| 1. | Surveying edge to calculate the front intersection fixed point coordinate method 测边解算前方交会定点坐标法 |
| 2. | Graphic method of determinning base point coordinate based on caxa in part nc programming 确定零件数控编程基点坐标的图解法 |
| 3. | It presents the rigorous method to calculate the intersecting point coordinate of the straight line with the parallel to the easement curve 提出了计算直线与缓和曲线平行线交点坐标的严密方法。 |
| 4. | The " method of grids identified in advance " and the " method of probe touching point coordinate adjustment " are recommended in this experiment . the measurement of bus model shows that the two methods are simple and efficient 测量中探讨了“网格预先标识法”和“触点初坐标调整法”等测量手段,经实际测量应用表明,这些方法简便有效。 |
| 5. | The usual method is , to find a sub - missile disper firstsion center first from each group data of the sub - missile ' s falling point coordinate , then to estimate the parameters according to a few data of dispersion center using the classical statistic method 通常的方法由每次试验的子弹落点数据获得一个子弹散布中心,再由少数的几个散布中心数据、运用经典的统计方法求散布中心的正态总体分布参数,其不足之处在于小样本条件下采伪的概率很高。 |
| 6. | To this problem a series of image rectification procedure which utilize geometric rectification theory in vehicle license recognition system are pointed out : we first locate vehicle license and execute the edge detection and binary conversion , then proceed calibration in which we use two calibration scheme looking for control point coordinate , one based on the hough transformation , the other based on image analysis method , and finally realize image correction in geometrical transform and bilinear gray interpolation method 针对此问题本文给出了一套将几何畸变校正技术应用到汽车牌照自动识别系统中的车牌图像校正方法:首先提取牌照信息,并对图像进行边缘检测和二值化的预处理;然后提出了基于hough变换控制点提取和基于图像分析法的控制点提取的两种实时标定方法;最后通过空间坐标变换和灰度插值完成图像的校正。 |
| 7. | Having great difference with the tradition structure , its outline is no - gradual - enlargement . the reason of rotator the key point coordinate and restriction , origin of the new coordinate system after transform , the angle of the rotator . transform of the key point between the new and old coordinate system , the rotator angle of coordinate system in ansys during the fem model come into being 本文讨论了非渐扩形结构指尖密封曲梁关键点坐标旋转的原因、旋转的约束条件,旋转后新坐标系圆心坐标的获得、旋转角度大小的确定、曲梁型线关键点坐标在新旧坐标系之间的转换及在ansys中建立有限元模型时坐标系旋转的原因及角度大小的确定等问题。 |
| 8. | The apsp produced abroad is made by numerical controlled machine tool , which has noise level of 71db ( a ) , the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ) . in order to analyze the influence of stator curve to noise , the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate , and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking , then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style , but compared with it , the stator transiting curve of apsp produced in exploratory has a major error . combining the testing results of noise , one can know that the qualily of stator transition curve play an importance to t he noise of the pump 国外生产的汽车动力转向泵是用数控机床加工的,其噪声值为71db ( a ) ,国内生产的汽车动力转向泵是用靠模方法加工的,其噪声值分别为73db ( a )和75db ( a ) ,为了分析定子曲线对泵的噪声的影响,本人用三坐标测量仪对定子内表面进行精密测量,获得定子内表面的离散点坐标,以matlab语言为工具对离散点进行曲线拟合,观察拟合效果,然后,用回归方法求出了定子过渡曲线的方程,并把该方程与理论方程标准型进行了比较,得出如下结论:用数控机床生产的汽车动力转向泵的定子过渡曲线方程非常接近理论5次曲线标准型,而用靠模方法加工的汽车动力转向泵的定子过渡曲线与理论5次曲线标准型相比较,则存在着较大的误差,结合噪声测试结果可知,定子过渡曲线的优劣,对泵的噪声大小有着重要的影响。 |
| 9. | In this paper , the location and machining of huge workpiece is discussed , some characteristic point coordinates can be obtained by using nc machine tool and measuring equipment , then position of huge wokpiece under machine reference frame can be acquired by computing measure point and according cad model point 摘要针对超大型工件的加工定位问题进行了探讨,提出了利用数控机床本身结合一定的辅助测量设备对加工工件进行测量的方法,然后利用测量点与理论模型体的对应点进行数据计算,从而快速确定工件位置。 |
| 10. | The arithmetic , which aimed at the character of object localization and tracking of robot vision system with one camera and based on characteristic color as object character and applied figure distinguishing arithmetic and object edge detection , completed object localization and tracking by obtaining position feature point coordinate on image plane 此算法针对单摄像机机器人视觉系统目标定位与跟踪的特点,基于特征颜色为目标特征,辅以形状判别算法和目标边缘检测,通过获取目标物体在图像中的位置特征点坐标,来完成对目标物体的定位与跟踪。 |