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fft

于 2020-07-03 发布

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下载积分: 1 下载次数: 1

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代码说明：

说明：使用快速傅里叶逆变换，分析离散时间信号中频率分辨率和信号的样本数之间的关系，并通过不同的滤波器进行对比。(The relationship between the frequency resolution and the number of samples in the discrete-time signal is analyzed by using the inverse fast Fourier transform, and compared by different filters.)

文件列表：

fft\1.jpg, 24538 , 2019-12-21
fft\2.jpg, 30412 , 2019-12-21
fft\3.jpg, 23663 , 2019-12-21
fft\4.jpg, 35167 , 2019-12-21
fft\test_1_1.m, 212 , 2019-12-19
fft\test_1_2.m, 436 , 2019-12-21
fft\test_1_3.m, 214 , 2019-12-19
fft\test_1_4.m, 738 , 2019-12-19
fft, 0 , 2020-03-10

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shuxuejianmo_1
说明：某厂生产甲乙两种口味的饮料,每百箱甲饮料需用原料6千克,工人10名,可获利10万元每百箱乙饮料需用原料5千克,工人20名,可获利9万元.今工厂共有原料60千克,工人150名,又由于其他条件所限甲饮料产量不超过8百箱.问如何安排生产计划,即两种饮料各生产多少使获利最大.进一步讨论: 1)若投资0.8万元可增加原料1千克,问应否作这项投资. 2)若每百箱甲饮料获利可增加1万元,问应否改变生产计划. (Factory production of beverages and B in two flavors, each box 100 need a drink six kilograms of raw materials, workers 10 to 100,000 yuan profit B beverage cartons per cent five kilograms of raw materials needed, workers 20, the profitability of 90,000 yuan. this plant a total of 60 kilograms of raw materials, 150 workers, and because other conditions do not yield a beverage cartons more than 8 per cent. ask what arrangements the production of projects, namely the production of two the number of drinks to make the biggest profit. further discussion : 1) if the investment 08,000 yuan to increase one kilograms of raw materials and asked whether we should make this investment. 2) If a beverage cartons per cent profit increase 10,000 yuan and asked whether or not to change the production plan.)

2009-07-24 22:57:35下载

积分：1
MATLAB
说明：上传的还是一些matlab的东西,别人给的,应该是一些图象处理比较有用的东西(From matlab or some things that someone else should be some image processing more useful things)

2008-11-17 16:26:17下载

积分：1
PlotCube
此程序为matlab图形图像程序，希望对大家能有所帮助。。(This program matlab graphics program, and I hope we can help. .)

2011-05-15 10:29:22下载

积分：1
data
Emulation of the brl instruction for IA64 processors that don t support it in hardware.

2014-09-25 11:35:18下载

积分：1
ww
说明：功率谱分析的MATLAB实例，经典谱估计的几种方法介绍(Power spectral analysis of the MATLAB examples, classical spectral estimation of several ways to introduce)

2009-09-22 11:37:19下载

积分：1
wuyueshuduoweiwenti
最优化计算一书中无约束多维优化问题源代码，已通过测试，可直接运行！(Optimization calculation of a book unconstrained multidimensional optimization problem source code has been tested and can be run directly.)

2012-05-08 15:39:25下载

积分：1
PSO
This akgorithm discribes particle swarm optimization

2012-01-14 23:57:26下载

积分：1
xiangguan
相关器可以主要对不同的信号做相关检测，可以用于信号的提取，以及时间延迟的计算(Correlator can be mainly related to do different signal detection, can be used for signal extraction, as well as the time delay calculation)

2007-07-13 16:37:39下载

积分：1
rootmusic
Root-MUSIC 算法进行了深入的研究，表明波束域处理和Root-MUSIC 算法结合可以进一步提高估计的分辨率和稳健性(Root-MUSIC algorithm for an in-depth study shows that domain-beam treatment and Root-MUSIC algorithm can further improve the estimated binding resolution and robustness)

2021-02-15 23:29:47下载

积分：1
ACATSP.m
说明：基于蚁群算法解决TSP问题的三个matlab源程序，请多多交流！(TSP problem based on ant colony algorithm to solve the three matlab source, to a lot of communication! )

2011-02-23 20:08:44下载

积分：1

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fft

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