qpsk-matlab

在matlab中实现图形窗口置顶及更改matlab图形中的logo标志，可以换成你喜欢的(In the matlab graphics window to achieve top and change the matlab graphic logo symbol, you can replace your favorite)

说明：  利用Matlab平台编制的光线追迹模拟程序，可以改变程序中的相关参数，模拟任意形状透镜的光线追迹。(The program used to simulate ray tracing using MATLAB platform can change the relevant parameters in the program to simulate ray tracing of lens with arbitrary shape.)

灰色系统GM（1，1）模型及其检验,用于时间序列预测(grey system GM（1，1）model and its testing，can be used to predict)

说明：  可以很好的结合现有的信号数据进行分析和处理，得到一定优化效果(Can be a good combination of existing data analysis and signal processing, to a certain optimal results)

门信号的波形及其频谱；付里叶变换的对称特性(Gate signal waveform and its spectrum Fourier transform symmetry properties)

语音信号的维纳滤波，频域实现和时域实现方法(Wiener filtering of speech signals, frequency domain implementation and time domain implementation)

bezier曲线的matlab程序，可以单文件，多函数运行(bezier curve matlab program, you can single-file, multi-function operation)

一个很有用的程序，小波包分析提取振动信号中的特征频率，D-S证据理论数据融合。( A very useful program, Wavelet packet analysis to extract vibration signal characteristic frequency, D-S evidence theory data fusion.)

数字信号处理中，希尔伯特变换器优化设计研究学习(Digital signal processing, the Hilbert converter optimized design of the study)

QPSK BER SER AWGN 正交相移键控的基带数字通信系统(QPSK BER SER AWGN )