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FFT
利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ，可以通过对x(n)做傅里叶变换，得到频谱图，找出幅度的最大值对应的频率值 ，进行多次变换，求出均方误差 。改变信噪比SNR，通过仿真可以得出随着信噪比增加，均方误差减小。(Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoidal signals, can be achieved by x (n) be the Fourier transform to get spectrum to identify the magnitude of the frequency value corresponding to the maximum , several transformations, find the mean square error. Change the signal to noise ratio SNR, the simulation can be drawn as the SNR increases, the mean square error decreases.)
- 2011-04-26 10:53:04下载
- 积分：1
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umat_temp
用ABAQUS及其子程序解决热冲压热力耦合问题(Subroutine with ABAQUS and hot stamping coupled thermal problem solving)
- 2020-09-14 14:27:57下载
- 积分：1
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DFT_ang
在uVision环境下用C编程，用离散傅里叶变换可以计算出频率的值(In uVision environment using C programming, using discrete Fourier transform frequency value can be calculated)
- 2010-09-22 18:03:09下载
- 积分：1
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GS2
采用递推最小二乘法在时域范围内辨识传递函数(Recursive least squares method identification in the time domain transfer function)
- 2020-10-31 16:29:56下载
- 积分：1
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LSSVM
一个案例代码，用最小二乘支持向量机的，预测煤炭量(A case code, using the least squares support vector machine to predict the volume of coal)
- 2012-06-18 13:26:33下载
- 积分：1
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DISORT
计算辐射传输专业代码，可以计算大气透过率等参数。欢迎下载使用。(Radiative transfer calculations the professional code, and can calculate parameters such as atmospheric transmittance. Welcome to download.)
- 2020-11-12 16:29:44下载
- 积分：1
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B_ADI
ADI method for solving PDE equations
- 2019-01-02 15:37:35下载
- 积分：1
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文件1
说明： 文件中有大量 数据样本，根据样本进行数据处理，求均值，插值，最大值，最小值等(There are a large number of data samples in the file. According to the samples, data processing is carried out to find the mean value, interpolation, maximum value, minimum value, etc)
- 2020-01-06 21:49:43下载
- 积分：1
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Euler_JST_Runge-kutta
说明： 计算流体力学基础中的二维欧拉方程求解程序，对流项离散采用JST格式，时间离散采用显示 Runge-Kutta法。(To calculate the two-dimensional Eula equation solver in the basis of fluid mechanics, the flow item discrete is in JST format and the time discrete is shown runge-Kutta method.)
- 2021-03-22 19:49:16下载
- 积分：1
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UC1
unit commitment with Gams
- 2012-08-31 22:54:32下载
- 积分：1
