查询词典 method of difference

Using Hwa-Lien and Wu-Feng-Shan radar data set respectively, the mean tangential wind component of Nock-Ten has been retrieved by original GBVTD method. It is found that the retrieved maximum mean tangential wind from HL is 14 m s-1 less than that solved by WFS data set. This large difference has been attributed to significant mean wind component perpendicular to the line connecting the radar and the typhoon center.

利用五分山和花莲雷达观测资料，分别透过GBVTD计算其轴对称切向风，结果显示，两座雷达计算之轴对称切向风最大值相差达14 m s-1，而这样的差异可归因於纳坦台风平均风垂直雷达观测分量较为显著所造成。

High order symplectic schemes of three-dimensional time-domain Maxwell's equations are constructed with symplectic integrator technique combined with high order staggered difference. The method is used to analyzing stability and numerical dispersion of high order time-domain methods and symplectic schemes with matrix analysis and tensor product.

利用辛积分技术与高阶交错差分技术，建立求解三维时域Maxwell方程的高阶辛算法；结合电磁场中的物理概念，借助矩阵分析和张量分析理论，获得高阶时域方法及高阶辛算法的稳定性和数值色散性的统一处理新方法。

So this paper proposes a new method for automatic coarse registration of triangular meshes, which is used to approximately align the 3D measured data (represented in the form of triangular mesh) and the tessellated mesh of NURBS surface (instead of using NURBS surface itself to reduce computation) from larger initial pose difference.

为此本文提出了一种全新的三角网格面自动粗略配准方法，用来大致对齐相对位姿偏差较大的三维测量数据与NURBS曲面的离散网格（为减小计算量起见，此处不使用NURBS曲面本身）。

Through an example, methods and steps having matrixing of common difference angle by total differential method are introduced.

通过一个实例介绍用全微分法进行角度公差换算的方法和步骤，它既简单又方便，在工程技术中得到广泛应用。

The total internal reflection and the system of photon scanning tunneling microscope are simulated using finite difference time domain method.

采用时域有限差分方法计算全内反射和光子扫描隧道显微镜系统。

Study of the transient response of one-dimensional PSD based on finite difference method.

一维PSD瞬态响应特性的有限差分方法研究。

The formulation of power system transient stability preventive control based on optimal power flow is presents in this thesis, in which multicontingency is considered. The infinite dimensions nonlinear optimization problem in which differential-algebraic equations are existed is changing into finite dimensions difference-algebraic equations by implicit trapezoid method.

建立了基于最优潮流的电力系统暂态稳定预防控制模型，通过隐式梯形法将含有发电机动态微分-代数方程和暂态稳定约束的无限维优化问题转换成有限维的常规静态最优潮流问题。

Considering the difference of earthquake intensities in both sides of the fault zone, artificial earthquake waves were simulated by trigonometric series method with different seismic peak accelerations. Then the seismic failure numerical analysis was carried out, the weak areas of seismic failure and their reasons were discussed particularly.

考虑到断裂带两侧地震强度的区别，采用三角级数法模拟人工地震波时选用不同的地震峰值加速度，然后对其进行地震破坏数值分析，重点讨论了桥梁地震破坏的薄弱部位及其破坏原因。

As to the saltative noise and the partial abnormal distortion in the adjusting procedure, a new borderline-looking method based on ratio difference is exploited. An improved median filtering is also adopted to smooth them. The experimental result proves the validity of this algorithm and smoothing process. The gained models accord with the need of virtual try-on system has a broad application future.

对于调节过程中可能产生的突变噪声及局部异常变形问题，提出了一种比例差异边界查找法和改进的中值滤波算法对其进行平滑处理，最后的实验结果验证了调节算法及平滑处理的有效性，生成的模型，符合虚拟试衣系统应用要求，具有较大应用前景。

This system uses the deuterium lamp as its blazed lamp-house, and makes mechanical turnplate in use of modulating light signal with two frequencies, which is drived by in-phase electromotor with constant velocity. A potomultiplier tube is used to conversion optical signal to electric signal. Using Lock-In Amplifiers to realize magnifying the metrical signal using difference method with two different frequencies. We also analyze its principle of each part of the apparatus and design the realization circuits of each part. The data analysis and the in-phase electromotor control circuits are fulfilled by SCM; the single chip control systems hardware interface and software design are given.

该系统的光路部分使用氘灯作为激发光源，用同步电机恒速驱动的机械盘调制出双频光信号，利用一个光电倍增管进行光电信号转换；信号处理部分采用锁相放大器实现信号双频差分处理，分析了其各组成部分的原理，设计了各部分的具体实现电路；使用单片机进行数据差分处理和电机控制，给出了单片机控制处理系统的硬件接口电路和软件设计。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。