相应点

This new method mainly comprises three steps: firstly, normalize the point-gradient vectors and calculate the block-gradient vectors and the corresponding block-coherence; then detect the noisy areas to eliminate the side effect of noise diffusing; finally, re-estimate all block- gradient vectors based on iteration and transform the gradient field to orientation field.

提出了一种基于梯度的健壮的指纹方向场估计算法，新算法首先归一化点梯度向量并计算块梯度向量及相应的块一致性；然后估计噪声区域；最后采用基于迭代的方法，重新估计所有块梯度向量并将梯度向量场转化为方向场。

Taking Huaneng Dezhou Power Plant as an example, some causes leading to low insulation resistance to ground of the bus tube for QFSN3002 type generator have been analysed, and corresponding treatment methods being put forward.

分析了华能德州电厂QFSN3002型发电机汇流管对地绝缘电阻低的几点原因，并提出了相应的处理方法，应用此方法进行检查处理，有效地防止了这类事故的发生，为处理类似事故积累了经验。

The complexity of bodywork decides variety of it's error. The station and primary factor which cause error is inconstant change and using correlation analysis can find out the primary factor. With an project given, the theory of correlation analysis for dimension variation of bodywork is discussed through correlation analysis and the layer structure of the bodywork,the state in which the error happened can be found out. How to use eigenva...

车体装焊的复杂性决定了误差产生的多因素性，车体制造过程中产生误差的工位和主要因素是不断变化的，采用相关性分析方法从众多的误差根源中准确地发现最主要的误差源；结合工程实践，论述了车体尺寸波动的相关性分析方法的原理，根据测量点的相关性分析和车体焊接工艺的层次结构，可准确地找到产生车体尺寸误差的工位；讨论了如何利用相关系数矩阵的特征值和相应的特征向量判断尺寸波动的模式，指出测量数据的波动主要按最大特征值所对应的特征向量方式波动，引起这种波动的原因是车体误差产生的主要原因，应重点采取措施加以控制；提出了应用计算机进行相关性分析的解决方案。

From combining internal force calculation with design detailing, some calculation simplifications and hypotheses are first presented, then a calculation method and corresponding formulas of internal forces for elliptical spiral stairs are derived.

采取计算与构造相结合的方法，进行必要的计算简化和假定，在椭圆形旋转楼梯的内力计算时，把固定坐标变换成动点坐标，推导相应的计算公式。

The softening point of high temperature, plastic or higher to be appropriate.

胶的软化点高，胶温也要相应高些。

To overcome target expansion, shape transformation and occas ional frame lost due to the missile phase motion of television guided bombs , a modified weightˉrelated function, t arget tracking strategy, template updating and modifiˉ cation, and tracking point positioning method as well as a predict ion method to solve the frame loss of target were proˉ posed. Based on this, an improved weightˉrelated matching tracking a lgorithm was realized.

针对电视制导炸弹中弹目相对运动变化而导致的目标尺度变化、几何形变以及随机因素造成的暂短丢帧现象，文中对相关测度函数进行了基于弹-目距离的中心加权修正，提出了相应的模板更新与修正策略、基于线性预测的目标位置的预测方法、跟踪点的定位方法等，在此基础上，实现了基于加权相关的图像匹配跟踪算法。

The trailing edge of the fourth notch, which causes the pulse, is four degrees before top dead

产生的脉冲的第四凹槽的后缘，位于相应的活塞在前上死点4度的位置的位置上。

It was found that the spectra contained two intense components and a weak one; the long lived component corresponds to the positronium.

配合时域介电谱方法用正电子湮没技术对硫酸三甘肽的铁电相变过程进行了测量，发现正电子寿命谱有两个较强的成份和一个很弱的成份，后者相应于正电子偶素，各分量在相变点附近很窄的温区出现奇异性质，对其起因作了解

Objective To study the optimal BMI cut-off points for overweight and obesity of Shanghai children and its corresponding percentiles.

目的 探讨上海市男女童体质指数超重及肥胖最佳界值点及相应百分位。

From the result,the stress status evaluation based on geology dynamic division has important significance for the design and implementation of coal mining engineering. geology dynamic division ; geotectonic model ; stress status

本文对荆各庄井田岩体应力状态进行分析，并将结果应用于矿井巷道失稳分析和支护设计、矿山压力预测、沉陷预测等采矿工程的相关问题。1基于地质动力区划的岩体应力分析建立区域地质构造模型、岩性分布模型，根据已知点提供的地应力数据作为边界及加载条件，进行相应的理论或数值分析，是进行区域岩体应力状态

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。