arc tangent

美 [ɑːrk ˈtændʒənt]英 [ɑːk ˈtændʒənt]
  • 网络反正切;反正切函数;反正切值
arc tangentarc tangent

noun

1
the inverse function of the tangent;the angle that has a tangent equal to a given number
Synonym: arctangent arctan inverse tangent

数据来源:WordNet

  1. Various conversion manners are defined , including linearity , logarithm function , tangent function and arc tangent function .

    定义了不同的强度-相位转换方式,例如线性方式、对数函数方式、正切函数方式、反正切函数方式等。

  2. Implementation of arc tangent function using assembly in fixed-point DSP based on differential evolution algorithm

    实现定点DSP汇编层反正切函数的差分进化算法

  3. A fast algorithm uses sub section lines to near some functions of arc tangent .

    本文对常用的反正切函数进行了分析,利用分段直线对其进行拟合,提出了一种浮点运算变定点运算的快速算法。

  4. Because the arc tangent reduced look-up table ( LUT ) bulk , the optimization algorithm greatly saved the hardware resources .

    该优化算法根据反正切函数本身的对称性,能够极大地减少反正切运算耗费的硬件资源。

  5. The results show that the model has good fitting precision . It is more reasonable than traditional modified arc tangent function or hyperbolic function model for the saturation characteristic of transformer .

    结果表明,与已有的修正反正切函数或双曲函数模型相比,该模型不仅具有较高的精度,而且对变压器饱和特性的模拟也更为合理。

  6. Compared with traditional methods , the approximating polynomial calculated by DE is of high accuracy and low order , and the real-time behavior of the arc tangent function designed by DE is much better than C library function .

    与传统方法相比,差分进化算法求得的逼近多项式精度高、阶数小,设计出的反正切函数实时性远优于C库函数。

  7. Based on differential evolution ( DE ) algorithm , a method of fast implementation of the arc tangent function with high accuracy using assembly in fixed-point DSP is proposed . The validity and real-time behavior of this method is tested in a large scale .

    基于差分进化算法,提出一种在定点DSP汇编层快速实现高精度反正切函数的方法,并对该方法在确定精度范围内的正确性和实时性进行了测试。

  8. Thesis analyzes superposition average algorithm of tradition and pointed out the limitations of the algorithm , the problems about that the residual interference noise and the incubation period of disturbance , proposes a superposition averaging algorithm based on the arc tangent function of the IIR filter .

    论文分析传统叠加平均算法并指出该算法的局限,对残留干扰噪声及潜伏期的扰动问题,提出一种基于反正切函数的IIR滤波器叠加平均算法。

  9. Exponential and arc - tangent distributions of oil and gas production decline

    产量递减的指数分布和反正切微分分布规律

  10. To apply the control technology of three-dimensional double-target-point arc internal tangent hitting-targets to drill tow-target variable-orientation azimuth multi-target well , has provided successful drilling experience for developing remaining oil in fault block oil reservoir and different oil reservoir .

    采用三维双靶点圆弧内切线中靶控制技术,打双靶变方位多目标井,为今后开发断块油藏和不同油层间的剩余油提供了成功的钻井经验。

  11. By means of uniting geometry with algebra , the arc length , tangent line , cotangent space and curvature of curve in four dimensional space are investigated , and the corresponding calculation formula in each cases are given .

    用形数结合的观点研究了四维空间中曲线的弧长、切线、法空间和曲率问题,并给出了其计算公式。

  12. the season-ending arc has involved a tangent about deceptive online advertising .

    本季结尾的剧情中突然插入了一段讲欺骗性网络广告的内容。

  13. Circular interpolation of time-sharing algorithm is that circular arc is approached with tangent or chord line .

    时间分割法圆弧插补用切线或弦线来逼近圆弧。

  14. The application of co & ordinate transfer in arc , cone and tangent gear wheals

    坐标变换在弧齿圆锥齿轮切齿调整计算中的应用