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说明：  矢量控制学习笔记。PMSM电机的基础和进阶知识汇总。(Vector control study notes. PMSM motor basic and advanced knowledge accumulation.)

Hooke And Jeeves Using Line Searches nonlinear optimization

在理想信道条件下、在高斯白噪声信道条件下和在先经过瑞利衰落信道再通过AWGN信道条件下的QPSK仿真（基带输入波形及其功率谱、QPSK调制信号及其功率谱、QPSK信号星座图、误码性能等）(In an ideal channel conditions, in white Gaussian noise channel conditions and earlier through Rayleigh fading channels through QPSK simulation AWGN channel conditions (baseband input waveform and its power spectrum, QPSK modulation signal and its power spectrum, QPSK signal constellation Figure, error performance, etc.))

BWT decomposition Version 1.2 Arguments: im: A square image side length must be a power of 3 Result: decomp: The decomposition is laid out (BWT decomposition Version 1.2 Arguments: im: A square image side length must be a power of 3 Result: decomp: The decomposition is laid out as (per Figure 3 of Willmore et al 2008): Citation: Willmore B, Prenger RJ, Wu MC and Gallant JL (2008). The Berkeley Wavelet Transform: A biologically-inspired orthogonal wavelet transform. Neural Computation 20:6, 1537-1564 )

一段matlab的程序，供大家交流，学习数学应用软件是一件有益处的事情！(matlab)

应用matlab编程，实现了对CT图像的重建(reconstruction for CT image)

递推算法与最小二乘具有相同的结构，但基本原理不同(Recursive algorithm has the same structure as least square, but the basic principle is different.)

此程序可以产生golden序列，只要输入相应的特征多项式，就可以得到序列(This program can produce the golden sequence, as long as the input of the corresponding characteristic polynomial, you can get the sequence)

Bus Admittance Matrix

It is about matlab which depicts brain image segmentation