image_type_convert

文章讲述了现在韩国的频谱政策和动态频谱接入技术。过去韩国的频谱管理政策需要特权，并且只有一小部分频谱可以公用。随着无线技术的发展，现在，韩国政府，使用了机遇动态频谱接入的新型频谱策略，例如LBT技术用于REID，UWB和FACS等。MIC还考虑如何在DTV过渡完成后，重新分配频谱。新型的无线电技术如认知无线电和SDR将在UHF边带中应用新的服务。MIC试图用一用有效地方式开放频谱并接受新技术用于频谱策略中。(In this paper, we introduce spectrum policies and dynamic spectrum access technologies in Korea. In the past, Korea spectrum management was the command and control with exclusive usage rights and small portions of spectrum commons bands. With the development of the radio technologies, Recently, Korea government, MIC(ministry of information and com- munication), has been adopting new spectrum policies based on dynamic spectrum access technology such as LBT(Listen Before Talk) for RFID, UWB, and FACS(Flexible Access Common Spectrum) etc. MIC is also considering spectrum reallocation of digital dividend bands after DTV transition. New radio techniques such as cognitive radio and SDR will be applied to new services in this UHF band. MIC is trying to open the radio spectrum in an efficient way and adopt new technology into spectrum policy. Thus MIC is extending the open spectrum such as spectrum commons and spectrum liberalization bands. )

m-pskmodulation and de modulation

详细介绍了matlab应用程序接口的使用，书中对matlab应用程序接口中所提出的接口函数进行了详细的说明。(Details of the application interface using matlab, matlab book application program interface for the proposed interface functions in a detailed description.)

基于多元线性回归分析的耦合通道参数化建模(Coupled channel parametric modeling based on multiple linear regression analysis)

小波谱分析mallat算法经典程序，希望对大家有用(Mallat algorithm for spectral analysis of small classical procedures, in the hope that useful to everybody)

数学建模2013B—第一题答案,自己编写，不狗血，带原题文件(Mathematical modeling of 2013 b- the first answers, write your own, not the dog blood, with the original file. )

2维曲面拟合，gauss or gabor 函数(Functions to fit a 2D Gaussian or 2D Gabor to a surface. The routines are automatic in the sense that they do not require the specification of starting guesses for the model parameters. This is done by evaluating the quality of fit (sum of squared error) for many different choices of parameters then refining the most promising set of params through least-squares (exhaustive search followed by refinement). Least-squares is statistically equivalent to maximum likelihood estimation of the model parameters on the assumption of independent, normally distributed Gaussian noise in the observations (pixels). autoGaussianSurf(xi,yi,zi) fits a Gaussian,)

基本遗传算法的代码，基于精英保留策略的二进制遗传算法(Binary genetic algorithm based on elite retention strategy)

说明：  Dijkstra算法找最短路径代码，包括43个案例分析(Dijkstra algorithm to find the shortest path code, including 43 case studies)

artificial bee evolutionary algorithm