p3_4

程序利用快速傅立叶变换及逆变换模拟了脉冲在光纤中传输时三阶色散对脉冲形状的影响。(A procedures using fast Fourier transform and inverse transform simulation of the pulse in fiber transmission third-order dispersion on the shape of the pulse the impact)

　数字信号处理的主要研究对象是数字信号，且是采用运算的方法达到处理的目的的(The main digital signal processing research object is a digital signal, and the method of operation is used to achieve the purpose of processing)

最优化单纯型法-matlab算法最优化单纯型法-matlab算法最优化单纯型法-matlab算法(Simplex method optimization algorithm optimization-matlab-matlab algorithm simplex method simplex method optimization algorithm-matlab)

Hybrid PSO and GA algorithm codes for Global optimization problems with a sample and cost function.

基于信道的历史信息来预测不同信道的未来可用时间可以帮助CR选择一个最佳信道进行信息传递。不同的预测准则应用到周期或是随机的开关模式中。一个CR可以学习以往不同信道的模式。我们提出一个简单的分类和学习方法去检测模式的类型和收集需要的信息用于智能信道的选择。MATLAB仿真结果显示提出的方案在随机信道的随机和周期模式中都有优越的表现。随着时间的变化，新到的切换次数减少到55 ，并且延迟时间也相应减少，而吞吐量却在提高。(Prediction of future availability times of different channels based on history information helps a cognitive radio (CR) to select the best channels for control and data transmission. Different prediction rules apply to periodic and stochastic ON-OFF patterns. A CR can learn the patterns in different channels over time. We propose a simple classification and learning method to detect the pattern type and to gather the needed information for intelligent channel selection. Matlab simulations show that the proposed method outperforms opportunistic random channel selection both with stochastic and periodic channel patterns. The amount of channel switches needed over time reduces up to 55 , which reduces also the delay and increases the throughput.)

Matlab數位影音處理 影像方面的處理(Matlab image processing digital audio-visual aspect has been dealt with)

用matlab实现16-QAM调制与解调，在simulink里面实现，能观察16QAM信号，星座映射图，毕业设计很好的参考资料。(Using matlab to achieve 16-QAM modulation and demodulation, which in simulink realization can be observed 16QAM signal constellation map, a good reference for graduation. )

可以用来进行股市预测的matlab代码，直接模仿就可以用了(Can be used for stock market prediction matlab code, you can use a direct imitation)

介绍粒子滤波算法的程序，具有一定的指导意义(Particle filter algorithm describes the procedure has certain guiding significance to)

说明：  用MacCormark格式求解一维Burgers’方程(MacCormark format used for solving one-dimensional Burgers' equation)