Beam-Analysis-Matlab-Codes

该工具包是适用于地震数据的时频分析的工具包，对地震数据处理人员非常有用.(The kit is suitable for time-frequency analysis of seismic data toolkit for seismic data processing staff is very useful.)

a method of ofdm simulation using matlab(a method of OFDM simulation using Matlab)

自己编写的源代码能实现简单的形态学操作，如腐蚀膨胀边界提取(I have written the source code to achieve a simple morphological operations, such as corrosion expansion boundary extraction)

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)

矩阵计算中求逆中的gauseidel算法 速度比jacobi快多了(Inverse matrix calculation algorithm in gauseidel much faster speed than jacobi)

matlab学习资料，适用于初学者对matlab进行入门学习(matlab learning materials, suitable for beginners to get started on learning matlab)

UPDATED CODE FOR SEGMENTATION FOR ULTRASOUND IMAGES

MATLAB编写的遗传算法，采用二进制编码，有说明文档(Genetic algorithm written in MATLAB, using binary code, there is documentation)

自己编的Matlab实现旋转模式的CORDIC代码，附对应的参考资料，一看就懂。(Matlab realize their series rotation mode CORDIC code, with corresponding reference data, one can understand.)

程序中以一根接收天线为例，分别对一根发射天线、两根发射天线、三根发射天线和四根发射天线系统进行STBC仿真。比较误码率性能。(Program to a receiving antenna, for example, a transmitting antenna, respectively, the two transmit antennas, three transmit antennas and four transmit antenna system STBC simulation. Compare the bit error rate performance.)