Car-theory-programming

本书提供 matlab 环境下的各种命令，包括详细的参数介绍。(book Matlab environment under the various orders, including the detailed parameters introduced.)

A source code for implementign anc adaptive filter

自动识别图像中的圆形，并计算半径，及其相似度，希望有所帮助(Automatic identification of image circle, and calculate the radius, and its similarity, Hope that helps)

在信号处理中，信号发射时，信号通过载波，调制，以电磁波的形式发射出来 在接收端，射频信号通过天线接收，超外差式等方式进行处理，变频到中频 然后通过数字技术对中频信号进行处理，此时的中频信号采样率很高，多达几十兆赫 而要解调出来的信号很小，此时就要经过滤波来得到我们需要的信号 如果直接设计滤波器，阶数会非常庞大，软件，硬件设备都承受不了 因此，一般常用的技术是进行下变频处理，其主要技术就是通过抽取滤波进行下变频 常用的滤波器就是CIC抽取, 希望可以帮助一些坛友解决基本的问题。 (In signal processing, signal emission, signal through the carrier, in the form of electromagnetic wave modulation, launched In the receiver, rf signals through the antenna, specialized superheterodyne type means such as processing, the frequency conversion to intermediate frequency Then through digital technology of intermediate frequency signal processing, at this time of intermediate frequency signal sampling rate is very high, as many as several decades MHZ But the signal demodulation out is very small, at this time would be passing filter to get what we need signal If design directly filter, order number be colossal, software, hardware equipment all suffer Therefore, the technology is usually used for down-transducer processing, its main technical is by extracting filtering down-transducer Commonly used filter is CIC extraction, the hope can help some friends solve basic problems of the altar.)

LTE中PDSCH的链路级仿真过程源代码分析，包括信道编码，预编码，OFDM调制(LTE PDSCH link level simulation in the process of source code analysis, including channel coding, precoding, OFDM modulation)

matlab examples.Viewing the magnitude response of ideal and practical lowpass filters

Orthogonal Freq, Division signal

本程序是现代谱导航分析中的惯性导航中的姿态角度,东北天等信息的分析的matlab程序，经过仿真验证，获得较为准确的结果。(The navigation program is modern spectral analysis of inertial navigation in the attitude angle, northeast-day analysis of information such as the matlab program, through simulation, to obtain more accurate results.)

辐射传输，温度与发射率分离算法（ASTER-TES）最关键模块NEM的matlab实现，也可参考其中的普朗克函数写法，demo可直接运行。(Radiative transfer, the temperature and emissivity separation algorithm (ASTER- TES) NEM matlab, the key module can also be reference of the Planck function method and the demo can be run directly.Radiative transfer, the temperature and emissivity separation algorithm (ASTER- TES) NEM matlab, the key module can also be reference of the Planck function method and the demo can be run directly.)

说明：  本书是“移动通信前沿技术系列”之一，全书共分18个章节，主要对协作通信及网络知识作了介绍，具体内容包括空时分集和编码、空时频分集与空时频编码、中继信道及协议、单中继协作通信、多节点协作通信等。全书内容分为三部分，第一部分回顾传统的MIMO系统，介绍空间、时间、频率分集的概念。第二部分主要考虑协作通信物理层的关键问题，并对其提出了行之有效的解决方案，比如针对协作通信的分布式特点，提出分布式空时(频)码；针对协作通信的频谱效率问题，提出了新颖和有效的协作方案。第三部分介绍协作通信对物理层之上的MAC层、网络层及应用层产生的影响，内容涉及如何协作路由，如何通过协作使网络覆盖范围增大，如何延长网络寿命等。(This book is one of the "cutting edge mobile communication technology series". The book is divided into 18 chapters, mainly on cooperative communications and network knowledge and specific content including the empty hours of collection and coding, space-time-frequency diversity and space-time frequency coding, relay channel and protocols, single-relay cooperative communication, multi-node cooperative communications.)