suiji

Jacobi矩阵一般是坐标变换时用的——这个坐标系的坐标依次对那个坐标系的坐标求偏导数即得Jacobi矩阵。积分时从直角坐标变到球坐标、极坐标肯定要在积分号里乘上Jacobi矩阵的行列式。 若其特征值全为正，则此Jacobi矩阵正定，即它的任何二次型都大于零。并且如果是对称Jacobi矩阵，还可以实相合于一个单位阵。是比较强的条件。矩阵A的特征值是这个关于x的方程的所有根 det(A-xI)=0(Jacobi)

MATLAB neural network backprop code This code implements the basic backpropagation of error learning algorithm. The network has tanh hidden neurons and a linear output neuron. adjust the learning rate with the slider

利用kalman实现目标跟踪的MATLAB源代码，能够实现。(Target tracking using kalman the MATLAB source code, can be achieved.)

MATLAB source code: This function implements the *(int*)(&float_var).(MATLAB source code : This function implements the* (int*) ()

扩频通信（DSSS）Matlab仿真程序(Spread Spectrum Communications (DSSS) Matlab simulation program)

This file describes about the working of BPSK MIMO OFDM system, here we are using two equalizing methods one based on matched filter and the other on MMSE and the relative comparison is done.

在通信中实现ＱＡＭ８的星座图恢复，并且附上了结果图作为参考。ＱＡＭ８的星座图是一种简单的调制方式(QAM8 achieve constellation in communication recovery, and attach the results shown as a reference. QAM8 constellation is a simple modulation)

This document is aimed at MATLAB® beginners who already know the syntax but feel are not yet quite experienced with it. Its goal is to give a number of hints which enable the reader to write quality MATLAB® programs and to avoid commonly made mistakes.

This is file for assembler code

交错并联PFC boost，使用plecs仿真，仿真完美，电压电流环使用typeII补偿，CCM平均电流模式，额定功率500W，可根据需要改变参数(Interleaved PFC boost, use plecs simulation perfectly, voltage and current loop using typeII compensation, CCM average current mode, rated power 500W, parameters can be changed as needed)