OFDM_matlab

MATLAB编写的huffman编解码程序，程序中计算了压缩比。(MATLAB prepared huffman codec procedures, procedures to calculate the compression ratio.)

malab的一本书。对于初学者比较有帮助(malab of a book. For more help beginners)

This paper presents a new algorithm to extract the fetal ECG from an ECG recorded on the mother’s abdomen. The algorithm consists of two steps: first, ECG of fetus is extracted from the original signal using a two-level wavelet transform. We use Daubechie wavelet transform, which is similar in shape to heart beat wave. The resulted signal is then low-pass filtered using the Savitzky-Golay smoothing filter to attenuate the effect of noise. The filtered signal is considered as the fetal ECG. The algorithm was applied on both synthetic and real ECG signals. The results in this paper show that the proposed algorithm has promising performance.

stanford大学deep learning在线课程课后练习代码，我自己写的，可以参考一下。(Excercise of deep learning online course from http://deeplearning.stanford.edu/wiki. It is written by myself, aiming to help other students who is confused in the course.)

Code for HOW TO FIND IN A EASSY WAY THE MAXIM AND MINIM WIDTH IN A SIGNAL OSCILLATING FUNCTION

ＭＡＴＬＡＢ程序实现用水线阈值法分割图像，简单实用(water line threshold image segmentation method, simple and practical)

带双窗的频域全相位数字滤波器结构 ，双窗全相位数字滤波器在通带和阻带内的波纹基本消除并且可以方便地设计各种滤波(apfft filter design)

说明：  独到精辟的算法及例子，通过MATLAB语言由浅入深的介绍了控制系统的仿真(Original algorithm and brilliant examples MATLAB language through easy-to-digest introduced control system simulation)

Matlab中两组数的曲线拟合，一般采用多项式拟合(curve fitting using a couple of datas)

log of a structure 9 story