shiyong

本程序使用MATLAB编写的，采用RBF网络和遗传算法对数据进行优化，找出最优解(This program written using MATLAB, using RBF networks and genetic algorithms to optimize the data to find the optimal solution)

说明：  若锗中含有一定数量的杂质元素Sb，试根据要求分析杂质浓度与电离度以及电离温度之间的关系： （1）当Sb浓度分别为 和 时，计算杂质99％，90％和50％电离时的温度各为多少？ （2）根据一定杂质类型和杂质浓度，画出电离度和温度的关系图线，并确定半导体处于强电离区（电离度>90％）的温度范围。 设计要求：（1）具有友好输入输出界面； （2）调整输入数据，得出相应结果，并进行分析。 (If the germanium containing a certain number of impurity elements Sb, test analysis in accordance with the requirements of impurity concentration and ionization degree, as well as the relationship between the ionization temperature: (1) When the Sb concentration and time were calculated 99 percent of impurities, 90 and 50 ionization When the temperature of each number? (2) according to certain types of impurities and impurity concentration, ionization degree and temperature to draw the relationship between the graph lines, and to determine the semiconductor in a strong ionization zone (ionization degree)

matlab编写实现NEC编码，结合任意波形发生器，采样率50K(matlab prepared to achieve NEC coding, combined with an arbitrary waveform generator, sample rate 50K)

北京航空航天大学出版的matlab从零进阶的原程序代码第1章案例21.3源代码(Beijing University of Aeronautics and Astronautics from zero Advanced matlab published the original program code in Chapter 1 Case 21.3 source code)

PCM在matlab环境下的脉冲编码，编码译码，波形仿真(PCM pulse code, coding, decoding)

实现16ＱＡＭ的软解调，输出软度量值。 并附上参考文献。(To achieve the soft demodulation 16QAM)

根据观测矢量，计算载体的三位姿态，这里选择的方法为经典的triad 方法。精度有限，但是简单实用(the determination of objuect attitude)

计算Lorenz系统的李雅谱诺夫指数，非常实用，稍微修改一下就可计算自己的李雅谱诺夫指数了(Lorenz system calculated Lyapunov index, very useful, you can slightly modify the calculation of their Lyapunov index of the)

在matlab平台下产生信号序列通过QPSK方式调制通过高斯信道以及瑞利信道，对其中的过程的信号时域以及其频谱，星座图情况进行分析(Matlab platform in the signal sequence under way through the QPSK modulation, as well as through the Gaussian channel Rayleigh Road, on which the process of time-domain signal and its spectrum, constellation diagram analysis)

说明：  扩频通信中的同步研究，基于matlab的(Synchronization of spread spectrum communication research, based on the matlab)