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base2fft
根据DFT的基二分解方法,可以发现在第L(L表示从左到右的运算级数,L=1,2,3…M)级中,每个蝶形的两个输入数据相距B=2^(L-1)个点,同一旋转因子对应着间隔为2^L点的2^(M-L)个蝶形。从输入端开始,逐级进行,共进行M级运算。在进行L级运算时,依次求出个2^(L-1)不同的旋转因子,每求出一个旋转因子,就计算完它对应的所有的2^(M-L)个蝶形。因此我们可以用三重循环程序实现FFT变换。同一级中,每个蝶形的两个输入数据只对本蝶形有用,而且每个蝶形的输入、输出数据节点又同在一条水平线上,所以输出数据可以立即存入原输入数据所占用的存储单元。这种方法可称为原址计算,可节省大量的存储单元。附件包含算法流程图和源程序。(err)
- 2008-04-20 23:11:05下载
- 积分:1
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bianchengnixiangjishujvfenxi
编程,逆向及数据分析
编程逆向及数据分析.
:数据分析的几个方面的经验总结.(Programming, reverse and data analysis
编程逆向及数据分析.
Programming of reverse engineering and data analysis
:数据分析的几个方面的经验总结.
: data analysis of several aspects of the experience
)
- 2014-01-03 06:13:35下载
- 积分:1
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Wheel-And-Axle
基于matlab建立的关于汽车轴的控制模型,包括轴的运动方程和模型的建立。其实在ADVISOR中可以找到,不过,用matlab2012版重新建立了。(Established based on matlab axis control on the car model, including axis motion equations and model. ADVISOR can be found in the fact, however, re-established with matlab2012 version.)
- 2013-11-22 17:02:17下载
- 积分:1
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DEEC.matble
分簇协议的改进协议DEEC的matlab代码,绝对正确,大家可以下载试试,对学习WSN路由协议很有帮助。(Improved clustering protocol agreement DEEC matlab code, absolutely correct, you can download to try, to learn helpful WSN routing protocol.)
- 2014-01-20 17:29:25下载
- 积分:1
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bigtime
说明: 大模型的采样点时间波场图。还是先前的大模型,这次采用了十个检波器记录数据。通过修改常量可以达到修改检波器数目的目的。C源程序,MATLAB绘图。(Large model sampling time to wave field map. Is a large model of the previous, this time using 10 detectors record data. Constant change can be achieved by modifying the detector number of purposes. C source code, MATLAB graphics.)
- 2009-08-25 09:26:11下载
- 积分:1
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qudongli
驱动力和制动力是车辆纵向力学特性中重要部分,本程序采用matlab,根据发动机的万有特性曲线和循环工况,绘制出车辆的驱动力和制动力随时间的关系(The driving force and braking force is an important part of the vehicle longitudinal mechanical properties, the program uses matlab, according to the universal characteristic curve of the engine and the driving cycle, to map out the driving force and braking force of the vehicle over time)
- 2013-05-07 13:41:58下载
- 积分:1
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poincare
庞加莱程序 分叉图程序 相图程序 传动系统动力学(poincare progree
matlab damping speed accelearte)
- 2021-03-30 17:39:10下载
- 积分:1
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Doppler
一种MIMO体制天波雷达多普勒扩展杂波抑制方法(Doppler radar system for MIMO-day extension clutter suppression method)
- 2013-12-09 16:39:41下载
- 积分:1
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LDAANDPCA
LDA和PCA的一个程序,主要是LDA和PCA,并不是一个完整的工程,仅供大家参考。(LDA and PCA program, mainly LDA and PCA, is not a complete project, only for reference.)
- 2015-08-07 10:19:49下载
- 积分:1
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BinaryTree
Simple binary tree class
- 2014-10-01 05:22:32下载
- 积分:1