Extract-I(q)-vs

信号的希尔伯特-黄变换，IMF分解，对IMF进行Hilbert处理，绘制二维/三维时-频图，时间-能量图(瞬时能量谱) ，频率-能量图（希尔伯特谱）(Hilbert signals- Huang Transform, IMF decomposition of the IMF Hilbert processing, rendering 2D/3D time- frequency diagram, time- energy (instantaneous energy spectrum), the frequency- energy (Hilbert spectrum))

说明：  Synthesizes coupling matrix for dual band bandpass filter

It presents the simple full wave rectifier that is center tapped and a free wheeling diode is used for inductive load. Best for beginners

这是一个混沌理论中重要的Lorenz映射的程序。通过曲线很容易看到奇妙的混沌现象(Chaos Theory important Lorenz mapping procedures. Curve it is easy to see the amazing phenomenon of Chaos)

Yen threshold method realized in Matlab environment based on Yen J.C., Chang F.J., and Chang S. (1995) "A New Criterion for Automatic Multilevel Thresholding" IEEE Trans. on Image Processing, 4(3): 370-378

运用MATLAB实现大型复杂平面有限元问题的位移、应力、应变等功能的实现 (These codes are intent to be used for calculating the displacement, stress, strain in complex, large plane problems in Matlab rather than in FEM softwares.)

1.了解离散傅立叶变换及离散余弦变换的基本原理； 2.掌握进行FFT及逆变换的方法； 3.了解图像在频域中处理方法，应用MATLAB语言作简单的低通滤波器。 (1. Understand the discrete Fourier transform and discrete cosine transform the basic principle; 2. master for FFT and inverse transform; 3. understanding of image processing in the frequency domain method, MATLAB language for simple low-pass filter.)

关于OFDM技术的一些MATALB例程，包括OFDM各个部分的详细例子(OFDM technology on some MATALB routines, including detailed examples of the various parts of the OFDM)

This matlab code is for navigation simulation in geographical NED coordinate system which gives position and attitude of a IMU system.

图像骨架化，处理效果明显，希望能够帮助大家学习。(Image skeleton, treatment effect is obvious, hoping to help you learn.)