array-pattern

脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程：采样、量化与编码。 采样：低通连续信号采样，以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理，绘出信号时、频图形；带通连续信号采样，以x=sin(20*t) m=x./t 为例说明带通采样定理，绘出信号时、频图形。 量化：均匀量化，以幅度 的正弦信号为例实现为64级电平的均匀量化；非均匀量化，输入A律PCM编码器的正弦信号 ，采样序列为 ，将其进行PCM编码，给出编码器的输出码组序列 编码：以上述信号为例，实现A律的13折线近似法及国际标准PCM对数A律量化编码。(Pulse code modulation (PCM) to achieve PCM technology programming three processes: sampling, quantization and coding. Sample: low-pass continuous signal sampling to x = sin (200* t) m = x./(200* t) m = m.* m an example low-pass sampling theorem, draw the signal, frequency graphics bandpass sampling continuous signals to x = sin (20* t) m = x./t an example bandpass sampling theorem, draw the signal, frequency graph. Quantization: uniform quantization, in order to realize the magnitude of sinusoidal signal as an example for the 64 level uniform quantization non-uniform quantization, input A law PCM encoder sine signal, the sampling sequence, to be PCM encoded, the encoder is given The output code sequence Code: A Case Study of the signal to achieve the 13 A line approximation law and international standards on the number of A law PCM coding quantization.)

谱估计源程序：是谱估计中的经典算法基于线阵MUSIC等算法的源程序(spectrum estimation source : spectral estimation algorithm based on the classic line array MUSIC algorithm of the source)

海洋内波压力波时间序列分析程序。用于分析海洋内波，去除高低平潮。(Ocean wave pressure wave in time series analysis program.Is applied to the analysis of ocean internal waves, get rid of the high and low tide.)

二质量伺服系统的Simulink仿真程序(Quality servo system in Simulink simulation program)

数字图像隐藏技术的仿真，针对一个图片现将其转换为灰白图像，然后将要隐藏的图片加入样本中，加入椒盐噪声攻击，最后将图片还原。(Digital image information hiding technology simulation, for a picture now converted to gray image, will then be hidden image is added to the sample, adding salt and pepper noise attack, finally will restore the picture.)

说明：  material property SiO2 for rcwa calculation

烟雾区域的上中下三部分，三部分变化速度是从小到大；Matlab仿真实现烟雾这一特征；(Smoke on the middle and lower regions of three parts, three parts of the rate of change is small to large Matlab Simulation of the characteristics of smoke )

说明：  matlab 中 基于avi视频的人脸检测(avi video matlab-based Face Detection)

说明：  基于遗传算法改进的神经网络算法，可以广泛的应用于数据预测及数据分析(Improved genetic algorithm-based neural network algorithm can be widely used in data forecasting and data analysis)

MIMO检测算法，内含主程序，噪声信道产生，最大似然检测算法，最小均方误差检测算法及16qam调制，64qam调制(MIMO detection algorithms, containing the main program, channel noise generated maximum likelihood detection algorithm, minimum mean square error detection algorithm and 16qam modulation, 64qam modulation)