simu_system

M-file for simulating a QPSK transmitter by modulating with a pseudo random bit stream. A serial to parallel conversion of the pseudo random bit stream is performed with mapping of two bits per symbol. A cosine and sine carrier is configured and the I and Q symbols modulate these carriers. The I and Q carriers are combined and time and frequency domain plots are provided showing key waveforms at various positions in the QPSK transmitter. (M-file for simulating a QPSK transmitter b y modulating with a pseudo random bit stream. A s erial to parallel conversion of the pseudo rand om bit stream is performed with mapping of two bi ts per symbol. A cosine and sine carrier is CBMs gured and the I and Q symbols Modulate these CARR IERS. The I and Q carriers are combined and a time nd frequency domain plots are provided showing key waveforms at various positions in the QPSK t ransmitter.)

时频分析，用于信号的时频分析，短时傅里叶变换、小波、脊线提取、一些信号的生成，等等。(Time-frequency analysis, time-frequency analysis for signal, short time Fourier transform, wavelet ridge line extraction, generate some signal, and so on.)

自适应阵列处理，阵列信号处理的经典教材，做雷达，声纳，传感器阵列(Adaptive array processing, array signal processing classic textbook, do radar, sonar sensor array)

huffman编码 图像压缩 RLE编码 建立哈夫曼树及遍历哈夫曼树的MATLAB程序(huffman coding image compression coding to establish Huffman and RLE Huffman tree traversal MATLAB program)

这是一个基于电力系统九节点的潮流计算的软件包(This is a power system based on nine nodes of the package flow calculation)

Simulink入门_MATLAB_大学课件_讲的很好(Simulink Getting Started _MATLAB_ University _ say good courseware)

信号的频谱分析函数，输入复信号，fft的长度和Fs，可以直接输出信号频谱图。(Signal spectrum analysis function, the input complex signal, fft length and Fs, can be directly output signal spectrum.)

计算一个序列的AR模型系数的前3个系数值,非常好用(Calculating a sequence of former three coefficients AR model coefficients, very handy)

小区初搜为GSM系统中的一个关键过程，本程序为GSM小区初搜过程查找并解广播控制信道bcch的matlab程序，输入数据由采样数据得到，在转换成所需格式后进行处理。若其中包含bcch,则输出找到信息，并通过解调译码等工作解其中信息信息。若没有，则发出错误信息。内付算法详细说明文档(Area early in the search for the GSM system, a key process, the procedures for the GSM cell and the beginning of search process to find solutions BCCH Broadcast Control Channel of matlab procedures, input data from the sampling data, converted into the desired format in the post-treatment. If one includes bcch, while the output to find information and work through the demodulation decoding information in which information solutions. If not, then send a wrong message. Pay the algorithm in detail within the document)

C组合辛普森求积分 源程序 ＭＡＴＬＡＢ(C portfolio Simpson integral source for MATLAB)