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FastICA23

于 2007-10-17 发布文件大小:42KB

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下载积分: 1 下载次数: 6

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代码说明：

fastica用于信号处理系统的源码，希望大家多分析多学习(FastICA for signal processing systems source code, I hope everyone more and more analysis of learning)

文件列表：

FastICA_2.3 for Matlab 6.x
..........................\FastICA_2.3 for Matlab 6.x
..........................\..........................\FastICA_23
..........................\..........................\..........\Contents.m
..........................\..........................\..........\demosig.m
..........................\..........................\..........\dispsig.m
..........................\..........................\..........\fastica.m
..........................\..........................\..........\fasticag.m
..........................\..........................\..........\fpica.m
..........................\..........................\..........\gui_adv.m
..........................\..........................\..........\gui_advc.m
..........................\..........................\..........\gui_cb.m
..........................\..........................\..........\gui_cg.m
..........................\..........................\..........\gui_help.m
..........................\..........................\..........\gui_l.m
..........................\..........................\..........\gui_lc.m
..........................\..........................\..........\gui_s.m
..........................\..........................\..........\gui_sc.m
..........................\..........................\..........\icaplot.m
..........................\..........................\..........\pcamat.m
..........................\..........................\..........\remmean.m
..........................\..........................\..........\whitenv.m

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SENSEgfactorcalculation
计算SENSE重建图像中的g-factor,这是并行磁共振成像SENSE算法的关键一步(G-factor is the metric to quantify the amplificaiton of noise power in reconstructing SENSE accelerated image. The detail was presented in Pruessmann s 1999 Magn. Reson. Med. paper. In theory, g-factor is the pixel-by-pixel ratio of the image variance between the SENSE reconstructed image and un-accelerated image. And g-factor depends on: (1) the k-space data trajectory (2) coil sensitivit profiles (3) noise covariance matrix of the array coil)

2009-06-06 18:32:02下载

积分：1
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The latest generation of high-end video cards oﬀ er considerable computing power using their 100–200 on-card processors, 0.3–1.0+ GB of RAM, and fast inter-processor communications. One promising application of this Graphics Processing Unit (GPU) computing capability is through Matlab and Matlab mex functions. With a properly developed mex function, the user-friendly Matlab interface can be used to perform behind-the-scenes parallel computations on the GPU. (The latest generation of high-end video cards offer considerable computing power using their 100-200 on-card processors, 0.3-1.0+ GB of RAM, and fast inter-processor communications. One promising application of this Graphics Processing Unit (GPU) computing capability is through Matlab and Matlab mex functions. With a properly developed mex function, the user-friendly Matlab interface can be used to perform behind-the-scenes parallel computations on the GPU.)

2011-06-21 02:17:46下载

积分：1
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本文先简要介绍了矩阵的积分和微分的定义；接着通过弹簧-质量块儿-阻尼器系统的例子，阐述了求解常微分方程数值解的常用方法；最后，在前两部分的基础上，总结了用MATLAB求解形如_X(t) = f(X(t); t) 矩阵微分方程数值解的方法。(In this paper, the definition of integral and differential of matrix is briefly introduced. Then the common method of solving numerical solution of ordinary differential equation is described by the example of spring mass block damper system. Finally, on the basis of the first two parts, the solution of the form of _X is summed up by MATLAB. (T) = f (X (T); t) numerical solution of matrix differential equations.)

2018-07-07 19:08:06下载

积分：1
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说明： matlab GUI,包括confirm对话框和modal型图形界面的用法。(matlab GUI, including the confirm dialog box and the use of modal-based graphical interface.)

2010-06-04 01:35:57下载

积分：1
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ga源代码，使用matlab实现遗传算法的源代码(ga source code, the use of genetic algorithm matlab source code)

2009-05-09 09:41:13下载

积分：1
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，用MATLAB实现快跳频通信系统的仿真。主要应用了SIMULINK和COMMUNICATION BLOCKETS两个模块。整个设计包括了信源产生部分、发送部分、跳频调制部分、信道部分、接收部分和结果分析部分共六个模块，核心技术是伪随机序列的产生和频率合成器的设计，而关键技术是收发两端的伪随机码元的同步。伪随机码的产生用S－函数编程来开发自己的SIMULINK模块。同步的实现是收发两端采用相同的扩频脉冲触发。而且在设计中每个模块都采用了模块封装技术，从而简化了框图结构(Using MATLAB to achieve fast frequency-hopping communication system simulation. The main use of SIMULINK and COMMUNICATION BLOCKETS two modules. The whole design, including part of the generated source, sending part of some frequency-hopping modulation, channel of the receiving part and the results of analysis of part of a total of six modules, the core technology is the emergence of pseudo-random sequence and frequency synthesizer design, and the key technology is the transceivers at both ends of the pseudo-random synchronization symbol. Pseudo-random code generated by S-function programming to develop their own modules SIMULINK. Synchronization is used to send and receive ends of the same spread-spectrum pulse trigger. But also in the design of each module using the module packaging technology, which simplifies the structure of the diagram)

2021-03-22 14:09:16下载

积分：1
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一个按自己意愿设计子图和轴外注释的小程序，很具有个性化。(A small program to design figure and explanation of outer axes according to one s own willingness, with personal characteristics.)

2005-08-03 11:41:42下载

积分：1
enhencement
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