filter_ex1

matlab的维特比译码程序，加入汉明距离的提取(matlab Viterbi decoding process, from extraction Jiaruhanming)

一个相干光OFDM系统范例，其中包括频偏补偿、信道估计即色散补偿、相差估计、误码率计算等等。(A coherent optical OFDM system paradigm, including frequency offset compensation, channel estimation, namely the dispersion compensation, a phase difference estimation and error rate calculation, and so on.)

自己编写的burg算法实现的matlab源程序,希望对大家有用。(I have written burg algorithm of matlab source, and I hope useful.)

说明：  针对一般的粒子群优化(PSO)学习算法中存在的容易陷入局部最优和搜索精度不高的缺点,对改进型PSO算法进行研究。由于惯性权重系数ω对算法是否会陷入局部最优起到关键的作用,因此,通过改变惯性权重ω的选择,对惯性权重系数采取线性减小的方法,引入改进型的PSO算法。采用改进的PSO算法对PID控制器进行参数优化并把得到的最优参数应用于控制系统中进行仿真。仿真实验结果表明:改进型PSO算法不会陷入局部最优,能得到全局最优的PID控制器的参数,并使得控制系统的性能指标达到最优,控制系统具有较好的鲁棒性。(Aiming at the shortcomings of general PSO learning algorithm, which is easy to fall into local optimum and low search precision, the improved PSO algorithm is studied)

一个小波边缘检测的MATLAB程序,一个小波边缘检测的MATLAB程序(One of the MATLAB wavelet edge detection procedure, one of the MATLAB wavelet edge detection procedure)

说明：  这个模型可以在MATLAB中计算资金的贬值情况，根据利率与时间的长度，最后得到资金的现值或终值( For example, the cost of an asset is $13,000 with a life of 10 years. The salvage value of the asset is $1000. To find the remaining depreciable value after 6 years, use the following commands. Find the accumulated depreciation with the straight-line depreciation function, DEPSTLN. )

a band pass signal through an ideal BPF x(t) =[1+cos(pi*t/T)]*cos(2pi*fc*t)

模拟巴特沃斯滤波器，并可观察期幅频相频特性曲线(Analog Butterworth filter, and can observe the phase frequency of amplitude-frequency characteristic curve)

卡拉曼滤波器的c语言实现！非常好！很可以初学者使用！(Karaman filter c language! Very good!)

code matlab code matlab code matlab code matlab