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fft
用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位;
用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角;
可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function.
The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively.
The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)
- 2019-03-28 15:48:19下载
- 积分:1
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Random-Forest-for-Image-Annotation
随机森林算法,适合初学者阅读,包括公式,资料,调试(Random forests algorithm, suitable for beginners to read, including formulas, data, commissioning)
- 2020-06-29 22:40:02下载
- 积分:1
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Generator
这些代码可以用于产生一系列随机数,可以根据需要使用。(These codes can be used to generate a series of random numbers may be used as needed.)
- 2013-07-10 14:19:34下载
- 积分:1
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Large_Scale_NMF
处理大规模矩阵,对大规模的矩阵进行分解,即形如分解A=UV(To deal with large-scale matrix, mass matrix decomposition, that is shaped like a decomposition A = UV)
- 2012-12-12 21:19:34下载
- 积分:1
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Dickies return label
说明: Amplitude of Explosion.In contrast to the design of sparks number, the am-plitude of a good firework explosion is smaller than that of a bad one. Amplitudeof explosion for each firework is defined as follows
- 2019-04-13 14:27:46下载
- 积分:1
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teststring
将字符串合并的时候要注意中间的空格,否则可能在合并时出错。我调试了好久才发现(combine the string,essential to focus the length of string)
- 2013-06-06 00:22:02下载
- 积分:1
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BEM
圆柱绕流边界元程序 用边界元的方法计算圆柱绕流(flow around colomn
)
- 2012-02-07 09:36:36下载
- 积分:1
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Cp
说明: 1.5MW风力机叶片功率系数Cp计算程序示例,采用梯形法数值积分计算(1.5MW wind turbine blade power coefficient the Cp calculation program examples, numerical integration using the trapezoidal method)
- 2012-10-22 20:36:32下载
- 积分:1
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nodefstrainstressfiberla002
复合材料损伤,复合材料层间分层,损伤,刚度退化、衰减(Composite damage, delamination of composite layers, damage, stiffness degradation, attenuation)
- 2019-04-08 11:14:11下载
- 积分:1
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sor超松弛迭代法
一个实现sor超松弛迭代法的c语言算法,可以帮助新手完成矩阵计算(A C language algorithm for realizing over relaxation iterative method)
- 2017-06-30 09:34:56下载
- 积分:1