NRZ_DFE_PPG

基于matlab的对多项式数字预失真和查找表数字预失真的比较(Matlab-based digital predistortion and of polynomial lookup tables digital predistortion comparison)

说明：  用Matlab与C的混合编程写的FFT（快速傅立叶变换）算法，具有运算快，易于使用和理解的优点。(Using Matlab and C programming to write a mixture of the FFT (Fast Fourier Transform) algorithm, with the operator fast, easy to use and understand the advantages.)

LSB方法隐写图像,空域处理，基于修改图像LSB层的数据，达到隐藏秘密信息的目的(steganografic by LSB)

说明：  这是一个完善的KNN算法。算法清晰，备注明确，分类效果良好。(This is a perfect KNN algorithm. Algorithm is clear, clear notes, a good classification results.)

粒子群代码,是一个简单的例子群算法，maltab。可以根据需要进行修改，亲测过可以运行(Particle swarm code)

几种滤波器：hamming窗口的低通滤波器，给定技术指标的模拟巴特沃兹低通滤波器，kaiser窗口的带阻滤波器，blackman窗口的带通滤波器，Kaiser 窗低通滤波器 (Several filters: hamming window low-pass filter, given specifications of the analog Butterworth low-pass filter, kaiser window band stop filter, blackman window bandpass filters, Kaiser window low-pass filter)

抛物线差分格式求解，包括一维古典显格式，DFF格式，CN格式，局部一维方法和预测校正格式的求解；文件中有具体的题目及解法说明并还有matlab程序供大家参考；易读易懂。 (Difference scheme for solving parabolic, including the one-dimensional classical explicit schemes, DFF format, CN format, local one-dimensional methods and predictor-corrector format to solve file specific description of the subject and method, and there are matlab program for your reference Easy to read understand.)

双极性归零码的功率谱密度(Bipolar power spectral density of NRZ)

activity coefficient calculator

Conjugate gradient method