ar1

this is machine mechanism in PID control of Motor whit zero-impulse used in matlab, draw freq fig.

对于排洪问题已给数据，对已有数据进行拟合并预测。(for flood relief problem,if giving data,it can be used to data fitting,and forecast the expectations.)

matlab中傅里叶变化的一个例子，希望对大家有用(fourier transform example)

说明：  在matlab中，进行单摆的模拟仿真，并作出图像(In MATLAB, the simulation of a single pendulum is carried out and the image is made)

coging for simple complex sinusoidal

该程序使用MATLAB编程实现目标标记的功能，并将图像与黑色背景叠加转化为二值图像(The program uses the MATLAB programming function of the target tag and the image is superimposed with a black background image into a binary)

基于反向传播神经网络(Back Propagation, BP)的数据分类简单应用(Simple application of data classification based on Back Propagation (BP))

说明：  5. 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，分析所设计方案的时间同步精度，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，画出比特信噪比与频率同步误差的关系曲线。 (5 In the three path Rayleigh channel, for direct sequence spread spectrum: (1) Please design a specific DS-CDMA code division guide-assisted channel estimation, receiver, etc were used to benefit the merger, the maximum ratio combining. With the Simulink simulation, BPSK BER performance measure, draw-bit signal to noise ratio and channel estimation mean square error of the curve, draw the signal to noise ratio and bit error rate curve, please explain in bit error rate 0.01, the two methods are combined performance of the different physical meaning. (2) frequency has been set up synchronization, a specific design of DS-CDMA single-stop sliding correlation method of time synchronization, simulation with Simulink (S-Function code their own way), analyze the design of time synchronization accuracy, draw bit signal to noise ratio and capture probability curve. (3) set time has been synchronized, a specific design of DS-CDMA frequency synchronization method, simulation using Simulink ()

则卡尔曼滤波的算法流程为： 1.计算预估计协方差矩阵2.计算卡尔曼增益矩阵3.更新估计4.计算更新后估计协防差矩阵(The Kalman filter algorithm processes as follows: 1. Calculate pre-estimate covariance matrix 2 calculate the Kalman gain matrix 3 updated estimate calculated after 4 update estimated defend difference matrix)

matlab基本信号处理函数及matlab基本信号处理函数及实例实例(matlab基本信号处理函数及实例matlab基本信号处理函数及实例matlab基本信号处理函数及实例)