neighbord

低轨卫星侦查确定地面目标位置，整周模糊计算(GRSS system)

直接序列扩频通信系统仿真程序 生成的信息码的波形图 扩频码如图 PSK调制后的波形 解调后的波形 解扩并滤波后的波形 (The waveform in Figure PSK modulated waveforms direct sequence spread spectrum communication system simulation code information generated spreading code waveforms despreading and after filtering the demodulated)

（1） 数据源：随机产生752*8bit作为数据源 （2） 按照DTMB的能量扩散初始相位和生成多项式来产生伪随机数据并对原始数据源进行加扰 （3） 加扰后的数据直接进行解扰，观察误码率的值，验证加扰算法 （4） 按照DTMB标准构造BCH（1023，1013）来实现BCH（762，752）信道编码器和解码器，并观察其误码率是否为0来验证其正确性。 （5） 最后把能量扩散和BCH编码级联，接收端把BCH解码和解扰级联，观察其误码率，验证正确性。 ((1) Source: randomly generated 752* 8bit as data source (2) in accordance with the energy of the initial phase and the diffusion DTMB generator polynomial to generate a pseudo-random data and the original data source scramble (3) the scrambled data is directly descramble, the bit error rate of the observed values, verification scrambling algorithm (4) In accordance with DTMB standard configuration BCH (1023,1013) to achieve the BCH (762,752) channel encoder and decoder and observe its error rate is 0 to verify its correctness. (5) Finally, the energy dispersal and BCH coding cascade, the receiving end of the BCH decoding and descrambling cascade observed error rate, to verify the correctness.)

说明：  Bias-corrected fuzzy c-means (BCFCM) clustering compensates for two sources of uncertainty by modeling noise and bias fields

多变量多尺度熵分析程序，对研究信号的来说，很重要，代码来自一学者网站(Multivariate multiscale entropy analysis program for the study of the signal, it is important, a scholar website code)

利用MATLAB对信号进行FFT处理，观察幅频响应和相频响应(FFT using MATLAB for signal processing, observed amplitude frequency response and phase frequency response)

说明：  注水算法的简单应用程序，通过简单的实例实现注水算法(water fillling program)

哈夫曼压缩算法，开发环境Matlab，利用此例程序可以仿真哈夫曼压缩比(Huffman compression algorithm development environment of Matlab, using this example program can simulate the Huffman compression ratio)

Solution to a square, invertible system

说明：  A模式识别与智能计算-MATLAB技术实现-杨淑莹-2008.pdf(A Pattern Recognition and Intelligent Computing-MATLAB technology- Yang Shuying-2008.pdf)