FDTD-1D-a-2d

牛顿法,用于优化求解，在图像优化求解,在点散射目标的仿真 (newton)

QAM modulation scheme for spreading codes gray

这是一个平面阵列2维方向图代码，可以通过修改参数得到竖直、水平平面阵的方向图(This is a two-dimensional planar array pattern code can be vertical, horizontal planar array pattern by modifying the parameters)

快速傅里叶变换程序，供大家参考，matlab下运行，可以看波形(Fast Fourier transform procedures for your reference, matlab running, you can see the waveform)

小数据量法计算 Lyapunov 指数的 Matlab 程序 - (mex 函数，超快)(Small amount of data calculated Lyapunov index Matlab program- (mex function, ultra-fast))

这是一个在通信中的仿真报告，图形是在Matlab实现的。在数值分析、函数实现中都会用到。(This is a communication in the simulation, graphics in the Matlab. Numerical analysis function which will be used to achieve.)

code for cognitive radios

利用canny算子分割图像，得到修正的跳频信号的二值化时频图(Use canny operator image segmentation, frequency hopping signals corrected binarized time-frequency diagram)

应用于系统辨识中，增广最小二乘法辨识程序的m文件。(System identification, augmented least squares identification procedure m files.)

Fir滤波器，能对语音信号进行低通，高通，带通的浮点滤波(Fir filter the speech signal can be low pass, high pass, band pass of the floating point filtering)