7.6

通过BUTTERWORTH滤波器,讲语音信号中的噪声过滤掉.(By BUTTERWORTH filter, speaking voice signal in the noise filtered out.)

本程序是改进的EM算法的Matlab程序，不知是否正确，请指正(EM for Matlab)

matlab语言写的细胞自动机数字水印算法(matlab language of cellular automata Digital Watermarking Algorithm)

数学形态学用于技术分析ECG心律的探测，很不错的(mathematical morphology for technical analysis of the ECG arrhythmia detection, very good)

用来计算无风险利率三次样条贴现函数的程序(No risk-free interest rate used to calculate the cubic spline function discounting)

模拟退火算法(Simulate Anneal Arithmetic,SAA)，模拟退火算法(Simulate Anneal Arithmetic,SAA)是一种通用概率演算法,用来在一个大的搜寻空间内找寻命题的最优解(The simulated annealing algorithm is the probability of a universal algorithm is used to find the optimal solution of the proposition in a large search space)

基于IMU的四元扩展卡尔曼滤波程序，主要用于姿态更新和数据融合(Quaternary-based IMU EKF program, mainly for the attitude update and data fusion)

矢量控制的坐标变换，可以实现park变换(Coordinate transformation vector control can be achieved park transformation)

层数N对光子晶体带隙的影响，不同的介质层数N，即不同的周期数,传输矩阵也不同，光子晶体的反射率和透射率也不同。(Influence of layers N bandgap of photonic crystals)

说明：  数模2015A题程序设计，给定影子长度计算所在位置的经纬度。(MCM 2015A The program design of digital and analog question 2015A calculates the longitude and latitude of the position given the shadow length.)