FBMC_OQAM-system

基于傅里叶变换的数字水印算法，实现了图像里的水印的嵌入和提取。Matlab代码。(Fourier transform-based digital watermarking algorithm to achieve the image in the watermark embedding and extraction. Matlab code.)

一连续平稳的随机信号x(t)，自相关函数RX(t)=e-/t/，信号x(t)为加性噪声所干扰，噪声是白噪声，测量值的离散值Z(k)为已知，TS=0.02s。 -3.2，-0.8，-14，-16，-17，-18，-3.3，-2.4， -18，-0.3，-0.4，-0.8，-19，-2.0，-1.2，-11，-14，-0.9，0.8，10，0.2，0.5，-0.5，2.4，-0.5，0.5，-13，0.5，10，-12，0.5，-0.6，-15，-0.7，15，0.5，-0.7，-2.0，-19，-17，-11，-14。 自编卡尔曼滤波递推程序，估计信号x(t)的波形。(A continuous stationary random signal x (t), the autocorrelation function RX (t) = e-/ t /, the signal x (t) is additive noise of the interference, noise is white noise, the measured value of the discrete values ​ ​ Z (k ) are known, TS = 0.02s. -3.2,-0.8,-14,-16,-17,-18,-3.3,-2.4,-18,-0.3,-0.4,-0.8,-19,-2.0,-1.2,-11,-14 ,-0.9,0.8,10,0.2,0.5,-0.5,2.4,-0.5,0.5,-13,0.5,10,-12,0.5,-0.6,-15,-0.7,15,0.5,-0.7,-2.0,-19,-17,-11,-14. Self Kalman filter recursive procedure, the estimated signal x (t) waveform.)

很标准的无味卡尔曼滤波，UKF的仿真与用法。描述了两个非线性方程x=0.5 x + (25 * x / (1 + x^2)) + 8 * cos(1.2*(t-1)) y = (x^2 / 20)的UKF的用法。简单实用，有备注。对于卡尔曼滤波初学者很有用。(Very standard unscented Kalman filter, UKF simulation and usage. Describes two nonlinear equations x = 0.5 x+ (25* x/(1+ x ^ 2))+ 8* cos (1.2* (t-1)) y = (x ^ 2/20) of UKF usage. Simple and practical notes. For the Kalman filter useful for beginners.)

Matlab code for QPSK and QAM under rayleigh envrionment

说明：  《Matlab从入门到精通》所有的源程序。(《Matlab from entry to the master》 all of the source.)

灰色预测方法，重点讲解的灰色预测的基本理论和详细实现方案，给出了5个用matlab编好的灰色预测程序的实现。(Grey prediction method to highlight the basic theory of gray forecast and detailed implementation gives five good gray prediction using matlab program implementation.)

ex9_11 雷达脉冲压缩处理。对接收到的雷达回波信号进行正交解调，产生理想线性调频脉冲压缩系数。进行脉压处理。(ex9_11 radar pulse compression processing. Butt received radar echo signals, quadrature demodulation, resulting in an ideal LFM pulse compression factor. Pulse pressure to deal with.)

说明：  图像量化方式，模糊C均值 可用于图像分类(Fcm for image Quntation)

OFDM without noise performed with qpsk modulation

cpm连续相位调制系统的matlab仿真程序，全面。(cpm continuous phase modulation system matlab simulation program, comprehensive.)