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armok01167658
最近用Mega128写了一个128点FFT程序,浮点运算,加汉宁窗。由于窗函数和旋转因子通过查表得到,所以速度还可以,程序中给的初值是通过高速AD采集的20KHz正弦信号。计算结果与Matlab的FFT函数得到的结果相同。 (Mega128 recently wrote a 128-point FFT procedures, floating-point operations, Hanning window. Since the window function and the twiddle factor look-up table has been adopted, so the speed can also be, the initial value to the process through high-speed AD collected 20KHz sinusoidal signal. The calculation results with the Matlab)
- 2007-09-02 21:16:08下载
- 积分:1
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webinar111606
contains MATLAB scripts and data that were used in the webinar "Using MATLAB to Develop Asset-Pricing Models." The slides from the webinar are also included. The scripts examine the Fama & French model for a number of companies with recent IPOs to examine short-term pricing anomalies in the presence of missing data. A readme.txt file in the .zip folder contains instructions
- 2010-04-02 22:18:51下载
- 积分:1
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QGA
本程序在matlab环境下,基于量子遗传算法对pid控制器进行优化控制,从而完成性能更优(The program in matlab environment, based on quantum genetic algorithm to optimize control of pid controller, thus completing the better performance)
- 2014-11-24 19:23:42下载
- 积分:1
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S参数提取
FDTD中利用监视器电场提取S11,S21,S12,S22参数(In FDTD, S11, S21, S12, S22 parameters are extracted from the monitor electric field.)
- 2020-12-12 11:19:17下载
- 积分:1
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main_prg
MATLAB routine to read data from .dat file, formatting it, extracting required data from it, re-editing.
- 2010-03-22 14:15:42下载
- 积分:1
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node_excel
Write automatically written to a file using C + + code in order to make ns2 manual routing is used, used to set the node, which is our experimental multichannel implementation, hoping to share.
- 2014-01-03 11:01:27下载
- 积分:1
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AntennaArray-Program
王建所著阵列天线分析与综合一书中相关例题的程序解决方案(Wang array antenna analysis and synthesis written a book example of program-related solutions)
- 2014-03-31 14:51:44下载
- 积分:1
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SVM_Short-term-Load-Forecasting2
本文采用最小二乘支持向量机(LSSVM)模型,根据浙江台州某地区的历史负荷数据和气象数据,分析影响预测的各种因素,总结了负荷变化的规律性,对历史负荷数据中的“异常数据”进行修正,对负荷预测中要考虑的相关因素进行了归一化处理。LSSVM中的两个参数对模型有很大影响,而目前依然是基于经验的办法解决。对此,本文采用粒子群优化算法对模型参数进行寻优,以测试集误差作为判决依据,实现模型参数的优化选择,使得预测精度有所提高。实际算例表明,本文的预测方法收敛性好、有较高的预测精度和较快的训练速度。(this paper adopted particle swarm optimization algorithm to optimized the model parameters, make the test set error as the judgments, realized the optimization of model parameters, maked prediction accuracy improved. Practical examples show that convergence of prediction method was pefect, had a higher prediction accuracy and fast training speed.)
- 2018-07-23 01:30:46下载
- 积分:1
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fk
说明: 计算一个地震序列的F-K谱。也可以直接用了。比较有条理。(compute FK spectrum of a seismic gather)
- 2009-05-16 12:44:19下载
- 积分:1
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baojiading
涉及平面拟合方法,利用最小二乘算法实现对三维平面的拟合,同时计算平面度和不确定度(Plane fitting method involves using the least-squares algorithm for fitting three-dimensional plane, while the calculation flatness and uncertainty)
- 2021-04-29 09:18:43下载
- 积分:1