub-block wave-front reconstruction.
本文提出了一种分块进行波前重构的快速算法。
Within the framework of exact scattering theory and under the wave zone condition, the image reconstruction is studied.
本文在严格的远区散射场的框架下，探讨了物象重建问题。
A new method of tomography reconstruction from Hartmann wave-front sensing is presented which combines wave-front sensing technique with computerized tomography reconstruction technique.
基于哈特曼波前探测的流场层析重建技术结合了光学波前探测技术和计算机层析技术。
The reconstruction of seismic wave-speed distribution is nonlinear.
重建地下速度分布是一个非线性问题。
It substitutes numerical reconstruction for optical method to reconstruct object wave fields by computer.
它是通过计算机用数字重现的方法代替光学再现重现物光波。
A new method of tomography reconstruction from Hartmann wave-front sensing is presented which combines wave-front sensing technique with computed tomography reconstruction technique.
基于哈特曼波前探测的流场层析测量技术结合了光学波前探测技术和计算机层析重建技术。
Based on the fast Fourier transform (FFT) algorithm, the wave-front reconstruction algorithm of Shack-Hartmann sensor is described.
提出了一种应用快速傅里叶变换算法提高哈特曼夏克波前传感器波前重构实时性的快速算法。
A real time holographic testing method of transparent objects by using the interference pattern formed by the reconstruction of the reference wave and the original reference wave is introduced.
介绍了实时全息术检测透明物的一种新方法，它采用物光再现的参考光和参考光通过全息图的直透光所形成的干涉图纹检测透明物体的变化。
The precise and frequency requirement is very important for wave-front reconstruction and control in an adaptive optical system.
自适应光学波前重构和信号处理对精度和速度要求很高。
The simulation and the experiment results demonstrated the precision of cross path integration techniques, Fourier transform integration and area wave-front reconstruction method.
通过计算机模拟和波面实际测量，对十字路径积分法、傅里叶变换积分法和区域波前重构法三种主要算法的重建精度进行了对比研究。
The algorithm calculated the wave front slope by a reusing core module manner and complemented the wave front reconstruction with the decomposition of matrix-vector multiplication.
该算法基于重复利用核心模块的方式完成波前斜率计算，利用矩阵与向量相乘的可分解性完成波前复原计算。
A new type of reconstruction and optimization excitation system based on chopped wave technique is presented.
分析了同步发电机交流励磁系统中存在的问题，提出应用斩波技术对其进行改造和优化。
The scheme includes optimizing the recording and reconstruction geometries and collimating the reconstruction wave with a gradient-index lens.
该方案包括优化记录和重现光路，以及采用自聚焦透镜准直重现光波。
The scheme includes optimizing the recording and reconstruction geometries and collimating the reconstruction wave with a gradient-index lens.
该方案包括优化记录和重现光路，以及采用自聚焦透镜准直重现光波。
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