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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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raytracer111
电磁场与微波技术下的射线追踪技术。应用c语言编程(Electromagnetic Field and Microwave Technology under the ray tracing technique. Application c programming language)
- 2013-06-02 20:32:24下载
- 积分：1
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实验1
利用不动点迭代和牛顿迭代求解非线性方程解的理论(Theory of Solving Nonlinear Equations by Fixed Point Iteration and Newton Iteration)
- 2019-05-07 16:56:30下载
- 积分：1
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LSTM_learn-master
采用LSTM算法用python语言实现的信号时间序列预测，可预测信号的占用度(The LSTM algorithm is used to predict the signal time series in python language)
- 2017-10-13 09:45:28下载
- 积分：1
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MESH-FREE-MLS-SHAPE-FUNCTION
无网格法移动最小二乘近似（MLS）型函数计算子程序 (Meshless method moving least square approximation (MLS) type function calculation subroutine)
- 2013-09-27 10:32:13下载
- 积分：1
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hq600
小波包分析提取振动信号中的特征频率，微分方程组数值解方法，有循环检测，周期性检测。( Wavelet packet analysis to extract vibration signal characteristic frequency, Numerical solution of differential equations method, There are cycle detection, periodic testing.)
- 2017-03-24 14:23:03下载
- 积分：1
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实现UTM平面坐标系到经纬度的双向转换 CoordinateConversion
实现UTM平面坐标系到经纬度的双向转换，是地理方面应用的好助手(UTM plane coordinate system to achieve two-way conversion of latitude and longitude, is a good helper geographic applications)
- 2014-10-23 09:43:25下载
- 积分：1
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u1_zhiluzhuijiaqiuzukongjuzhen
利用支路追加法求阻抗矩阵,解：输入数据如下:
请输入节点数:n=a
请输入支路数:nl=b
请输入由支路参数形成的矩阵:
B=[i j z bc t it ......]其中ij为支路端点，z为支路阻抗，bc为对地电容，t为变压器变比，it表示i端点是否与变压器直接相连。
(Seek additional method using branch impedance matrix)
- 2020-07-29 20:18:38下载
- 积分：1
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食欲频域小波特征 (2)
说明： 提取信号时域特征，频域特征，以及时频域特征，小波变换(Extract signal time domain features)
- 2020-12-20 11:17:04下载
- 积分：1
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bat
用matlab实现新的启发式算法—蝙蝠算法，用于生产优化问题(New heuristic- bat algorithm for the production optimization problem using matlab
)
- 2012-07-26 19:09:39下载
- 积分：1
