空间曲线

Which satisfies the mixed constraints in both Cartesian space and joint-variable space.

提出了一种满足笛卡尔空间与关节空间混合约束的机器人平面曲线轨迹规划方法。

Another new spatial 3-RPS parallel pyramid manipulator mechanism is studied. The principal screws of this mechanism under three different configurations are identified by means of the conic section and the quadric degenerating theory, respectively. The planar conics representing the relations between the pitches of the output twists and the three linear inputs are described, and the three-dimensional distribution of the axes of all the twists with the same pitch is illustrated under each of the configurations.

研究了另一种新的空间三自由度3-RPS并联角台机构，分别用二次曲线和二次曲面分解法识别该机构在三种位形下的主螺旋，绘制了其在每种位形下的输出运动螺旋的节距与输入之间的平面图以及具有相同节距的所有运动螺旋轴线在每种位形下的空间分布的立体图。

Because of the uneven temperature's distribution in the space,the detected temperature'value will vary with the different placement of the temperature sensor in detecting temperature and then need to know the distributing curve of temperature in the given space.

由于温度在空间中分布不均匀，在进行温度检测时会出现检出温度随着温度传感器放置位置的不同而不同的现象，这时就需要知道特定空间内的温度分布曲线。

BY mathematics epagoge, the numbers of curves of n-degree space is rabbinical X(n+1),the numbers of poits of n-degree space is rabbinical Xn.

根据数学归纳法，N度空间的曲线数是X(n+1)，N度空间的点数就是Xn。

Then every curve is fitted by an ideal ellipse.

基于Hough变换的算法是检测这些形状的常用算法，Hough变换是将几何图形转化为带多个自由参数的曲线，它是定义在图像空间和参数空间上的一个映射。

Improve the accuracy of the initial rotor position estimator by using the Fourier series expansion.

在永磁同步的马达启动方面，则透过送出不同向量空间角度的定子电压向量脉冲所量测到的d轴定子电流的大小来估测转子的初始位置，并利用d轴定子电流在空间向量角度以2π为周期的特性，应用傅立叶级数分析做曲线拟合的方式提高转子位置估测解析度，以提高转矩/电流比节省不必要的功率浪费。

In the third chapter, it is proved that a Minkowski plane withπ/2-property, whose unit circle is Radon curve, is an inner product space.

在第三章中，本文证明了单位圆是Radon曲线且具有π/2性质的空间是内积空间。

According to the traits of images in sptial domain and Fourier domain, it is testified that pixels on the large optical path difference are important for the shape of spectrum.

根据干涉高光谱图像在空间域和傅里叶域的特点，推导出空间域中随着光程差的增大，干涉图像对傅里叶域中光谱曲线的形状影响越大。

The principle of parallel coordinates are introduced firstly,then the differentiable curves' representation in parallel coordinate space is derived.

本文首先阐述了平行坐标的基本原理，并且推导了欧式空间的可微曲线在平行坐标空间的表达形式。

The scanning mode is determined by regular language and is used in the algorithm to generate huge scanning path or space filling curves by accessing two-dimensional space in different ways.

该算法利用扫描模式通过对二维存储空间的不同访问方法来产生非常大的扫描路径或空间填充曲线，并使用正规语言来确定扫描模式。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。