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数字仿真技包括对均匀随机数进行性能检验的各种方法的检验，高斯分布的随机序列(Technology, including digital simulation of uniform random numbers to test the performance of the test methods, Gaussian distribution of random sequence)

本程序为无线通信中ofdm的一个仿真代码，采用qpsk的调制方式，适合初级学生学习。(This program is a simulation code ofdm wireless communications, using qpsk modulation, suitable for primary students.)

语种识别matlab程序，里面包括gmm，hmm模型的训练和测试，，，，，，(Language recognition matlab program, which includes training and testing gmm, hmm model,,,,,,)

this is a pdf file for solving complex optimization problems by local search

VNOI code minion.pas nguoi_giao_hang.pas robot_leo_cot.pas Max_square.pas Max_square_rectangular.pá

西北工业大学研究生课程，数字信号处理上机作业三(Northwestern Polytechnical University post-graduate courses, digital signal processing, machine operating)

基于matlab的粒子群优化算法，并且包含几种典型的测试函数(A Matlab optimization algorithm based on particle swarm, and contains several typical test functions.)

说明：  关于Arnold的一种反变换新算法 本算法无需根据周期恢复原图 只要知道正变换的密钥即可(Arnold on a new algorithm for the inverse transform of the cycle of the algorithm does not need to know is as long as the original recovery key can transform)

matlab编程入门基础讲义，非常实用的讲解及多个小程序(matlab programming entry basis of handouts, very practical presentation as well as a number of small programs)

介绍了一种特定频率响应滤波器的设计方法，具有很强的实际应用价值(Introduces the design method of a specific frequency response filter, which is of great practical application value)