conic相关论文
摄像机标定旨在建立三维世界坐标与二维图像坐标之间的映射关系。传统标定板为数十个整齐排列的标准圆或网格,通过提取圆心坐标或......
An authentication-secrecy code based on the rational normal curves over finite fields was constructed,whose probabilitie......
Expressions of insulin receptor and its related substrate genes in the muscleof C57BL/6J mice fed on
Objective: To investigate the influence of nutrients on the expression of insulin receptor and its related substrate gen......
This paper deseribes the results of computer simulation of pulsewidth dependence upon the physical parameters of a Ti:s......
您可能认为某种类型的光纤连接器同另外一种类型的一样好。您也可能认为一个供应商提供的连接器和另外一家的完全一样。但是,根据......
The classical RSA is vulnerable to low private exponent attacks (LPEA) and has homomorphism. KMOV based on elliptic curv......
We provide a way to precisely control the geometry of a SiN_x nanopore by adjusting the applied electric pulse.The pore ......
Application of Online Equipment for Measuring U and Pu Concentration in 1AP During the Bench Experim
A set of X-ray fluorescence analysis equipment for online measurement of uranium and plutonium concentration was designe......
Decoration of disclinations by solidification-induced band texture and focal-conic texture for a low
Two decoration techniques, solidification-induced band texture decoration and focal-conic texture decoration, have been ......
This paper studies the output tracking problem for a class of planar systems with some given transient performance const......
Conical cam mechanism has been widely used in modern machinery and equipment.However,the commonly used planar expansion ......
在圆锥曲线与方程[1]的开篇前言中,曾给圆锥曲线作了如下描述性的定义:如图1,用一个不垂直于圆锥的轴的平面截圆锥,当截面与圆锥的......
Correction method for non-landing measuring of vehicle-mounted theodolite based on static datum conv
During the non-landing measuring of vehicle mounted theodolite, especially under high-speed tracking measurement, the mi......
Mathematicians are constantly constructing and exploring the properties of abstract objects only because they find them ......
AIM:To represent mathematically the intersection between the ectatic corneal geometry and the plane of intracorneal ring......
AIM:To select the optimal edge detection methods to identify the corneal surface,and compare three fitting curve equatio......
Application of Hot Strength and Ductility Test to Optimization of Secondary Cooling System in Billet
By means of Gleeble-1500 dynamic thermomechanical simulator,the continuous casting process for HRB335C steel was simulat......
Nanofabrication of the gold scanning probe for the STM-SECM coupling system with nanoscale spatial r
Scanning probe is the key issue for the electrochemical scanning probe techniques(EC-SPM) such as EC-scanning tunnel mic......
Study of mutations of p53, APC and K-ras genes in 47 cases of intestinalmetaplasia of gastric mucosa
Objective:To study the role of the mutations of p53, APC and K-ras genes in 47 cases of 3 types of intestinal metaplasia......
Sound characteristics of viscoelastic coating containing periodic cavities by the finite element met
The finite element method (FEM) is applied to analyze sound characteristics of the viscoelastic coatings containing dou......
A new versatile camera calibration technique for machine vision using off-the-shelf cameras is described. Aimed at the l......
Identification of weathered troughs in granites for tunneling at Daya Bay reactor-neutrino experimen
Weathered troughs are frequently encountered in granites.They can cause problems to tunneling in the rocks and have to b......
The shortest distance between two points is a straightline’-or is it? This familiar axiom arely is true onmaps of the w......
Effect of Gap Size on Coating Extrusion of Pb-GF Composite Wire by Theoretical Calculation and Exper
A new method using lead coated glass fiber to produce continuous wire for battery grid of electric vehicles (EVs)and hyb......
The original idea and shaping principle of locus shaping method for processing the aspheric optical parts are introduced......
A novel method to extract conic blending feature in reverse engineering is presented. Different from the methods to reco......
从80年代的中国影星到如今好莱坞的独立制片人,罗燕走过的是怎样一条奋斗之路呢?
From the 80's Chinese movie star to an indep......
Reinvestigation of liquid crystalline property of dimesogenic compound consisting of cholesterol and
The dimesogenic compound consisting of cholesterol and cyanobiphenyl mesogens interlinked byω-oxyalkanoyl spacer was sy......
The effect of temperature and salinity on the photosynthetic and respiratory rates of some seaweeds are reported. The r......
康力(conic)V—130盒式录音机有时会出现放音正常,录不上音,而录音时用耳机监听却正常的故障。该机由于录放兼用同一磁头,可以判......
In this paper,we consider the downlink channel of multi-user multi-input single-output(MU-MISO)system in cognitive radio......
Sparse signal recovery is a topic of considerable interest,and the literature in this field is already quite immense.Man......
This paper introduces the study on omni- directional vision system calibration method using central catadioptric project......
Plant temperature (Tp) and its relations to the microclimate of rice colony and irrigation water were studied using a th......
In order to solve the problem of low measurement accuracy caused by uneven imaging resolutions,we develop a three-dimens......
The author applies the arguments in his PKU Master degree thesis in 1988 toderive a third derivative estimate, and conse......
研究了一种基于二次曲线的椭圆估计方法,该方法的主要优点是在进行椭圆中心点检测的时候,不用检测图像上单个椭圆的边界,而只计算......
Relationships between diameter at breast height(dbh)versus stand density,and tree height versus dbh(height curve)were ex......
摘 要：应用题能考查学生对数学知识的灵活转化和实际应用的能力，能全面体现职高学生的数学综合素质，所以很受试卷命题人的青睐，并成为......
薄壁类回转体零件的车削加工，存在着装卡困难、过程尺寸不易控制、零件变形量大等的技术难点，笔者以锥壳的加工为例，介绍了该类零件的......
文章以用Ms．Excel实现圆锥曲线的描述性定义的动画、直观丧示为例，介绍Ms．Excel在数学教学中的应用。......
文章针对数控车削中高精度非圆二次曲线零件轮廓复杂,编程困难（往往采用参数编程）,且加工要求和精度高。而参数变量的选择和赋值往往......
本文探讨了用2次周期性NURBS表示闭合圆锥曲线的方法,导出了精确表示椭圆、抛物线和双曲线的条件,并给出了精确表示圆弧的充要条件......
提出了一种基于平面二次曲线的摄像机标定方法 .该方法只需要摄像机在 2个或 2个以上不同的方位摄取一个含有 3个或 3个以上同心二......
提出了一种安全性是基于圆锥曲线上离散对数计算的零知识身份鉴别协议.这种协议比基于离散对数的同类协议运算速度更快,比椭圆曲线......
本文应用重心坐标简单地导出了二次曲线弧与有理参数三次曲线的有理Bézier表达式,并给出了有理Bézier曲线的递推定义与......
在《中心平方变换的研究(一)》[1]的基础上,本文继续对中心平方变换中的直线与二次曲线的变换进行了较深入的探讨:首先推导了直线......
