Nearest_Neighbor

提出了结构半随机LDPC码的编码协同方案，并对该方案在不同的源到中继信道特性下 的误比特性能进行了仿真评价，结果显示该协同方案在不增加传送和接收功率的情况下，能够提供 更好的性能。(Structure of semi-random LDPC codes coded cooperative programs, and of the program in different source to relay channel characteristics, bit error performance simulation evaluation results show that the synergistic programs without increasing the transmit and receive power able to provide better performance.)

人工智能算法 模拟植物生长算法matlab程序 供初学者学习参考(Artificial intelligence algorithm simulation of plant growth algorithm matlab program for beginners to learn the reference )

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))

应用matlab产生用正弦信号调制的模拟PPM信号，并给出了功率谱密度(Matlab sinusoidal signal generated by application of the analog PPM signal modulation, and gives the power spectral density)

说明：  信息理论与编码——关于信道容量迭代的matlab仿真程序(Information Theory and Coding- on the channel capacity iteration matlab simulation program)

Localization algorithm in Matlab

this is a SDIF algorithm code for deinterleaving radar pulse

合成孔径雷达距离多普勒算法，模式为条带模式，条带模式为最基本的成像模式，有利于初学者掌握(SAR-RD；stripmap；for learning)

this is the basic ofdm simulation of an ofdm signal

MY AREA OF WORKING IS ON IMAGE WATERMARKING.. I WANT SOME HELP REGARDING THAT..