elcshuiping

说明：  多径衰落信道下的通信系统建模仿真多径衰落信道下的通信系统建模仿真(Multipath fading channel modeling and simulation of communication systems)

关于锁相环路的相关仿真，描绘的是一阶锁相环，二阶及三阶的各个特性。(PLL simulation, depicted is a first-order phase-locked loop, the second-order and third-order characteristics.)

T=[1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1] 输入向量的最大值和最小值 threshold=[0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1] net=newff(threshold,[31 3],{ tansig , logsig }, trainlm ) 训练次数为1000，训练目标为0.01，学习速率为0.1 net.trainParam.epochs=1000 net.trainParam.goal=0.01 LP.lr=0.1 net = train(net,P,T) 测试数据，和训练数据不一致 P_test=[0.2101 0.0950 0.1298 0.1359 0.2601 0.1001 0.0753 0.0890 0.0389 0.1451 0.0128 0.1590 0.2452 0.0512 0.1319 0.2593 0.1800 0.0711 0.2801 0.1501 0.1298 0.1001 0.1891 0.2531 0.0875 0.0058 0.1803 0.0992 0.0802 0.1002 (T = [1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1] ' of the maximum and minimum input vector threshold = [0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1] net = newff (threshold, [31 3], {' tansig' , ' logsig' }, ' trainlm' ) training times for the 1000 target of 0.01 training, learning rate of 0.1 net.trainParam.epochs = 1000 net. trainParam.goal = 0.01 LP.lr = 0.1 net = train (net, P, T) test data, and training data inconsistencies P_test = [0.2101 0.0950 0.1298 0.1359 0.2601 0.1001 0.0753 0.0890 0.0389 0.1451 0.0128 0.1590 0.2452 0.0512 0.1319 0.2593 0.1800 0.0711 0.2801 0.1501 0.1298 0.1001 0.1891 0.2531 0.0875 0.0058 0.1803 0.0992 0.0802 0.1002 )

是关于ofdm仿真系统的源代码 放心下载 验证正确(Is a simulation system on the source code for ofdm)

线性回归算法,其功能是对一组数据进行分析预测,数据分为年度,月度,季度数据(Linear regression algorithm, and its function is to a group of data analysis and forecasting, data is divided into annual, monthly, quarterly data)

清华大学张旭东老师《现代信号》处理大作业的代码，实现Pisarenko、Music和Esprit算法。代码高效正确。(This code is programed for the algorithms of Pisarenko,Music and Esprit.And they are especially for the project of modern signal processing ,which is tought by Zhang Xudong in Qinghua University.)

本程序利用小波变换实现正常心音信号单子带分解与重构(This procedure to achieve a normal heart sounds using wavelet transform signal decomposition and reconstruction with a list)

说明：  主要是介绍卡尔曼滤波器的原理，并形象地说明了实现过程，最后用matlab实现了这一原理。(Mainly to introduce the principle of Kalman filter, and vividly illustrates the realization of the process, and finally use matlab to achieve this principle.)

carmaker和matlab联合做的速度跟随程序(speed tracking)

求一维抛物线方程的全隐/显式格式离散方法的解法。matlab(Seeking a full-dimensional parabolic equation implicit/explicit solution form discrete methods. matlab)