houghlinedection

Test if two matrices have the same column space

画电偶极子等势面，电偶极子的三维等势面，可以改变x，y值(Painting equipotential surface dipole)

说明：  dmc的matlab实现方法，运行实现过程正常，中间有一部分注释(matlab code of dmc which have been tested for many times)

cosmic下载数据，读取其中的有用数据，phs，prof等数据，画出电离层电子密度(cosmic download data, read one of the useful data, phs, prof other data, draw the ionospheric electron density)

Univercity of Bristol几个学生用6DOF（也即是GY-521三轴加速度+三轴陀螺）制作的测步器，可以看到他们成功测量出各轴旋转以及xyz轴的位移(Univercity of Bristol several students 6DOF (that is, GY-521 triaxial accelerometer+ triaxial gyro) produced measured steps, you can see their success measurement of the displacement of each axis and xyz axis)

用matlab写的经验模式分解程序。可作希尔伯特-黄变换，画时频图。(Empirical mode decomposition process Written by matlab .It Can be used for Hilbert- Huang Transform and time-frequency analysis.)

利用小波变换的方法对心电信号的QRS波群进行检测(The method of using wavelet transform to detect QRS complex of ecg signal)

说明：  标准遗传算法与多种群遗传算法Matlab代码，求解函数最值，GA包含交叉变异。多种群遗传算法MPGA包含移民操作。(the standard genetic algorithm and a variety of group genetic algorithms matlab code to solve the function maximum, GA contains cross variation. multiple group genetic algorithms MPGA contain immigration operations.)

将Matlab中的矩阵写入txt文件的方法，The Matlab write txt file in the matrix method(The Matlab write txt file in the matrix method)

ex5_1 I-型线性相位FIR滤波器 ex5_2 II-型线性相位FIR滤波器 ex5_3 III-型线性相位FIR滤波器 ex5_4 IV-型线性相位FIR滤波器 ex5_5 矩形窗频响 ex5_6 希尔伯特变换器设计－汉宁窗 ex5_7 低通滤波器设计－汉明窗 ex5_8 带通滤波器设计－布莱克曼窗 ex5_9 低通滤波器设计－凯塞窗 ex5_11 频率采样技术：低通，朴素法 ex5_12 频率采样技术：低通, 最优法T1 & T2 ex5_13 频率采样技术：带通, 最优法T1 & T2 ex5_14 频率采样技术：高通, 最优法T1 ex5_15 频率采样技术：差分器 ex5_16 频率采样技术： 希尔伯特变换器 ex5_17 利用Parks-McClella算法设计低通滤波器 ex5_18 用PM算法进行的带通滤波器设计 ex5_19 用PM算法进行的高通滤波器设计 ex5_20 用PM算法进行的阶梯滤波器设计 ex5_21 用PM算法进行的差分器设计 ex5_22 用PM算法进行的希尔伯特变换器设计(ex5_1 I-type linear phase FIR filter ex5_2 II-type linear phase FIR filter ex5_3 III-type linear phase FIR filter ex5_4 IV-type linear phase FIR filter rectangular window frequency response ex5_5 Hilbert ex5_6 converter design- Hanning window low-pass filter design ex5_7- Hamming window ex5_8 bandpass filter design- Blackman window ex5_9 low-pass filter design- Kaiser window ex5_11 sampling frequency: low-pass, a simple method ex5_12 sampling frequency: low-pass, optimal method T1 & T2 sampling frequency ex5_13: band-pass, optimal method T1 & T2 ex5_14 sampling frequency: high-pass, optimal method T1 sampling frequency ex5_15: differentiator sampling frequency ex5_16: Hilbert converter Parks-McClella use ex5_17 algorithm design low-pass filter PM algorithm ex5_18 with the band-pass filter design PM algorithm ex5_19 with the high-pass filter design PM algorithm used ex5_20 ladder filter design PM algorithm used ex5_21 differential design PM al)