Because fractal dimension can not respond to the orientation of the gray level images, an image orientation Angle estimating method is proposed by basic knowledge of vector algebra.
由于分数维不能反应灰度图像的方向性，本文利用矢量代数的基本知识，提出了一种灰度图像方向角的提取方法。
The basic principles and calculating method of measuring the Angle error of triple prism are presented.
本文论述了测量三垂面棱镜角度误差的基本原理和计算方法。
The basic character of a mass spring oscillate in small amplitude and small Angle is studded with an analytic method founded on nonlinear dynamics.
以非线性动力学理论为基础，用解析方法分析包括有质弹簧在内的弹性摆小振幅、小摆角的基本运动规律。
The available method for determining basic size of cam mechanism according to its allowable pressure angle is lack of appropriateness.
现有按许用压力角确定凸轮机构基本尺寸的方法欠妥。
This paper presents a calculating method for the edge of a new hob with straight groove and zero rake Angle. The original section edge of the said hob is on the surface of basic worm.
本文提出了对直槽零前角滚刀，原始截面刃形在基本蜗杆齿面上，其新滚刀刃形的计算方法。
This paper demonstrated the basic parameters and characteristics of laser beam, and introduced the basic principles and the devices used in the CCD laser divergence Angle measurement method.
简述了激光光束的基本参数及特性，并介绍了采用CCD进行激光发散角测量的基本原理和装置。
According to the allowed pressure Angle, this paper determines the disk CAM with translating followers basic circle radius and eccentricity by using the analytic method.
基于解析几何法导出的最大压力角表达式，导出了偏心凸轮机构和对心凸轮机构的基圆半径和偏距的计算公式。
According to the allowed pressure Angle, this paper determines the disk CAM with translating followers basic circle radius and eccentricity by using the analytic method.
基于解析几何法导出的最大压力角表达式，导出了偏心凸轮机构和对心凸轮机构的基圆半径和偏距的计算公式。
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