查询词典 two dimensional

This algorithm is based on two dimensional discrete Fourier transform (2DFT).

该水印算法基于二维离散傅立叶变换(2DFT)。

Through careful analysis of the mathematics model of daily dispatching optimization of the cascade hydropower station, a new method based on the combination of two dimensional dynamic programming and discrete differential dynamic programming is proposed.

通过仔细分析梯级水库日优化调度的数学模型，提出了一种基于二维动态规划和离散微分动态规划相结合的混合求解策略，该策略理论上严谨，计算时间比较短，能满足日常调度的需要。

In this paper, we obtain a new result in view of the definition of the dependence of two dimensional discrete random variable, and give applications about it.

在二维离散型随机变量独立性定义的基础上，得到二维离散型随机变量独立的一个新的判断定理，并给出相关的应用。

PSNR.-images of two-dimensional discrete wavelet transform, transform Series is greater than or equal to 3, and reconstructi...

对图像进行二维离散小波变换，变换级数大于等于3级，并进行重构，最后计算重构图像的峰值信噪比

Objective To discuss the feasibility of two-dimensional distraction osteogenesis of mandible of goat by using a novel distractor invented by us.

目的：探讨用自行研制的内置式二维牵张器在山羊下颌骨上进行二维牵张的可能性。

The cold two-phase flow predictions are compared with the PDA (3-Dimensional Laser Phase Dopper Analyzer) measurements. General agreement is made between the calculated results and test data.

采用三维激光相位多普勒分析仪对冷态模型内气固两相流场进行了测量，实验结果与冷态两相流动的模拟结果基本一致。

Using two-dimensional signal vectors, the process of Doppler shift modulation and demodulation ...

文中从二维信号矢量的角度分析了多普勒频移调制和解调的过程，推导出提取速度信息的信号处理方法。

The use of ANSYS finite element software to establish a large-scale Decanters double cone angle of the two-dimensional finite element model of the drum to its normal working condition in the overall structure of static analysis, has been the drum of the radial, axial deformation and stress distribution and maximum stress points, results show that the double cone angle drum strength and stiffness to meet the requirements to verify the safety of the structure of double cone angle.

利用ANSYS有限元软件建立了大型卧螺离心机双锥角转鼓的二维有限元模型，对其在正常工作状态下的整体结构进行了静力分析，得到了转鼓的径向、轴向变形和应力分布及最大应力点，结果表明双锥角转鼓的强度和刚度均满足要求，验证了双锥角结构的安全性。

For example , to model the sound of a drum , there would be a formula for how striking the drumhead injects energy into a two dimensional membrane .

举例来说，对于模拟鼓声，将有一个公式阐明敲击鼓面加添能量到二维的膜。

It is demonstrated that there is only a two dimensional Fourier dual space in the problem of scattering-inverse scattering.

指出在散射一逆散射问题中，只存在两维傳氏对偶空间。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。