三维空间

The carriage positioning was finished, the coordinate transformation matrix of the bucket relative to the ground and the digging depth were obtained and it is easy to make the three-dimensional trace control of the hydraulic excavator bucket easy.

然后，推导该定位车体位姿下铲斗坐标系相对于大地的坐标变换矩阵，导出挖掘深度定位公式，实现了挖掘机挖掘轨迹的三维空间定位，为实现挖掘机的三维空间轨迹精确控制与挖掘深度控制打下了基础。

Presenting a theorem of one dimensional time multiplying ,also a demonstration to the theorem which says that Any point in 3 dimensional spaces of the universe at an certain universal moment possesses equivalent physical quantities of one dimensional time that is equal to total amounts of one dimensional time of the universe at same universal moment; Any point in 3 dimensional spaces of the universe at an certain universal moment , its possessed physical quantities of one dimensional time has an constant ratio with respect to one dimensional space , which is universally equal to space time impedance.

给出了一维时间增殖定理及其证明。该定理指出：在任意宇宙时刻，宇宙三维空间中任意一点具有的一维时间物理量量值均相等并等于在该宇宙时刻宇宙具有的一维时间物理量总量；在任意宇宙时刻，宇宙三维空间中任意一点的一维时间物理量的一维空间变化率均相等且恒等于时空阻抗。

All isotropic constants of regular polyhedron in a three dimensional space are given in this paper. The result shows that the guess is right in a three dimensional space.

给出了在三维空间中全部正多面体的迷向常数的数值，从而说明这一猜测对三维空间中的正多面体是正确的。

In the composition of the three-dimensional space of the market, technology and industry, according to their recency product innovation space could be divided into eight sub space. According to the external market environment and the level of technology, applying the choice of innovative products space model, this article analyses AJ company"s innovative products choice and technological innovation strategy, AJ company"s choose the 13 and 14.

在市场、技术和产业所组成的三维空间里按照他们的新旧程度可以将产品创新空间分为8个子空间，不涉及向其它产业的转变，所以创新产品的选择空间由三维空间变成了二维空间。

Since there is natural different of the kinematic density formula for pairs of intersecting lines in two-dimensional surface and three-dimensional space, the inequalities for double chord-power integrals have studied from two side of two-dimensional surface and three-dimensional space using chord-power intergral inequality. Schwarz inequality. Holder inequality and so on.

由于二维平面和三维空间上的相交直线偶的运动不变密度公式有着本质的不同，本文从二维平面和三维空间两个角度，利用弦幂积分不等式，Schwarz不等式，Holder不等式等不等式分别得到了一系列双弦幂积分不等式。

Meanwhile, this paper makes a rewarding attempt to analyze three dimensional Biots consolidation of saturated multi-layered soils in an uncouple state variables, namely, translating one set of state variables of 8 order into a simpler form including two sets of state variables of 6 order and 2 order, respectively, by introducing intermediate variables.

其次，本文还对横观各向同性层状饱和地基三维空间Biot固结问题的解法做了一些有益的尝试，即通过引入中间变量，将由原来8个耦合状态量表述三维空间Biot固结问题解耦为一组由6个耦合状态量和一组由2个耦合状态量表述的该问题相对比较简单的形式。

The multi-filter technique for recogn ition of three-dimensional targets is proposed in this paper,which is based upo n the principle of distortion-invariant correlation recognition.

本文基于三维空间目标不变性识别的原理，采用多滤波器并行处理和综合判断的光学相关检测技术，对三维空间目标进行识别。

According to the current status of the research of 3D spatial data model,a grid representation of 3D vector model is presented,which represents the 3D spatial structure by recording the key points couple on the 2D grid.

根据三维空间数据模型的研究现状，提出了一种三维矢量模型的栅格表示方法，该方法采用在二维栅格上记录关键点对的方法来表示三维空间结构，能够表达空间中存在复杂断层的情况。

For the theory, method and technique of 3D color information collected, the method for obtaining 3D space coordinate and color information of object with active illuminated multi-channel synchro scanning is presented, and the theory and method of 3D sensor and color sensor of calibration, which is the calibration techniques of BP neural network and linear partition and the method of integrating them, is also studied. A filament calibration target for 3D color system is designed and made. And the calibration of multiple sensors and the matching of 3D space coordinate information and color information, and the automatic matching of multiple sensors are realized with cameral calibration technique presented and filament calibration target designed.

在三维彩色信息获取的理论、方法、技术方面，提出采用主动照明的多通道同步扫描方法获取被测物体三维空间坐标和彩色信息，以BP神经网络、线性分区及其组合标定技术研究了三维传感器和彩色传感器标定理论和方法，设计并研制了用于三维彩色系统的细丝标定靶，并利用所提出的摄像机标定方法和细丝标定靶实现了多个传感器的标定、物体三维空间坐标信息与彩色信息的匹配及多传感器数据的自动匹配。

The method of prediction on stochastical simulating 3D parameter field of rock mechanics is brought forward in this paper. Namely, rock mechanics parameters- curve obtained by known and limited conventional log materials is took as inputs of hard data;and seismic attribute data body, hydrating of mud shale and rock environmental parameters data is took as constraint of soft data. By simulating stochastically through optimizing algorithm of Sequential Gauss Simulation,dynamical data field of rock mechanics parameter of three-dimensional space are gotten, then log response of rock mechanics parameters in position of any point in space is predicted.

提出三维岩石力学参数场随机模拟预测的方法，即以已知有限的常规测井资料计算出来的岩石力学参数曲线作为硬数据输入，以已知地震属性数据体及泥页岩水化和岩石环境参数数据作为软数据约束，选择序贯高斯模拟方法，随机模拟得到动态规律变化的岩石力学参数的三维空间数据场，然后由岩石力学参数的三维空间数据场预测空间任一位置的岩石力学参数在井上的测井响应，并把该反映动态规律变化的测井响应按照油田勘探开发的要求输出成特定格式，供生产和工程上使用。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。