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说明：  几个模式识别的作业程序，自己写的。望指教哦，内容有感知器算法、多类感知器算法以及K均值算法(Several pattern recognition procedures, wrote it myself. Advice Oh look, the contents of perceptron algorithm, multi-sensor algorithm, as well as K-means algorithm)

code for maximum likelyhood in matlab

bayesian classifier for 2 class

标准粒子群算法，基于MATLAB环境下的实现(Standard particle swarm optimization algorithm in MATLAB)

PID参数的整定就是合理的选择PID三参数。从系统的稳定性、响应速度，超调量和稳态精度等各方面考虑问题，三参数的作用如下：(PID parameter setting is the reasonable choice of three parameters of PID. From the system stability and response speed, overshoot and steady state accuracy and so on various aspects to consider problem, the role of the three parameters are as follows:)

绘制分钟级自动站气象战数据与能见度数据的对比图(Draw-the-minute weather warfare automatic station data comparison chart data and visibility)

Euler折线法求解微分方程 (Euler line method to solve differential equations)

经典卡尔曼滤波预测程序，基于观测数据更新，对未来数据进行预测(KALMANF- updates a system state vector estimate based upon an observation, using a discrete Kalman filter.)

遗传算法优化支持向量机程序，用于参数寻优，提高分类率(Genetic algorithm optimization support vector machine program)

说明：  watterson信道matlab仿真,瑞利衰落。。。。(This example shows how to simulate High-Frequency (HF) ionospheric channels, based on the models described in Recommendation ITU-R F.1487. In particular, it shows how to simulate the general Watterson channel model, and other simplified channel models used in the quantitative testing of HF modems. It makes use of the Rayleigh multipath fading channel object and the Gaussian and bi-Gaussian Doppler structures from Communications System Toolbox.)