pbf

利用matlab仿真，验证无码间串扰的条件，画出相关波形及眼图，并画出有噪声时的误码率特性曲线(Using matlab simulation, verification Uncensored crosstalk between conditions related to draw waveforms and eye diagram and draw there BER noise characteristic curve)

改程序包可以进行字旋转链和量子寄存器建模等。(this program package helps modeling spin chains, qubit registers, etc. according to nonrelativistic quantum mechanics and some novel ideas from quantum information theory.)

蚁群算法LF解决聚类问题,程序文章比较全面，已测试！！！(LF ant colony algorithm to solve clustering problems, the article is more comprehensive program has been tested! ! ! )

this programming shows how to process the image.it contains variable button with different process.

说明：  Matlab 教程 第8章 全部第8章(matlab notes chapter 8(all))

说明：  ltcode编码部分的matlab仿真。(lt coding of matlab simulation.)

k means is a clustering program for partition and distinguishing a group of observation and recognition

循环冗余校验CRC (Cyclic Redundancy Check)码是由分组线性码的分支而来，其主要应用是二元码字。编码简单且误判概率很低，在通信系统中得到了广泛的应用。循环冗余校验码是属于分组码中的一类重要的线性码，它不仅在理论上具有很好的代数结构，而且其编码和译码可以通过线性移位寄存器很容易地实现。 通过对CRC的分析和基于MATLAB工具的仿真，充分证明了CRC的检错能力很强，编码简单。 (Cyclic Redundancy Check CRC (Cyclic Redundancy Check) code is a linear code from the sub-branch from the main application is the binary code word. Coding is simple and very low probability of miscarriage of justice, in the communication system has been widely used. Cyclic redundancy check code is a block code in one important class of linear code, which not only has good in theory, algebraic structure, and its encoding and decoding of linear shift register can easily realize . CRC through analysis and simulation tool based on MATLAB, and fully proves that the CRC error detection ability of a strong, simple coding.)

程序实现了直接序列扩频通信系统，简单易懂。(Program realization of the direct sequence spread spectrum communication system, straightforward.)

最短路这个说明倒不是说明函数的功能，只是声明一下函数中出现的问题。 shortest()函数没有问题，在secshortest中我希望只得到一条次短路（或几条roadcost()值相同的次短路），结果却出来好几条，我仔细检查了一下程序，应该没有什么问题。 因此在使用时，要得到次短路，只能用roadcost()函数分别求一下各条路的权重和，找到最小的。 有些奇怪 (short path)