本文介绍了三角网按方向条件观测平差的电算程序中,应用极坐标条件式的新方法。
In the adjustment program of triangulation net by directional condition observation, to apply the formulas of polar coordinate condition is a new way.
循环的下一部分控制像素坐标的设置,条件是当前时间帧在起始帧之后。
The next loop section controls setting pixels coordinates only if the frame at that position is greater than the start frame.
如果升序排序匹配x坐标的当前值,则设置右击(right - swipe)条件。
If the ascending sort matches the current value of X coordinates, the right-swipe condition is set.
建立了适体坐标系下的离散化控制方程组,采用附加源项法对控制方程组的能量和动量边界条件进行了离散。
The additional source term method is utilized to discretize both energy and momentum boundary conditions and the discretized governing equations in body-fitted coordinates are established.
并根据实际情况,采用了圆条件坐标杀伤概率的方法判别目标毁伤情况,最后给出了计算步骤。
According practice instance, the method of estimating target damage degree is presented using warhead coordinate damage probability in the round condition.
在使用弹道积分方法求取弹丸飞行弹道坐标时,起始发射条件的准确性至关重要。
When using the ballistic trajectory integral method to obtain the ballistic coordinate, the precision of initiative shoot condition is vital.
该方法基于势流理论,考虑门桥的漕渡速度和水流速度,通过坐标变换,确定了速度势的适定性条件。
Based on potential flow theory, current velocity and ferrying velocity is considered. Confirmative conditions of the velocity potential are established by means of transforming coordinates.
将有限差分法应用于流动方程及叶片方程的求解,采用贴体坐标系统处理边界条件。
The flow equations are solved using finite difference technique. Using body-fitted curvilinear coordinate system treats the boundary conditions.
运用坐标方程和齿廓不干涉的条件,验算单波谐波传动齿廓的干涉。
The coordinate equation and noninterferential condition of tooth profiles are used to calculate interference of tooth profiles of the single wave harmonic drive.
实践证明,本方法不仅可以减弱外界条件引起坐标系变化误差的影响,还可以进一步减弱仪器误差,提高作业效率。
The practice shows that this method not only may decrease reference frame error caused outside condition but also weaken errors of theodolite and improve efficiency.
这种处理方案,是曲线坐标生成技术的一个直接应用,它可以使可边界条件得到精确满足。
The boundary conditions can be satisfied correctly when we apply this technique, so the accuracy of numerical solutions would make a great improvement.
文中给出了流函数方程及边界条件的坐标转换形式和离散格式,采用了强隐式(SIP)迭代法,分别对具有弓形和半弓形突体的直管进行了计算。
In this paper, the transformed forms of the flow function equation and boundary conditions and their difference expressions are given, and Strongly Implicit Procedure (SIP) iteration is used.
由单元坐标和条件所定义的单元的字体标记。
The font flags of the cells defined by the cell coordinates and condition.
介绍了在缺乏坐标磨床及线切割机床精度不足的条件下,加工制造一副精度较高的多工位级进冲模。
Methods of manufacturing precision progressive die with low accuracy line-cutting machine and no coordinate grinder was introduced.
本文结合课题要求,主要讨论了在现有条件下在动坐标基准下如何处理GPS数据和弱约束条件下如何提高测姿精度的问题。
This paper combining the project request, mainly discuss under the condition of moving coordinate how to handle GPS data and under weak restrictions how to improve the attitude accuracy.
针对拟谱方法在极坐标下遇到的坐标奇异以及压力边界条件难处理等问题,提出了一种新的基于极坐标系下的拟谱方法。
A new pseudo-spectral method based on polar coordinate system was presented to resolve the difficulty in the coordinate singularity and treatment of pressure boundary conditions.
在均匀格点的基础上,给出了基于柱坐标的全矢量非均匀格点有限差分方法(FDM),并采用了完美匹配层(PML)边界条件。
A general formula is derived for a finite-difference method (FDM) with non-uniform grids in a cylindrical coordinate system, and a perfectly matched layer (PML) is used for the boundary treatment.
忽略作物生长高度,建立了单目视觉条件下,从图像坐标系到作物生长平面坐标系的转换模型。
The translation model between image and crop row coordinate under monocular vision was set up, ignored the height of row crop.
本文讨论了参数方程和极坐标方程表示的曲线的对称性,给出了判定这两种曲线的对称性的充分条件。
In this paper, the symmetry of curved lined given by parametric equation and polar coordinates equation is discussed and the sufficient conditions are given.
该标定方案直接优化摄像机相对于世界坐标系的旋转角度,因此能够在获得精确解的同时,保证旋转矩阵的正交约束条件。
Because the calibration method directly optimizes the camera rotation angles relative to the world coordinate system, it ensures the orthonormal constraints as well as the precise solutions.
在给定分段节点横坐标的条件下,通过确定系数矩阵和反求曲线顶点,基于最小二乘法推导出最优节点的纵坐标公式。
The optimum knots ordinate formula in the least square sense is derived by computing coefficient matrix and curve vertexes under the specified subsection knots abscissas conditions.
求解的方法是采用曲线坐标变换,两次求解相应的调和方程,推导出解的一般形式。然后利用边界条件确定通解中的待定常数。
The general solution for this plate is obtained by solving the corresponding harmonic equation twice with the help of the curvilinear coordinate transformation.
具体推导了柱坐标下的有限元列式,并给出了周期对称边界条件的处理方法。
FEM formula in the cylindrical coordinates system is derived and the methods of dealing with the periodic symmetric boundary coordinates are given.
该算法用TCA描述齿面坐标,能自动适应齿轮副任何瞬时转角位置:并在形成整体坐标时考虑了安装条件的变化;
The tooth surface is described by TCA method. The model can be put into any angular position of gear. The change in mounting condition is also considered in the global coordinate.
摄像机标定作为视觉测量的首要条件,旨在建立图像坐标与空间坐标的关系,摄像机标定实质上是确定摄像机内外参数的一个过程。
As primary condition for visual measurement, camera calibration is focused on how to build the relation between image coordinates and spatial coordinates.
然而,局部解析坐标变换方法需要满足在两个相邻界面之间存在一条水平直线的介质可分性条件。
In this paper, an analytical local orthogonal. coordinate transform and an analytical equation transform are constructed to flatten the interfaces and change the Helmholtz equation as a solvable form.
在柱坐标下从微分波动方程出发,推导柱面光波的场分布,并利用远场近似条件导出当线光源与光轴成任意角度时,在垂直光轴方向的参考面上的复振幅表示。
The expression of complex amplitude is given in reference plane vertical to the optical axis by far-field approximation when the line source and the principal axis are at any Angle.
利用球坐标系中的二维潮波方程组,以T/P卫星沿迹分析结果为开边界条件的边值法,计算了黄海中的一个四边形区域。
Under the spherical coordinate, the boundary value method using the along track estimates of(T/P) satellite as open boundary conditions is applied to establish tide models in the Yellow Sea.
针对光照条件不好的图像,提出了一种先旋转坐标轴,后双向重建的算法。
For the images of bad light conditions, propose an algorithm which first rotates coordinates and then bi-direction reconstruction.
具备条件的企业集团选择整体上市可以进行SWT0分析,找准自己的坐标定位,利用优势,把握机会。
Conditions listed enterprise groups can select a whole SWT0 analysis, identify the coordinates of their location, use of advantage, and grasp the opportunity.
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