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matlab-vegetation-index-calculations
植被指数计算程序,共计算了31个植被指数(Vegetation index calculation program, a total of 31 vegetation index calculations)
- 2014-11-18 13:25:27下载
- 积分:1
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sir
这是SIR微分方程模型对初值问题的求解和作图(This is the SIR model differential equations to solve the problem of initial value and mapping)
- 2009-04-08 22:21:04下载
- 积分:1
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juzhen-yunsuan
vc++实现的矩阵运算方面得代码,很不错的,内容绝对好吃(matrix operations, code vc++ achieve very good, the content is absolutely delicious)
- 2012-08-12 22:06:39下载
- 积分:1
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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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mk
说明: 常用于分析降水、径流、气温等要素时间序列的趋势变化,其优点在于样本不需要遵循某一特定的分布,而且很少受到异常值的的干扰,计算简便。(It is often used to analyze the trend change of time series of factors such as precipitation, runoff and air temperature. Its advantage is that the sample does not need to follow a specific distribution, and is rarely disturbed by outliers, so it is easy to calculate.)
- 2018-09-07 21:26:05下载
- 积分:1
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polynomial_multiplication
实现多项式相乘求模运算,并且模多项式是可以改变的,方便,简单(To achieve polynomial multiplication modulo operation, and polynomial model can be changed, convenient and simple)
- 2010-06-25 21:11:57下载
- 积分:1
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ModelC_pure
说明: 相场法材料计算的model C-pure对应的基础相场计算代码,初学者可取(The phase field calculation code corresponding to the model C-pure calculated by the phase field method material is suitable for beginners.)
- 2021-01-14 22:48:46下载
- 积分:1
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gonglvjisuan
此程序为潮流计算的最后一部分功率计算程序。(This program is the last part of the power flow calculation calculation program.)
- 2009-09-15 20:42:08下载
- 积分:1
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GradCalc
地球科学(Fortran90):
计算空间重力异常、扰动重力、垂线偏差或重力梯度的垂向梯度。
计算方式:数值积分、二维平面FFT、二维球面FFT或一维FFT。(Earth Science (Fortran90): calculate the gravity anomaly, gravity disturbance, the deflection of the vertical or gravity gradient vertical gradient. Calculation: numerical integration, FFT of the two-dimensional plane, two-dimensional spherical FFT or one-dimensional FFT.)
- 2012-10-13 14:17:10下载
- 积分:1
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3
用刷选法求出100之内的素数。并输出数有多少个。(100 prime number is calculated by the method of selection. And the output count how many.)
- 2013-09-11 19:40:35下载
- 积分:1