1)  Time series of coordinate
坐标时间序列
2)  Coordinate
坐标
1.
Determination coordinate of intraocular lens power;
人工晶状体屈光度数检测坐标
2.
General formula for calculating coordinate azimuth;
坐标方位角通用计算公式
3.
Curve coordinate calculation of cloverleaf interchange in expressway;
高速公路A型双喇叭互通曲线坐标计算
3)  coordinates
坐标
1.
Substituting adjustable parameters of machining cutter for the NC coordinates to machine special type of helicoid cutters;
增加调节参数代替联动坐标加工特种回转面刀具
2.
Because there are many coordinates system in the long route engineering,which bring a lot of inconveniences for design and construction.
而长距离的线路勘测工程中不可避免地会出现多个坐标系,这也给设计和施工带来诸多不便。
3.
Combined with the complex features of GPS coordinates calculation on gyrated line points on expressway and city overpass ramp,it introduces the calculating methods of gyrated line s transformation to alleviated curve.
结合高速公路和城市立交匝道上回旋线段任意点的GPS坐标计算的复杂性,详细地介绍了回旋线段转化为缓和曲线的计算方法,并通过工程实例进行了说明,以达到快速准确地计算回旋线段任意点的GPS坐标的目的。
4)  coordinates of local systems
地方坐标系坐标
5)  Coordinate System
坐标系
1.
Establishment of coordinate system and measurement of digitized human cerebrum;
数字化人体大脑坐标系的建立及三维测量
2.
Data organization in geomagnetism and space physics and relevant coordinate systems;
地磁与空间物理资料的组织和相关坐标系
3.
A kind of choice method of the GPS control networke coordinate system;
一种GPS控制网坐标系的选择方法
6)  coordinate transformation
坐标变换
1.
An analysis of the intersection of torus/sphere based on coordinate transformation;
基于坐标变换的圆环面/球面相交分析
2.
Intersection algorithm based on coordinate transformation;
基于坐标变换的曲线曲面求交算法
3.
Jacobian s geomitrical meaning in coordinate transformation and it s application;
坐标变换的Jacobian的几何意义及其应用
参考词条
补充资料:离散时间周期序列的离散傅里叶级数表示
       (1)
  式中χ((n))N为一离散时间周期序列,其周期为N点,即
  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
  
  从式(1)可导出已知X((k))N求χ((n))N的关系
   (2)
  式(1)和式(2)称为离散傅里叶级数对。
  
  当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。