matlab

zigZag scan implementation on matlab

编制不同数制间的转换程序。要求提供输入输出界面，当输完一个任意十进制数字， //程序能自动将其转化为另外的数制表示的值，包括二进制、八进制和十六进制(Between the preparation of the different number system conversion process. Asked for input and output interfaces, when the losers an arbitrary decimal number,// program can automatically be converted to another number system, said values, including binary, octal, and hexadecimal)

说明：  这是一个基本的CDMA系统的调制与解调系统。包括随机信号的产生，调制还有相应的解调。(This is a basic CDMA coding and decoding system, it includes random signal generator and coding and decoding modules )

1、使用牛顿法求sqrt（2）； 2、用牛顿法求 fx=(x-1)*(exp(x-1)-1)的误差以及误差比； 3、用牛顿法及其他两种方法求 fx=x^4-4*x+x^2的重根 (1, using Newton' s method for the sqrt (2) 2, using Newton' s method for the fx = (x-1)* (exp (x-1)-1) error and error ratio 3, using Newton' s method and the other two method, to calculate fx = x ^ 4-4* x+ x ^ 2 re-root)

Calendar content provider. The contract between this provider and applications.

说明：  Buck基础电路MATLAB的Simulink仿真，12V-5V，参数已经调好 PID控制Buck电路原理图（VISIO图）(Simulink simulation of Buck basic circuit MATLAB, 12V-5V, parameters have been adjusted PID control Buck circuit schematic (VISIO diagram))

说明：  利用模拟退火算法对二元函数的极值点进行寻找(The simulated annealing algorithm is used to find the extreme points of binary functions)

在多径衰落信道下用matlab进行OFDM系统仿真(Multipath fading channel under OFDM simulation )

control of AC voltage

系统地阐述了低密度校验码基于图模型的编译码思想，介绍了密度进化理论，对影响低密度校验码纠错性能的两个主要因素——度序列设计和围长设计进行了深入分析，详细介绍并设计了LDPC的编解码(Systematic exposition of the LDPC graph model based codecs idea, introduces the density evolution theory, the two main factors that affect the performance of LDPC error correction- the degree of sequence design and girth design depth analysis, detailed and designed LDPC codec)