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OFDM发送端程序集合，比较详细的各个部分，希望对大家有帮助(OFDM transmitter collection procedures, the various parts of a more detailed, in the hope that we have to help)

web服务选择优化算法，采用单纯性改进算法来实现。效率优于matlab原始库函数。(web service selection algorithm, improved algorithm using simple to achieve. Efficient than the original matlab library function.)

压缩包内容是实现现代数字信号处理技术中的PHD和MUSIC算法原程序和结果，有很大的参考价值(Archive content is the modern digital signal processing technology to achieve the PHD and the MUSIC algorithm and results of the original program, has great reference value)

说明：  模拟信号数字化的PCM量化以及哈夫曼编码(analog signal to the PCM digital quantification and Huffman coding)

简易的JPEG压缩程序源码(MMatlab实现) (Easy JPEG compression program source (MMatlab implementation))

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))

用matlab打开即可，可以绘制功率谱的函数，十分方便(using Matlab can be opened, the power spectral mapping function, which is very convenient)

关于开关控制的c源文件，可以控制灯自锁、点控。(C source files on the switch control, can control the lamp self-locking, point control.)

a band pass signal through an ideal BPF x(t) =[1+cos(pi*t/T)]*cos(2pi*fc*t)

the code file that is uploded is rfft file