FFT

说明：  磁共振成像仪上的梯度回波序列，我用matlab把时序图画出来了，供大家参考，谢谢(Magnetic resonance imaging gradient echo sequence on, I use matlab to timing out the picture for your reference, thank you)

matlab 解线性方程组的直接法，包括克罗托算法，杜丽脱尔算法，高斯消去法，列主元素法等14个算法，运行无误，可以运算。(Matlab solution of linear equation group, run correctly, can operation.)

application des optimisation antennes en utilisant l algorithme des iwo : invasive weed optimisation

数据包传送源码程序，用MATLAB实现的压缩传感，各种kalman滤波器的设计。( Data packet transfer source program, Using MATLAB compressed sensing, Various kalman filter design.)

自己编的matlab程序。用于模式识别。结合特征提取方法sequential_forward_selection使用。(The matlab own procedures. For Pattern Recognition. Combination of feature extraction methods sequential_forward_selection use.)

说明：  时间序列分析中参数估计方面的实现,在matlab环境下实现的代码(parameter estimation)

QPSK高斯噪声信道下的星座点和比特误码率仿真曲线(QPSK constellations point under gaussian noise channel and the bit error rate curve simulation)

使用qam星座调制方式下的，空时编码STBC的误码率(BER)仿真(The use of QAM modulation constellation manner, the space-time coding STBC BER (BER) simulation)

本函数是一个通过设置阈值，检测基本通信水印的函数(This function is a through setting threshold value, the function of the basic communication watermark detection)

把信号分为重叠或不重叠的小段，对每小段信号序列进行功率谱估计，然后取平均值作为整个序列的功率谱(The signal into overlapping or non-overlapping short paragraphs, short paragraphs on each of the power spectrum estimation signal sequence, and then averaged Fourier power spectrum as a whole)