Matlab-utility-routines

维特比译码的Matlab程序，摘自短波无线电台项目(Viterbi decoding of the Matlab program)

用Mie理论计算双层粒子的散射角——散射光强曲线 1．RB1.m 计算第一类Ricatti-Bessel函数的函数 2．RB2.m 计算第二类Ricatti-Bessel函数的函数 3. Alegendr.m 计算角函数 和 的函数 4. MieCoeff.m 计算包覆粒子米尔系数的函数 5. Amp.m 计算散射光复振幅的函数 6. MieIntensity.m 画包覆粒子散射角-光强图 (Mie theory calculations using double-particle scattering angle- scattering intensity curve 1. RB1.m calculate the first class Ricatti-Bessel function of the function 2. RB2.m calculate the second category Ricatti-Bessel function of the function 3. Alegendr.m computing angle functions and function 4. MieCoeff.m coated particles Mill coefficient calculation function 5. Amp.m calculate the scattering amplitude recovery function 6. MieIntensity.m painting coated particle scattering angle- light intensity diagram)

BPSK仿真，Eb/N0=0:10,得出BER与Eb/N0的关系曲线，AWGN信道(BPSK simulation, Eb/N0 = 0:10, draw BER versus Eb/N0 of the curve, AWGN channel)

该matlab程序实现字母T和L的区分，在9*9格形框里，字母T和L有不同的位置，任意位置，神经网络都可以识别出是T还是L(The program matlab and distinguish letters L, T, in the grid-shaped box 9* 9, the letters L and T have different locations anywhere in the neural network can identify a T or L)

实现高分辨率遥感图像和低分辨率图像的融合算法的研究源代码(To achieve high-resolution remote sensing image fusion algorithm and a low-resolution image of the source code for research)

有限差分求解方程组，其中包括欧拉法、梯形法，打靶法、四阶龙格库塔（含隐性和显性）(The finite-difference equations include euler method, trapezoid method, target shooting method, fourth-order runge kuta (including recessive and dominant))

此函数是进行串并变化的功能函数，包含两个文件，一个进行提取基数为一个提取偶数位，从而达到串并变换的目的。这是在做需要多路进行数字调制所需要的步骤(This function is built to transform a sequence to serial and parallel sequence)

matlab中进行FFT分解的算法，基2时间抽取的FFT算法，很有用。(matlab FFT decomposition algorithms)

matlab中运用hough变换，设定恰当的阈值，将超过阈值的点在三维空间标示出来&将三维参数矩阵根据半径的不同做成不同的帧，制作成视频(hough transform matlab in use, set the appropriate threshold, will exceed the threshold point in three-dimensional space marked out & three-dimensional parameter matrix made of different frames depending on the radius, made into video)

基于双闭环矢量控制的永磁直驱风电系统的并网模型，输出功率和直流电压波形理想(Grid- connected model of permanent magnet direct drive wind power system based on double closed- loop vector control and Output power and DC voltage waveform are ideal)