PV_DianChi

数字基带传输系统的MATLAB仿真实现 function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N) 输入变量A ,F,P分别为输入信号的幅度、频率和相位，D为量化电平数，snr 为信道信噪比，N为D/A转换时的内插点数；输出变量sampl为抽样后的输入 信号，re_sampl为恢复出的输入信号。 数字基带传输系统的MATLAB仿真实现 [sampl,quant,pcm]=a_d_1(A,F,P,D) [changed_ami]=signal_encod_1(pcm) [ami_after_channel]=channel_1(changed_ami,snr) [adjudged_ami]=adjudg_1(ami_after_channel,m) re_pcm=signal_decod_1(adjudged_ami) [re_voltag,re_sampl,re_sampl1]=d_a_1(re_pcm,sampl,D,N)(Digital baseband transmission system implementation MATLAB simulation function [sampl, re_sampl] = system_1 (A, F, P, D, snr, m, N) input variables A, F, P, respectively, for the input signal amplitude, frequency and phase , D to quantify the number of electric-ping, snr for the channel signal to noise ratio, N to D/A converter when the interpolation points output variables for the sample after Sampl input signal, re_sampl for the restoration of the input signal. Digital baseband transmission system simulation MATLAB implementation [sampl, quant, pcm] = a_d_1 (A, F, P, D) [changed_ami] = signal_encod_1 (pcm) [ami_after_channel] = channel_1 (changed_ami, snr) [adjudged_ami] = adjudg_1 (ami_after_channel, m) re_pcm = signal_decod_1 (adjudged_ami) [re_voltag, re_sampl, re_sampl1] = d_a_1 (re_pcm, sampl, D, N))

利用matlab计算切趾布拉格光栅的反射谱(calculating the reflection spectra of apodized Bragg fiber grating )

才用周期图法预测hurst指数。参数sequence为时间序列，isplot说明是否需要画图。(Have used the periodogram forecast hurst index. Parameter sequence for the time series, isplot explain the need for drawing.)

BP算法例子：用一个五层的神经网络去逼近函数(example_bpnetronetwork_5layers)

Matlab code for Direction of Arrival estimation

机载雷达地、海杂波仿真程序：韦布尔相关模型分布，瑞利分布模型，K分布模型，以及对数分布模型。(Airborne radar, the sea clutter simulation program: relevant model of Weibull distribution, Rayleigh distribution model, K distribution model, as well as the number of distribution models.)

基于数控机床进给系统PID参数优化程序SOA。(Feed System Based on SOA PID parameter optimization program CNC machine tools.)

1. 分别用2,3,4,5阶多项式来逼近[0,3]上的正弦函数sinx，并作出拟合曲线及sinx函数曲线线图。了解多项式的逼近程度和有效拟合区间随多项式的阶数有何变化。(1. Were treated with 2,3,4,5-order polynomial approximation [0,3] The sine function sinx, and make sinx function curve fitting curve and line graphs. Understand the degree of polynomial approximation and the effective range with the polynomial fitting order of any changes.)

gold序列的matlab仿真，生成gold序列，对于扩频跳频通信系统非常有用的好代码，直接用即可。(matlab gold sequence of simulation, generate gold sequence for frequency hopping spread spectrum communication system is very useful for good code can be directly used.)

CS七龙珠1.2.3版本孙悟空变超级赛亚人第4阶的源码,使用AMXX版本:1.8.1(ESF1.2.3 Sun Wukong becomes a Super Saiyan fourth order of the source code, using the AMXX version: 1.8.1)