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雷达方程仿真程序，包括基本的雷达距离方程，雷达能量方程，脉冲压缩处理等(radar function simulation code, including basic radar range function, radar power function, pulse compress processing)

以软件为主的方法实现QRS波的检测滤波之后的信号一般经过一些 变换以提高QRS波的份量，进而采用一系列阈值进行判别，这些阈值有固定 阈值法，也有可变阈值法。前者由于可能的干扰或高P、高T波的存在，若 其滤波后超过其阈值便会产生假阳性(FP，falsepositive)结果；另外，当心 律失常或QRS波幅度变小，阈值设置过高，会导致漏检产生假阴性(FN， falsenegative)结果。由于固定阈值的这些缺点，有研究者提出了用可变阈 值检测，以提高检测的精确率，所采用的可变阈值包括幅度阈值、斜率阈值 和时间间隔阈值等。(Give priority to with software method for detecting QRS wave signal after some commonly after filtering Amount of transformation in order to improve the QRS wave, then using a series of threshold to distinguish, the threshold value is fixed Threshold value method and variable threshold value method. The former due to the possible interference or the existence of the high P and T waves, if More than the threshold value is created after the filtering false positives (FP, falsepositive results In addition, be careful Law of disorder or QRS wave amplitude decreases, threshold is set too high, can lead to leak to produce false negatives (FN, Falsenegative) results. Due to these disadvantages of fixed threshold, some researchers have proposed using variable threshold Value detection, in order to improve the precision of detection rate, adopted by the variable threshold including amplitude threshold, the slope threshold And the time interval threshold, etc.)

图论最短路问题，应用弗洛伊德算法，非常非常的牛逼(Shortest path problem on graph theory, applications Floyd algorithm, very, very Niubi)

说明：  关于增加高斯白噪声的代码，对信号加上高斯噪声的仿真(Gaussian white noise to increase the code, the signal plus Gaussian noise simulation)

处理lasso regression。 使用stochastic Markov property。(Algorithm for solving the Lasso problem: 0.5* (y- X*beta) *(y- X*beta)+ lambda* ||beta||_1 where ||beta||_1 is the L_1 norm i.e., ||beta||_1 = sum(abs( beta )) We use the method proposed by Fu et. al based on single co-ordinate descent. For more details see GP s notes or the following paper: Penalized Regressions: The Bridge Versus the Lasso Wenjiang J. FU, Journal of Computational and Graphical Statistics, Volume 7, Number 3, Pages 397?416, 1998 )

三相电力有源滤波器，基于pq谐波电流检测的三相有源滤波器模型。输出为直流电压。(Three-phase Active Power Filter)

To implement the genetic algorithm for optimization of the given function. PROBLEM:- Given a one variable function f(x)= {█(2+e^((x-10)) +cos⁡ 〖(x-10) 〗 if x≤10 @2+ e^((10-x))+cos⁡ (10-x) if x>10)┤ Determine maximum function value f(x) and corresponding value of x in the user specified range, say [a, b] using GA.

power factor improvement by flyback dc to dc converter by controlling the output voltage

The program takes the intermediate stoichiometric matrix of a chemical reaction mechanism as the input and gives the intermediate nodes in terms of all the possible combinations of p-(q-1) reaction steps. This program is complimentary to the "Reaction Routes" program. Using both these programs a Reaction Route Graph for a chemical reaction mechanism can be constructed, which can be used for kinetics studies. The command to create a MATLAB function: new myfun It is also possible to append function code at the function m-file creation time as follows: new myfun disp( Hello World! )

化学化工中的数学方法及MATLAB实现代码(Chemistry and Chemical Engineering and Math in MATLAB code implementation)