no21

插值和拟合 matlab算法实现 可以直接调用(Matlab interpolation and fitting algorithm can be directly called)

说明：  小世界网络路径求法，以及聚集度的求法，开发环境是matlab(small world)

这是关于如何使用MATLAB的一个PPT，希望对大家有帮助(failed to translate)

巴特沃斯带通滤波器，简单实用，matlab(Butterworth bandpass filter, simple and practical, matlab)

归一化的LMS算法(the LMS algorithm)

国外经典书籍MULTIVARIABLE FEEDBACK CONTROL-多变量反馈控制 的源码，是学习多变量反馈控制必不可少的Matlab源码！(Foreign classic books MULTIVARIABLE FEEDBACK CONTROL-multi-variable feedback control of the source code is studying multivariable feedback control essential Matlab source code!)

本程序是用经验模态分解(EMD)算法检测VF信号的，该算法的灵敏度和特异性都达到了90 以上。(This procedure is used empirical mode decomposition (EMD) algorithm to detect VF signals, the sensitivity and specificity of the algorithm has reached more than 90 .)

CSPHANTOM is a test phantom tailored to compressed sensing MRI algorithm development. It is designed to be non-sparse under a gradient transform and to contain features difficult to reproduce with partial Fourier sampling. We hope that this phantom can be used to evaluate the quality and accuracy of compressed sensing MRI reconstruction algorithms in the noise-free domain so that real-world applications of CS MRI may be improved.

clustering clustering

直线阵自然指向性仿真,先根据设定的角频率仿真单频信号A sin(ωt)；再根据阵元间距、入射角度计算得各阵元相对参考阵元接收的信号的时延 τ (dsin(θ))/c。 假设等间隔N基元线阵，入射信号是平面波，那么阵元输出信号为：S_n (t) A sin(ωt+nφ)；其中 φ 2πfτ 为相邻阵元接收信号间的相位差；再将基阵各元输出求和，取最大值max,就得到输出幅度；以入射角为横坐标，幅度为纵坐标作图得直线阵自然指向性。 (Linear array directivity simulation)