SOVA-DECODING

基于动态切换函数的动态滑模控制，二阶系统仿真(Dynamic sliding mode control based on dynamic switching function，The second order system simulation)

Digital demodulation ASk BPSK FSK OOK QPSK

说明：  对带有随机相位和随机噪声的线谱信号，实现周期图谱估计、多重信号分类（MUSIC）两种方法对频谱的估计。代码效率高，可扩展性好。(Of random noise with random phase and the line spectrum signal, spectrum estimation period, multiple signal classification (MUSIC) two methods of spectrum estimation. Code efficiency, good scalability.)

均匀球形粒子的Mie理论散射光强计算程序： 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 画均匀粒子散射角-光强图 (Uniform spherical particle Mie theory scattering intensity calculation procedures: 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 Mill coefficient calculation function 5. Amp.m calculate the scattering amplitude recovery function 6. MieIntensity.m Painting uniform particle scattering angle- light intensity diagram)

数学建模方法实现拟合与插值，利用matlab模拟此功能(Fitting Interpolation)

MATLAB仿真，自适应均衡器的LMS算法(LMS algorithm MATLAB simulation, adaptive equalizer)

MATLAB编译，主要是与船舶相关的编译程序，简单方便，易于使用。(MATLAB compilation, mainly related to ship compiler, simple, convenient and easy to use)

维纳噪声抑制，设计p阶的最优FIR维纳滤波器，估计平均平方误差， 试针对p=12的情况，分别取几个不同的权值(如0.1, 0.5, 1.0)，研究这时的噪声抑制性能。(Wiener noise suppression, the optimal design of p-order FIR Wiener filter, estimated mean square error, try the case for p = 12, respectively, the right to take several different values (such as 0.1, 0.5, 1.0), study time noise suppression performance.)

给灰度图加入白噪声和椒盐噪声，并设计了几种去噪的算法实现对噪声的降低(Adding white noise to the grayscale and salt and pepper noise, and designed several denoising algorithm for noise reduction)

多个脉冲积累后可以有效地提高信噪比，中频积累时要求信号间有严格的相位关系，即信号时相参的，所以称为相参积累。(Multiple pulse accumulation can effectively improve SNR, if integration requires strict phase relationship between signals, whereby the signal coherent, so called coherent accumulation.)