plot_data_v1

nmf的两个简单例程，搜集于网络，为matlab代码。(nmf two simple routine to collect network matlab code.)

it deals with test attractor, which is related to fractal.

Differential PSK (DPSK) 􀂄 Inexpensive 􀂄 Quadrature Phase Shift Keying (QPSK) 􀂄 Twice as spectrally efficient than BPSK 􀂄 Offset QPSK (OQPSK) 􀂄 reduce envelope variation 􀂄 π/4 QPSK 􀂄 reduces envelope variations to a lesser extent than OQPSK can be noncoherently detected

matlab经典绘图案例。包括三维曲面z=x^2+y^2的动画、正弦曲线的动画、切片图、向量图、三维彗星图、三角形网格图、三角形表面图、球面、等值线图、三维瀑布图、三维火柴杆图、三维散点图、柱形图、三维条形图、三维饼图、带形图、曲线图、高斯分布函数的曲面图、高斯分布函数的网格图、5阶高斯分布矩阵、梯度场矢量图、罗盘图、玫瑰花图、羽列图、数据向量的单轴对数坐标图、矩阵的条形图 矩阵的面积图、二维饼图、散点图、误差图、火柴杆图和碗状曲面图等等。 (Drawing matlab classic case. Including three-dimensional surface z = x ^ 2+ y ^ 2 animation, animated sine curve, slices, vector graphics, three-dimensional map comet, triangular grid map, triangular surface plots, spherical, contour, 3D waterfall, three-dimensional grid graph matchstick figure, three-dimensional scatter plot, bar chart, the three-dimensional bar charts, three-dimensional pie charts, strip charts, graphs, surface, Gaussian distribution function, the Gaussian distribution function, fifth-order Gaussian distribution matrix gradient vector field, compass, rose diagram, feather column chart, the data vector uniaxial logarithmic graph, bar graph matrix Area chart matrix, two-dimensional pie charts, scatter plots, error plots, matchstick figure and bowl surface map and so on.)

压电智能悬臂梁振动主动控制的研究 压电智能悬臂梁振动主动控制的研究 (Piezoelectric active vibration control of smart cantilever beam study of piezoelectric active vibration control of smart cantilever beam research)

particle filter粒子滤波简易程序(particle filter)

matlab读取数据文件，进行fft，再写入数据文件，最后比较变化。(matlab to read data files for fft, and then write the data file, and finally compare changes.)

将2,4,8进制的DPSK信号的误码率曲线进行仿真，并将其放在一个图中进行对比(2,4,8-ary DPSK signal simulation BER curves, and placed in a graph comparing)

设计了对于数字预失真的仿真程序，应用LMS急降方法实现系数更新，对失真有很好的效果(Designed for digital pre-distortion simulation program, the drop of the LMS coefficient update method implementation, have a good effect on the distortion)

该文件是使用粒子群算法来求解BP神经网络饿最优解，进而对样本数据训练学习(The document is the use of particle swarm optimization to solving hunger BP neural network the optimal solution, and then the training sample data for the study)