dual_fisher

joint user scheduling with path adjustment algorithmn

this is a matlab GUI developed to record speech of the user in various languages. this GUI contains various user interfaces that help to store the recorded word to a wav file. also the recorded signal will be plot in the axes window.

维纳滤波，有非常齐全的源代码、测试文件，针对不同的SNR均有比较，代码测试通过(Wiener filter ,including complete source file ,testing audio files,and comparing different SNRs.The project has passed through edition)

函数HistBackground功能是将高速公路的视频文件中的多帧图片利用统计直方图的方法提取不含运动车辆的背景，(Function HistBackground function is to freeway video files of images using statistical histogram to extract the background without moving vehicles,)

rbm with bp for comprresion

使用二边逐次修正法来求解TSP（旅行商问题）问题的较有解，同时可以控制迭代求解的次数(Successive correction method using the two sides to solve TSP (TSP) problem than a solution, while controlling the number of iterative solution)

本设计利用了数字信号处理的知识,基于MATLAB的GUI平台,实现了IIR与FIR各类滤波器的设计,能够绘制各种滤波器的幅频特性曲线,相频特性曲线,零极点图,冲激响应,阶跃响应等。(This design utilizes the knowledge of digital signal processing based on MATLAB GUI platform, the IIR and FIR filter design all kinds can draw a variety of filter frequency characteristic curve, phase-frequency characteristic curve, pole-zero figure, red shock response, step response and so on.)

整理的关于FFT的matlab程序，所用matlab版本为2016b(The matlab program of FFT is arranged. The version of MATLAB is 2016b.)

说明：  提出了正交频分复用(O FDM ) 系统中一种新的载波频偏估计算法L 载波频偏估计过程可分 为获取和跟踪, 其中, 获取过程和时间同步是同时完成的L新算法可实现的最大载波频偏获取范围 是整个信号带宽的一半L新的跟踪算法是一个最大似然算法, 在加性白噪声高斯信道(AW GN ) 下, 当N (训练序列长度的一半) 等于128 时, 其性能比Schm idl 算法提高约7127 dB 在多经信道下, 当 信噪比不是很高时, 新算法仍具有优势L(new carrier f requency offset est imat ion scheme in o rthogonal f requency division mu lt ip lex ing (O FDM ) system is p ropo sed. The carrier f requency offset est i2 mat ion includes acqu isit ion and t rack ing, and acqu isit ion as w ell as t im ing synch ro2 n izat ion can be perfo rmed simu ltaneou sly w ith h igh accu racy. The max imum acqu i2 sit ion range can be up to one half of overall signal bandw idth. The p ropo sed t rack2 ing est imato r is a max imum 2likelihood est imato r, and in AW GN channel, abou t 7127dB imp rovemen t is ob tained compared to the Schm idl’s algo rithm w hen N = 128 in mu lt ipath channel, the p ropo sed algo rithm wo rk s w ell at moderate SNR.)

运用插值的全矢量有限差分法求解阶跃光波导本征模式以及等效折射率 (Using the interpolation of full vector finite difference method to solve step eigen mode optical waveguide and equivalent refractive index )