matlab7_design-and-simulation

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.)

Clever B.Moler 博士的经典著作《Mumerical Computing with MATLAB》介绍的一个ode23简化版ode23tx算法思想及其程序代码。(Clever B.Moler Dr. classics " Mumerical Computing with MATLAB" describes a simplified version of ode23tx ode23 algorithm ideas and program code.)

水下传感器网络的DV-Hop定位，matlab程序(localization for underwater acoustic sensor networks)

说明：  图像抽取及误差控制，像素点最大误差能控制到2(Image extraction and error control, the maximum pixel error can be controlled to 2)

巴克码和线性调频混合雷达信号仿真(Barker codes and linear FM radar mixed signal simulation)

该程序是RS编译码器的MATLAB仿真程序，里面有对程序的详细说明和解释。包括编码算法和译法算法的原理，流程以及代码实现。对掌握RS码有非常好的学习价值。()

详细讲解pfring技术的使用，通过对每个函数的讲解使你快速进入开发(Explain in detail the use of pfring technology, by explaining each function allows you quick access to development)

能量熵的计算，这是第二能量熵的matlab代码，内含心电信号数据及运用MATLAB写的源代码。( Energy entropy calculation, This is the second energy entropy matlab code, ECG data and includes source code written in MATLAB.)

人脸识别代码及人脸库 人脸检测识别的代码和两种不同格式的人脸库(Face recognition code and library code of face detection and recognition of two different formats for face)

this code is use in telecommunication matlab code