qam_a

用鼠标画任意点,最终想用MatLab GUI开发画电机绕线图(Draw points with mouse)

现代通信系统matlab源代码，通信的肯定用得着的(Matlab source code for modern communications systems, communication certainly useful in the)

music算法：矩阵特征空间分解，在空间谱域求取谱函数最大值，其谱峰对应的角度即是来波方向角的估计值。(music algorithm: Matrix feature space decomposition, in the spatial spectral domain to strike a maximum spectral function, its spectral peaks corresponding to the angle that is DOA angle estimate.)

二维拉普拉斯，使用二阶中心差分，五点差分法，为SOR迭代(Two dimensional Laplasse, using the two order central difference, the five point difference method, SOR iteration )

matlab程序计算傅里叶变换全息图的相位和振幅，考虑了波长和工作距离等信息。(matlab program to calculate Fourier transform hologram of phase and amplitude, wavelength and consider the working distance and other information.)

拓扑优化双向渐近线。可以进行拓扑优化研究的算法(Topology optimization bidirectional asymptotes)

说明：  LDPC编码的BP译码算法的matlab程序(Matlab Program of BP Decoding Algorithms for LDPC Coding)

以下几个matlab程序对雷达常用的线性调频信号（lfm信号）进行脉冲压缩时的关键问题进行了仿真，其中包括旁瓣抑制影响（加窗与不加窗）、多卜勒频移影响，并对时域脉压与频域脉压结果进行了对比分析，供相关技术人员参考。(Matlab following procedures commonly used on the radar LFM signal (lfm signal) for pulse compression at the time of the key issues of simulation, including the impact of sidelobe suppression (plus a window with no window), the impact of Doppler frequency shift, time domain and frequency domain pulse pressure and pulse pressure results of comparative analysis of relevant technical personnel for reference.)

MATLAB初学者容易碰到的问题的相关解答，适合初学者的学习。(MATLAB for beginners easy to encounter problems related to answer, for beginners to learn.)

实现了对10个数字音的识别程序通过虚拟阵元进行DOA估计，BP神经网络用于函数拟合与模式识别。( Realization of 10 digital audio recognition program Conducted through virtual array DOA estimation, BP neural network function fitting and pattern recognition.)