1)quaternion[英][kw?'t?:nj?n][美][kw?'t?n??n]四元素
1.Using four non-coplanar reference points and a CCD camera, the simplified mathematical framework of relations between actual coordinates on the target spacecraft and measured image coordinates is developed by representing the relative parameters using unit quaternion.利用四个非共面设置的特征光标和单个CCD相机,采用单位四元素来描述航天器相对姿态,基于比例正交投影近似假设,建立目标航天器已知特征光标物理坐标和对应图像点图像坐标之间的简化数学模型,以解析的形式给出了航天器间相对位姿参数(相对位置和姿态),并对解析解进行修正。
2.The calculation of attitude matrix\'s quaternion differential eguations adopt four-order Range-Kuttle method commonly in strapdown inertial navigation system(SINS),Considered precision and speed,another effective method-four-order Taylor expansion is presented.在捷联惯导系统中,姿态矩阵的四元素微分方程求解一般采用四阶龙格-库塔法,从运算精度与速度上考虑,提出了另一种有效的四阶泰勒展开法。
英文短句/例句
1.Space time block code based on quaternion quasi-orthogonal design基于四元素准正交设计的空时分组码
2.On Additional Explanations of Solvability of the Four Elements Boundary Value Problems of the Analytic Function;一类解析函数四元素边值问题可解性的补充
3.Simulation on Quaternion Calculate Attitude Angle of the Strapdown Inertial Navigation System捷联惯导系统中四元素法求解姿态角仿真模拟
4.The Time Subject and Elements’ Variations in Four Quartets;《四个四重奏》的时间主题与元素变奏
5.Four or Five Elements:The Differentiation by YANG Ting-yun on the Notion of the Elements Held Respectively by Confucianism,Buddhism and Catholicism四大耶? 五行耶? 四行耶?——杨廷筠辨儒释耶元素论
6.Nutrient Content and Quality Evaluation of Green Manure Winged Bean [Psophocarpus tetragonolobus(Linnaeus) de Candolle]四棱豆绿肥营养元素含量及品质评价
7.The Spectra and Radicals of Quaternion Algebra Z_n[i,j,k]四元数代数Z_n[i,j,k]的素谱和根(英文)
8.Jabir claimed that mercury and sulphur were 'elements' like the four Greek ones.贾比尔声称水银和硫黄像希腊人所说的四种元素一样，也是“元素”。
9.A Beautiful Cosmic Model of Elements and Structures System-Inference and Explaination of the New Periodic Table of Elements一个美的元素-结构系统宇宙模型——新元素周期表的推导与说明(四)
10.The Content of Four Trace Elements in Hair of Normal Children in Haikou海口市正常儿童头发中四种微量元素含量
11.Russell : Not as much as the man asked for. He wanted $45.罗素：没有那人开价那么多。他要四十五元。
12.First Exploration of the Function and Action of the Tetra-element System of Social Innovation;社会创新四元要素系统功能和作用初探
13.Potential of Mineral Resources of Rare and Dispersed Elements in Sichuan and Countermeasures of Exploitation;四川省稀散元素矿产资源潜力及开发利用对策
14.Analysis of Serum Levels of 14 Trace Elements in Breast Cancer Patients乳腺癌患者血清中十四种微量元素含量的研究
15.Determination of Four Kinds of Serum Trace Elements in Patients with Peptic Ulcer消化性溃疡患者血清四种微量元素的测定
16.Assessment on the Content of Six Elements in Soils of Dongxi Town in Jianyang County,Sichuan Province四川简阳东溪镇土壤环境六种元素含量评价
17.Enrichment law of the dispersed elements Gd,Ge and Ga in the Tianbaoshan Pb-Zn deposit,Sichuan,China四川天宝山铅锌矿床分散元素镉锗镓富集规律
18.Study on the Determination of Multiple Elements in Four Medicinal Species of Elsholtzia四种药用香薷植物中多种微量元素分析
相关短句/例句
Four element Doctrine四元素说
1.The former regarded the Four body Fluid Pathological Doctrine that develoed from the Four element Doctrine as its theoretical tool,the latter regarded the Five element Doctrine as its philosohical base.西医以四元素说发展而来的四体液病理学说为其理论工具 ,中医以阳阳五行学说为其哲学基础。
3)Quaternion method四元素法
4)quadrivalent element四价元素
5)quaternion division四元素体
1.Arithmetic distance and distance of skew-Hermitian matrices over quaternion division ring with an involution具有对合的四元素体上斜Hermitian矩阵的距离与算术距离
6)The theory of four elements四元素学说
延伸阅读
稀土元素四分组效应分子式：CAS号：性质：又称稀土元素四分组效应。指溶液体系中，稀土元素在两相间的分配系数每四元素形成一组：[镧、铈、镨、钕]、[钷、钐、铕、钆]，[钆、铽、镝、钬]，[铒、铥、镱、镥]各四元素组组成相似的凹形或凸形曲线的现象，故称四重效应。
