差

There are many reports in the first type and these reports mostly base on fra...

前者主要采用帧间差分法和背景差分法。

In the third chapter,the Lévy-Feller advection-dispersion equation describing anomalous diffusion,with asymmetric fractional derivative,is considered.

更多程不同的是，在三维情形中，分数阶导数的复杂性使得在构造差分格式时所添加的摄动项也非常复杂，由此所构造差分格式的理论分析也变得比较复杂。

The frequency transition function and the method of signal detection are the key technologies in this system.

摘要该文介绍了一种新型短波跳频通信技术——差分跳频，频率转移函数设计和信号的检测方法是差分跳频中的关键技术。

Finite difference method is adopted in this model to analyze the temperature distribution and fulgurite resistance of a fuse.

针对所提出的简化模型，用直接差分法进行数值模拟，设计出用直接差分法进行数值计算的通用程序，实现了温度分布和弧后残躯电阻的数值分析。

The full-wave and half-wave Fourier transform algorithms are studied in their similarities and differences, and then applied to the same data for emulation test.

理论分析了全波差分傅氏算法和半波差分傅氏算法的异同。并采用这2种算法对同一组数据进行仿真验证。

The theoretic analysis and the practical application prove that using full-wave Fourier transform algorithm in line difference protec

通过理论和实际两方面的对比总结出，对使用矢量同步方法的线路差动保护采用全波差分傅氏算法后可以大大减小谐波带来的同步误差，提高保护装置的可靠性。

Main contents of the thesis include point and edge extraction based on least-squares template matching; space circle template matching and reconstruction; outlier detection and elimination with fundamental matrix and trifocal tensor; improvement of Homography-based calibration technique, 2D-DLT and bundle adjustment based non-metric camera calibration technique with planar-scenes, point-line hybrid photogrammetry and visual inspection.

本文的主要研究内容包括影像格网点与直线段的自动最小二乘模板匹配；基于物方直接解的空间圆匹配与重建；利用基本矩阵和三视张量进行观测值粗差的剔除；同形矩阵摄像机标定算法的改进；基于二维 DLT 和光束法平差的非量测数字摄像机标定；点、线混合摄影测量模型与视觉检测精度分析等。

With the knowledge of linear algebra, general formula for arbitrary order Taylor finite difference has been derived. In this paper, the analysis of spectral property and computational error of arbitrary order TFD is presented in detail. Then it is applied into the numerical solution of Maxwell's equations. Stability condition and numerical dispersion relation are derived.

本文借助于采样定理，详细分析了不同阶Taylor中心差分格式的谱特性以及计算误差，并将任意阶Taylor中心差分格式用于数值求解麦克斯韦方程中，严格导出了稳定性条件和数值色散关系的表达式，引入了新的误差定义来衡量算法的好坏。

The generalized spectral density and its derivative can be used to capture various specific aspects of serial dependence.

广义谱密度和它的导数还可以被用来检验序列相依的各个方面，例如鞅差，条件同方差性，条件对称性，和条件等峰度性等。

Mahalanobis distance as one of the generalized square distance and an integrated guide line to describing multi-structure,can be more widely used in anomaly evaluation than the simple method which based on simple normal distribution.

建立在多元正态分布理论基础上的马氏距离，考虑了均值、方差和协方差三个参数，在异常评价中具有基于一元正态分布理论的单指标异常评价方法不可比拟的优点。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。