app_discret

1. 判断闰年 根据输入的具体年份（在1900-2100之间，要求对输入进行有效性检查），判断是否闰年，并给出相应的提示信息 (1. To determine leap year according to input a specific year (in 1900-2100 between the call for input validation), to determine whether a leap year, and gives the corresponding tips)

一份英文的讲义，讲述了在多径条件下多普勒频移对无线通信的影响。并对各种条件用MATLAB进行了仿真。(An English lecture, described the conditions in the multi-path Doppler frequency shift of the impact of wireless communications. Various conditions and conducted a simulation using MATLAB.)

说明：  基于Graph Cut的一种分割方法，比较著名的论文。(Graph Cut based on a segmentation method to compare the famous paper.)

QWT code for Disparity Estimation.

mfcc特征提取的程序,程序还需要enframe和melbankm，会一起上传(mfcc feature extraction procedures, the program also needs enframe and melbankm, upload them together)

MIMO-OFDM系统的介绍，以及相关的MATLAB仿真(MIMO-OFDM Wireless Communications with MATLAB)

sd program in spi interface .. you can connect a sd memmory using spi interface

说明：  OFDM信道估计(梳状导频)，差分检测对比仿真。 非常简单，清晰明了，适合OFDM初学者(OFDM channel estimation (pilot comb), differential detection simulation comparison. Very simple, clear, suitable for beginners OFDM)

说明：  共轭梯度法求解带约束的非线性方程组，有两个测试问题(Solving nonlinear equations with constraints by conjugate gradient method)

Power Density Function of output process in system with transfer functiony(x)=x2-3 and input proces mx=0 , δx2=3.