参数

Research on calibration of cameras based on cross ratio invariability ;2. Firstly,order radial lens distortion parameters are computed by using cross ratio invariability .

该方法利用透视投影的交比不变性原理标定镜头的畸变系数，基于摄像机成像的单应性矩阵及内部参数的基本约束，线性标定出其他摄像机参数。

On the basis of these studies, the statistical cross-talk noise model was successfully proposed and built.

通过分析互连几何参数波动对互连寄生参数的影响，得到其近似的函数关系表达式，在此基础上建立了考虑工艺波动的串扰噪声的统计模型。

Analyse the tooth geometry of Klingelnberg Cyclo-Palloid spiral bevel gear.,according to the relative position and kinematic relation of the cutter heads,virtual crown gear and the processed wheel blank,established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg Cyclo-Palloid spiral bevel gear, and drawing the three-dimensional graphs of the virutal crown gear and Klingelnberg Cyclo-Palloid spiral bevel gear according to the design and setting parameters.

根据铣齿加工中刀盘、摇台和轮坯的相对位置和相对运动关系建立了切齿啮合坐标系，由矢量的旋转推导了产形轮齿面方程；根据空间啮合原理和切齿啮合关系推导了被加工齿轮的齿面方程；由设计参数和铣齿调整参数计算得到齿面离散数据，绘制了产形轮和摆线齿锥齿轮的三维齿形。

Crystal parameters statements programming code examples to explain how the VB crystal statements show the parameters set!

水晶报表参数编程示例代码，讲解在VB下如何显示水晶报表的参数设定！

Second, the van der Waals type cubic equation of state was used to calculate the critical pressure of the binary systems. By introducing the temperature and acentric factor into the mixing rule of attractive part of the equation of state, a new expression was set up.

对实验数据和文献数据的计算结果令人满意，并按照无约束条件最优化得到了相互作用参数表达式的系数值，更加说明本文建立的相互作用参数表达式是正确的和有一定理论基础的。

At and , we can get a univariate cubic equation in and its three roots . By the dependence of the roots and the coefficients of the equation, we can choose corresponding space points ( such that the distance is the shortest from to the point with parameters and . Thereby we can get all the data of discrete points on the cubic curve of blending surface at . Again we denote the maximum value and minimum value of planar parameter with which meets by and respectively.

利用根与系数的连续相依性，可以选相应的空间点使其距离的圆截线上对应值的点最近的两个根，从而得到处拼接曲面的截线的离散点的数据并确定出与相截的平面参数的最大最小值类似地由处拼接曲面截线的离散数据得到处的离散数据，这样可以依次计算出拼接曲面上对应所有参数点的离散点的坐标。

At present transistor characteristic Picture device(JT-1 type)are maden wid-euse of measuring it's characteristic and parameter. But it needs user's transfer-ing and Calculating that measures triode direct current amplification factor β=It is not easy.

目前测试晶体管特性和参数，大都采用JT—1晶体管特性图示仪，它测试三极管参数直流放大系数β=，需要人工变换与计算。

Keywords: definition, curvilinear regression analysis, point sharpness method, modulation transfer function MTF

该评价方法评价参数可通过改进边缘锐度算法得到，然后与机测MTF值的变化趋势一起做曲线回归分析，以便和其他传统清晰度评价参数做对比。

Writer analyzed some process parameters affectmachining quality, including cutter, cutting dosage (federate, cutting deep, cutting width), advance and retract mode, finish machining row distance, cut mode, cut step excess and deviation etc.

作者对影响加工质量的一些工艺参数，包括刀具、切削用量(进给率、切削深度与宽度)、进退刀方式、精加工行距、走刀方式、工步余量与偏差等进行了分析，并对影响这些参数选择的因素进行了综合分析，得出了理想的选择方案和确定原则。

Other parameters are cylinder, sector and head which are the physical parameters

其他参数，柱面，扇区和头部的是物理参数

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。