本文研究了串联差分及双路差分的白光干涉谱数据的基本处理技术。
The basic data processing techniques of tandem and two-path differential white light interfering spectrum were also included in the dissertation.
虽然已经注意差分的保辛,但沿切面积分再投影,仍带来许多问题。
The symplectic preservation of the finite difference scheme is considered, however, the projection operation onto the constraint manifold still brings problems.
它采用类似差分的方法从图像序列的多帧图像中检测出运动目标区域。
Motion object region is extracted from multi-frame images in image sequences by using similar difference method.
通过改进傅立叶有限差分的延拓算子,补偿了几何扩散损失引起的振幅误差。
We improved FFD extrapolation operator to compensate the amplitude difference generated by geometry diffusion loss.
考虑到视频序列图像具有帧间连续性,本文通过帧间差分的方法检测运动车辆。
According to continuity of gray-value of targets in inter-frame, the frame-difference method is proposed to detect the moving objects in this paper.
针对反向计算的如上特点,我们对对流项和扩散项均采取了中心差分的处理方式。
Therefore, the central difference to deal with both the convectional and the diffusion term was adopted.
数值试验证实hdea的DC有用差分的概率均低于HDEA0的相应差分概率。
The numerical analysis proves that the probabilities of the DC useful differential of HDEA are lower than those of HDEA0.
针对可见光图像背景下的运动小目标检测,提出了一种空时域联合差分的检测方法。
To detect small moving targets in complex visible image background clutter, the spatial-temporal difference method is presented.
该方法比起传统的使用帧间柱状图差分的方法,在实时性和直观性上都做得非常好。
It is shown to outperform the conventional technique that USES a histogram-based measure of frame difference. This approach performs very well in b...
在深入研究图像像素灰度差分的基础上,提出了一种新颖有效的自适应信息隐藏算法。
Based on the detailed study of image pixel-value differencing, a novel and efficient adaptive information hiding algorithm was proposed.
提出了一种新的基于双目视觉和灰度差分的粒径测量方法,并开发了相应的查询系统。
A new particle size measurement technique based on the binocular vision and the particle image gray difference was suggested and a corresponding inquiry system was developed.
基于完全互信息梯度表达式及得分函数差分的性质,提出一种在线频域盲解卷积块算法。
An online block algorithm for frequency domain blind deconvolution was proposed based on the complete mutual information gradient and the properties of the score function difference (SFD).
基于差分的火焰识别方法是根据运动目标的速度进行相邻帧或者隔帧差分以得到运动信息。
The method of flame recognition based on image difference detects the moving information by differencing two sequential frames or every two frames according to the speed of object.
本文研究如何在滤波的同时实现细节的保留,提出一种基于差分的细节保留自适应滤波算法。
In this paper, a technique of maintaining the details in filtering is studied and a detail-preserving adaptive filter algorithm based on difference is proposed.
通过分析纹理复杂度对图像隐写分析的影响,提出一种基于纹理复杂度和像素差分的隐写算法。
According to the analysis on the effect of the texture complexity on steganalysis, the authors proposed a data hiding algorithm based on texture complexity and pixel-value difference.
由于GIS中的栅格网络数据可以直接作为有限差分的网格,二维数值模型可用有限差分来求解。
As raster grid networks of digital elevation model in GIS can be used as the finite difference mesh, the continuity and momentum equations are solved numerically using the finite difference method.
用有限差分的方法分析了磁粉离合器在各种不同工况下的温度场分布,并设计了相应的计算程序。
Magnetic particle clutches distribution of temperature field at every different work condition was analyzed by finite difference method.
对车辆违章行为检测算法以及背景更新算法,我们采用了基于形态边缘检测和背景差分的算法进行检测。
In traffic peccancy detection and algorithm of background updating, we employ the vehicle detection technique based on morphological edge detection and background difference.
流场求解时采用中心差分的有限体积方法对空间通量项进行离散,采用显式推进方法进行时间方向的积分。
The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver.
同时在此基础上提出了基于二阶差分的GM(2,4)灰色预测模型,仅用少量的历史数据即可进行预测。
The output value is predicted accurately under the given various investment data. Especially, GM(2,4) model is studied to predict only by a few of history data .
为在压气机整机进入深度失速前检测到失速起始信号,提出了一种基于平均数值差分的短周期扰动检测方法。
To detect stall inception signal before the whole compressor running into deep rotating stall, a method based on averaged numerical difference is developed to detect short length scale disturbance.
本文利用布尔差分的性质,给出了一种不同于传统的求组合逻辑线路故障测试码的新方法,对故障测试有一定的简化作用。
The properties of Boolean difference are made use of to derive a new method for fault testing in combinational logic circuits. This method is simpler and different from the traditional one.
采用双参数地基模型来改进温克尔地基模型,并用有限差分的方法求解任意荷载下条基的微分方程,得到便于工程计算的线性方程组。
Take double parameters foundation model to improve Winkler model, and use finite difference method to resolve linear basis under columns and get linear equations which could be easily used in works.
软件设计部分,针对运动目标的检测跟踪各种跟踪方法,详细研究并实现了基于时间差分的运动目标检测方法,完成了系统整体软件设计。
Part of software the motion target detection method based on timing difference has been researched, the software design has been completed.
在考虑网络中用户的路径选择行为满足概率型随机平衡的条件下,给出了交通网络设计的双层规划模型,同时设计了基于差分的启发式求解算法。
On the condition that the stochastic equilibrium restraints are satisfied as the network clients select the path, the author presents bilevel planning model for traffic network design.
该算法利用视频序列中各帧的四方向差分直方图度量隐写对空间相关性的影响,同时利用相邻帧帧间差分的直方图度量隐写对时间相关性的影响。
The algorithm uses a difference image histogram of four directions to measure the influence of spatial correlation, and temporal correlation is measured by the histogram of frame difference.
对有限元和有限差分的数值计算提出了井孔奇点修正和以沟代井列的计算方法,从而提高了离散化网络的计算精度,并可简化取代三维问题为二维。
The method for correction of singular points of wells and the calculation method of well row replaced by a ditch in the numerical FEM and FDM computations were proposed in this paper.
接着,简要介绍了基于声波高阶差分的多次波正演模拟方法,分析了这种方法的数值频散问题,包括时间和空间频散,同时给出了它的稳定性条件。
Then the article discusses forward modeling based on acoustic wave higher difference, then analyzes numerical dispersion including time and spatial dispersion and presents its stability conditions.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性;采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性;采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
应用推荐