精度

Complex--valued kernel structure element frequency filtering morphological centroid scale--space image parallel processing system has been proposed and established, in which the complex--valued kernel structure element frequency filtering CGH was designed and made by the way of Burckhardt which could improve recording accuracy and reduce quantity noise.

提出并构造了复值核结构元频域滤波形态学矩心尺度--空间图象处理系统，其中采用编码精度高和量化噪声小的Burckhardt方法设计和制作了复值核结构元频域滤波器CGH模板，并对系统处理图象的面积、系统对CGH复位精度的要求进行了分析。

The accuracy of the algorithm and the analysis of the error is simulated by using digital simulation.

通过对算法的精度和误差进行了数字仿真分析，表明这种方案的精度较高。

Experimental results show that the corrected image meets the need of precision of the tube camber measurement system. And the method can easily be applied.

实验结果表明，该方法的校正精度较高，适用于管道弯曲度高精度的测量，而且易于实现。

A proposal of seting up a high accuracy positioning system for carrier rocket is presented.

本文提出了建立远距离高精度光学3R定位系统的设想，以实现对运载火箭的高精度轨迹测量。

A method for distant detecting and high accuracy tracking of carrier rocket is suggested,and the ablity of laser range finder is analyzed on the basis of high accuracy tracking.

文中结合运载火箭的特点，提出了实现光学远距离探测和高精度跟踪瞄准的技术途径，并以高精度跟踪瞄准为基础，分析了激光测距机的远距离测量能力。

To improve orientation accuracy of the cooperative objective object in 3D Cartesian space, an orientation method with subpixed accuracy was implemented, which establishes a base for the imlementation of accurate visual servoing operation.

为了提高合作目标三维空间定位的精度，采用了一种合作目标亚像素精度定位的方法，为视觉伺服进行精确的操作奠定了基础。

The specific catchment area is set as the calculated objective to be compared.

文中首先从SCA的定义出发，建立了SCA的计算表达式，然后构建了表达式已知的4种数学曲面模拟DEM，最后通过SCA的计算值和理论值的统计分析，定量地描述了5种路径算法所具有的精度，并从算法复杂度、时间效率、健壮性、存储结构、格网结构及流向计算精度方面对路径算法进行了综合评价。

The paper introduces the process of the design and check of generating chain drive precision for hobbing machine.

在正常操作条件下，滚切加工的精度取决于滚齿机的精度。

Model of water supply networks dynamic simulation is finished through analysis of parameter simulation and characteristic of big city.

深入分析了供水管网动态模型校核方法和影响模型精度的各种影响因素，探讨了简化模型校核过程的原则和方法，在深入剖析灵敏度分析法、解析法和解非线性方程组法等校核方法优缺点的基础上，提出了"最优化方法"作为供水管网系统动态模拟模型校核的基本方法，并以天津市供水管网170个实测点的实测数据对模型进行了校核，使模型达到了预定的精度要求，同时也证实了模型校核方法的适用性。

When to get the coefficients of polynomial directly,the ill-conditioned matrix may be produced and effect the precision of result.Using orthogonal polynomial can avoid this problem.This paper introduces 4 orthogonal polynomial.In our discussion,it is proposed to use Chebyshev polynomial and Legendre polynomial,they are easier to sa...

讨论4种常用正交多项式在拟合卫星轨道与时间函数时的适用性；通过计算实例说明利用切比雪夫多项式和勒让德多项式做数据拟合时具有很高的精度；分析得出评定多项式拟合数据精度的适用阶数，实际应用中可降低工作量，提高计算效率；最后讨论同一多项式阶数下不同历元数对拟合结果的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。