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touchtone
运用FFT技术来综合和分析电话拨号的过程,matlab来分解了这一过程,希望能提供帮助( TOUCHTONE Use FFT to synthesize and analyze telephone dialing
The dual tone multi-frequency (DTMF) standard specifies that the tone
generated by a button on a telephone key pad is the sum of two sinusoids,
with frequencies determined by the button s row and column.
The dial pad on the upper left allows you to select buttons and generate
the corresponding tones.
The signal plotted on the upper right is a recording of the FAX number
for the MathWorks being dialed. You can replay the entire signal, or
select individual segments. The power plot is the magnitude of the FFT
of the signal being played. What is the MathWorks FAX number?)
- 2013-10-30 15:17:51下载
- 积分:1
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MATLAB 三轴加速度信号处理
对三轴加速度出传感器的原始数据进行处理,平滑噪声,傅里叶fft(The raw data of the three-axis acceleration sensor is processed, smoothing the noise)
- 2020-11-20 14:29:36下载
- 积分:1
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Wavelet1D
超好用的Wavelet 1-D程式,有gui可以用來參考,附備註說明對照(Chao Haoyong of Wavelet 1-D program, there are gui can be used to refer to, with a contrast Remarks)
- 2009-11-09 15:49:38下载
- 积分:1
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fuzzy
Code of Fuzzy Logic Method
- 2015-02-04 23:47:12下载
- 积分:1
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paohen_v13
sar图像去噪的几种新的方法,通过反复训练模板能有较高的识别率,快速扩展随机生成树算法。( Several new methods sar image denoising, Through repeated training XyjPRvRlate have higher recognition rate, Rapid expansion of random spanning tree algorithm.)
- 2016-04-26 19:56:52下载
- 积分:1
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A1
说明: MATLAB光学设计程序
MATLAB光学设计程序(Optical design program MATLAB)
- 2009-06-02 09:10:51下载
- 积分:1
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mie
说明: Mie散射系数也叫米散射的Matlab计算程序。
当球形粒子的尺度与波长可比拟时,发生的散射为米散射。此时必须考虑散射粒子体内电荷的三维分布。此散射情况下,散射粒子应考虑为由许多聚集在一起的复杂分子构成,它们在入射电磁场的作用下,形成振荡的多极子,多极子辐射的电磁波相叠加,就构成散射波。又因为粒子尺度可与波长相比拟,所以入射波的相位在粒子上是不均匀的,造成了各子波在空间和时间上的相位差。在子波组合产生散射波的地方,将出现相位差造成的干涉。这些干涉取决于入射光的波长、粒子的大小、折射率及散射角。当粒子增大时,造成散射强度变化的干涉也增大。因此,散射光强与这些参数的关系,不象瑞利散射那样简单,而用复杂的级数表达,该级数的收□相当缓慢。这个关系首先由德国科学家G.米得出,故称这类散射为米散射。
(Mie Efficiencies)
- 2010-03-20 12:23:32下载
- 积分:1
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cpuinfo
这个函数读取各个比特的信息处理器和操作
系统,包括:
*中央处理器的名字
*时钟速度
*处理器缓存的大小(二级)
*号的物理处理器核心
*操作系统名称和版本
这是由程序/处理器(系统),sysctl(苹果)或命令行工具(窗口)。
需要在r2010a或以上。(This function reads various bits of information about the CPU and operating
system, including:
* CPU name
* CPU clock speed
* CPU Cache size (L2)
* Number of physical CPU cores
* Operating system name & version
These are provided by /proc/cpu (Unix), sysctl (Mac) or WMIC (Windows).
Requires MATLAB R2010a or above.)
- 2012-05-02 20:20:36下载
- 积分:1
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rashedi2010
BGSA: binary gravitational search algorithm
- 2014-12-04 20:19:13下载
- 积分:1
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Matlab-courseware
matlab 经典课件,0基础入门掌握matlab的相关应用,内含线性规划,无约束优化,非线性规划,统计,差值等m文件和实证分析(matlab classic courseware, 0 introductory mastered the matlab the relevant application, containing linear programming, unconstrained optimization, linear programming, statistics, the difference m file and empirical analysis)
- 2012-09-23 11:44:00下载
- 积分:1