fpa_demo

用分步傅里叶变化法求解非线性薛定谔方程，适用于非线性光纤系统(split_step_fourier method for nonlinear fiber optic)

用于信道估计的LS算法仿真 我们对基于信道估计的训练序列进行了一个详细的研究，此种训练序列是用在中继节点的转接放大设计上。(we provide a complete study on the training based channel estimation issues for relay networks that employ the amplify-and-forward (AF) transmission scheme.)

matlab数理统计数据箱 学习matlab很有用(matlab mathematics matlab statistical data useful for me to learn)

设计一个8阶以内的带通滤波器，通带截止频率fc1=30070HZ，fc2=32170HZ，通带内允许最大衰减0.2dB。设计满足要求的Butterworth滤波器和chebyshev滤波器。以RC运放为基本单元以最易实现的原则完成电路设计及参数选择，并根据设计参数进行幅频特性和相频特性的仿真，给出仿真曲线。分析电路的无源灵敏度。(Design within an 8-order band-pass filter, the passband cutoff frequencies FC1 = 30070HZ, FC2 = 32170HZ allow maximum attenuation 0.2dB within the passband. Designed to meet the requirements of the Butterworth filter and chebyshev filter. RC op amp is the basic unit is the most easy to implement the principle of complete circuit design and parameter selection, and in accordance with the design parameters of the amplitude-frequency characteristics and phase-frequency characteristics of the simulation, simulation curve. Passive sensitivity of the analysis circuit.)

基于OFDM系统的卷积码的误码性能分析，BPSK调制，加循环前缀，导频，进行了信道估计。(OFDM system；convolutional code BPSK modulation pilot Channel Estimation )

包含12个MATLAB函数，分别长生2PSK 4psk 8psk信号 和16QAM信号以及星座图 噪声程序等(12 MATLAB includes a function of longevity separately 2PSK 4psk 8psk signal and 16QAM signal constellation diagram, as well as procedures such as noise)

基于Field开发环境，超声成像图像。波束宽度的求解以及各种发射和接收模式的成像效果图。(Field-based development environment, ultrasound imaging images. Solution of beam width and a variety of transmit and receive mode imaging map.)

利用matlab模拟光纤中TE模的模式分布图。(Using matlab simulation model TE mode fiber distribution.)

对图像进行gabor变换和图像纹理分割的页面(The image transform and image texture segmentation)

Matlab code for multiclass svm