它介绍了丙烯酸、丙烯酸脂、苯乙烯四元共聚合成醇溶性聚丙烯酸脂类的方法。
It introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin.
本文系统的研究了四元数矩阵分解理论。
In this paper, decomposition of a quaternion matrix is systemically studied.
用当前四元数的自然对数替换此四元数。
姿态运动学和动力学用误差四元数描述。
The attitude kinematics and dynamics are both described by error quaternions.
欧拉参数是规范四元数。
答案在这，你首先需要计算你的四元数的平均值。
To answer that, you first need to calculate the norm of your quaternion.
四元数将三维中旋转的概念扩展到四维中的旋转。
Quaternions extend the concept of rotation in three dimensions to rotation in four dimensions.
用四元数方法建立起卫星动力学方程和运动学方程。
The satellite dynamics equation and kinematic equations are built with the method of quaternion.
定位四元谓词形状、编辑读数、连接角色和添加约束。
Position quaternary predicate shape, edit reading, connect roles, and add constraints.
它是二维(二值)图象线性四元树表示的一种推广。
It is an extension of the quadtree representation of two-dimensional (binary) images.
当然，你可能也会用到四元数转换的“常规”表示法。
Of course, you'll also need to be able to convert from "conventional" representations to quaternions.
这是试图把四元数方法引入空间啮合原理研究的一种尝试。
This represents an attempt in introducing quaternion methods in the study of cases involving space engagement.
采用四元数描述刚体姿态，建立了刚体姿态运动的数学模型。
Quaternion is used to describe the orientation of a rigid body, and attitude motion is modelled.
使用四元数的第二个理由，就是其可实现两个状态间的平滑插值。
The second argument that is commonly given for the use of quaternions is the possibility of smoothly interpolating between two orientations.
采用最小参数法求解四元数微分方程，优化了四元数实时更新算法。
When optimizing synchro update of the quaternion, the quaternion differential equation is calculated by using minimum parametric method.
一个按引用传递的数值，标识该四元数的旋转角度(以弧度为单位)。
Angle a number, passed by reference, that identifies the Angle of rotation, in radians, of the quaternion.
借助于四元数理论证明了任意顺序下刚体有限转动合成的可交换性定理。
With the help of the theory of quaternions the theorems of commutativity of composition for the finite rotation of rigid body are proved in the any order.
四元数就不会遭受万向节锁的痛苦，因为它不用三个分离的轴表示旋转。
Quaternions do not suffer from gimbal lock, because they do not express rotations relative to three separate axes.
CwMtx中的矩阵包括向量和方阵，其中向量包括空间向量和四元数。
The matrices in CwMtx include vectors and square matrices, where vectors include space vectors and quaternions.
对高精度导航系统和大机动场景来说，对偶四元数算法是一个更好的选择。
The new algorithm turns out to be a better choice than the conventional algorithm for high-precision navigation systems and high-maneuver applications.
他用生意人惯用的口气告诉我，一支四元，但如果点三支的话，只收十元钱。
He used the usual tone of businessmen told me that a four yuan, but if the point of three, then only ten dollars.
本文以姿态误差四元数与陀螺漂移误差之间的关系为基础，构建了系统状态方程；
The state equations of the system are established on the basis of the relation between attitude error quaternion and the gyro drift.
四元数一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项。
An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.
然而，人们发现四元数也可以应用在计算机图形学上，作为表现旋转的可选择方法之一。
However, it was later discovered that quaternions can also be used in computer graphics, as an alternative and compact way to represent rotations.
文中首先研究了声目标定向技术，通过对比，确立了平面四元十字阵作为定向的核心阵形。
After comparison, cross-array, with four sensors symmetrically located in the same plane, has been regarded as the central array for target direction.
文中首先研究了声目标定向技术，通过对比，确立了平面四元十字阵作为定向的核心阵形。
After comparison, cross-array, with four sensors symmetrically located in the same plane, has been regarded as the central array for target direction.
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