hw_thy

该程序主要进行重力一位界面的反演，该程序精度准确,具有很好的实际应用效果。(The program mainly for gravity inversion of an interface, the program precision, with good practical results.)

说明：  用遗传算法求解函数最优值，收敛速度快且不易陷入局部最优值。遗传算法是经典算法，此程序适合初学者。(A Genetic Algorithm for the optimal value function, convergence is fast and easy to fall into local optimal value. Genetic algorithm is a classical algorithm, this program suitable for beginners.)

a matlab code about estimating model order with AIC criteria in modeling

transfer function code(transfer function code in matlab)

34个省份的地图的代码以及相关的属性，并提供相应的地图图形及四分图 (it is a example of providing how to do lm tests)

本文以数字图像处理、压缩技术和MATLAB应用为基础，偏重于MATLAB图像处理的分析和应用。涉及到关于图像处理的图像增强、二值处理、小波分析和图像压缩的基本概念，解决了利用低通、高通滤波，膨胀，腐蚀，平滑，边缘提取和基于DCT变换，小波变换的图像压缩技术的图像处理，制作了一个关于图像处理和图像压缩的系统。(good)

This is code to simulation of AM, FM, PSK, QAM modulation

QPSK BER SER AWGN 正交相移键控的基带数字通信系统(QPSK BER SER AWGN )

对周期排布的介质柱上钻有小孔的结果进行平面波的分析(cycle arrangement of the media column of drilling a small hole results plane wave analysis)

M/M/1单服务台排队系统仿真（用事件调度法实现离散事件系统仿真） 顾客到达模到达时间间隔和顾客服务时间均服从负指数分布，单服务台系统，按照单队排队，按FIFO方式服务。考察服务n个顾客（n=1000，2000，3000，5000）后的顾客平均队长及平均排队等待时间。(M/M/1 single-server queuing system simulation (using Event Scheduling Method Discrete Event Simulation System) to customers Da-mo arrival time interval and customer service time are negative exponential distribution, single-desk system, in accordance with the single-team queue, by FIFO mode services. N inspection services customers (n = 1000,2000,3000. 5000) the average customer captain, and the average queue time.)