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1.On the Cosine Formula with Multiple Angles
n倍角的余弦公式收藏指正
2.This paper develops iterative formula of sine and cosine function in document[40], and presents new pixel-level algorithms forgenerating Archimedes and involute curves which are widely used in engineering.
本文推广了文献[40]中正弦、余弦函数的递推公式，对工程绘图中常用的阿基米德曲线和渐开线设计了新的逐点生成算法。收藏指正
3.Based on the theories described above, calculation formula of General dimension of least square measure and multi-fractal fault diagnosis and analysis system have been established with Borland C++ Builder 5.0, and checked by pure sinusoidal and cosine signal and sinusoidal signal with noise, and verified by the examples.
基于上述原理，建立了最小二乘法的广义维数计算公式，用Borland C++ Builder 5.0编制了以广义维数计算分析为基础的多重分形故障诊断系统，并对标准的正弦信号、余弦信号及带有噪声的正弦信号进行了验证。收藏指正
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