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均匀介质各向同性二维弹性波数值模拟，采用cerjan边界条件。有公式及参考文献。带有速度模型以及雷克子波函数，解压后直接运行就可以。(The homogeneous medium isotropic two-dimensional elastic wave numerical simulation, using cerjan boundary conditions. formulas and references Sample are added.With the velocity model and the the Ricker wave function, and can be run directly after decompression.)

bayesian classification聚类贝叶斯的分类算法(bayesian classification:Clustering of bayesian classification algorithm)

产生随机信号观测样本，不同信噪比和归一化频率。分别用BT法和周期图法估计功率谱密度。(Generate random signal observation samples, different signal to noise ratio and normalized frequency.Using method of BT and cycle diagram method to estimate the power spectral density.)

排序问题，几个老师对多名学生打分，然后对学生进行排序(Scheduling problem, more than a few teachers of students scoring, and then sort the students)

有关如何读取视频和进行帧差计算的源码，有参考意义(codes for video reading and frames calculation)

混合整体最小二乘迭代法的matlab实现，供大家一块学习(he total least squares iterative hybrid method of Matlab implementation, for everyone to learn a piece)

说明：   需求：去餐厅预定座位，要求在订座的时候输入订座人的姓名，定金，餐位号。 1，客人提出要定位，(manger)

通过输入单位脉冲序列从而得到相应的单位脉冲响应(Input unit pulse sequence get unit impulse response )

windmill driven by PMSG and rectifier

短时能量 过零率 语音端点检测 连续语音(Short-term energy Zero crossing rate Voice activity detection)