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-给原始的语音信号加上一个高频余弦噪声，频率为5kHz。画出加噪后的语音信号时域和频谱图--(- To the original speech signal with a high-frequency cosine noise, frequency of 5kHz. Draw the speech signal with noise after the time-domain and frequency spectrum-)

Analisis de fallas en sistemas de potencia

实现多输入单输出的预测功能，预测精度高，程序操作简单，易于修改应用。(The prediction function of multi input and single output is realized. The prediction accuracy is high, the program operation is simple, and it is easy to modify the application.)

模拟信号的AM调制与解调，在simulink平台的仿真实现程序(Analog signal AM modulation and demodulation, simulation simulink platform to achieve the program)

说明：  1、主要是产生0，1，2，3，阶贝赛尔函数图形。 2、产生线性调频信号和它的的频谱图。 3、产生单个脉冲的三维模糊图以及对应的等值图。 4、它是程序3的嵌套子程序，用于产生单个脉冲。 5、用于产生高斯和瑞利分布函数。 (These programs can produce 1、Bessel graph；2、LFM signal and its amplitude spectrum；3、ambiguous graph 4、Gaussian and Rayleigh function. )

窗函数法设计数字滤波器 矩形窗、海宁窗、汉明窗和布莱克曼窗 滤波特性(Window function method to design digital filters rectangular windows, Haining window, Hamming window and Blackman window filtering properties)

说明：  单天线联合检测算法的matlab仿真源程序——场景：基站和1用户单天线，TD下行(Single-antenna co-detection algorithm of matlab simulation source code- the scene: the base station and a user single-antenna, TD downlink)

Discrete Cosine Transformation

数学建模 蚁群算法最短路径通用Matlab程序(Ant Colony Algorithm for shortest path Matlab source code)

有序样品的最优分割程序。本程序优点在于分类齐全，使用方便、直观。供大家学习参考。(ordered the optimal sample segmentation procedures. The classification process is complete advantages, easy to use, intuitive. We reference for the study.)