edgedetecting

图像编码与压缩是数字信息时代的重要工具，在日常生活中都有广泛应用。该程序以matlab为平台，实现图像的压缩与融合。(Image coding and compression of digital information age is an important tool in their daily lives are widely used. Matlab in the program as a platform to achieve image compression and integration.)

matlab绘制不同概率各种占空比的矩形随机信号的功率谱密度，本人亲自编写，代码精简效率高，且结果准确（网上流传的各种绘制矩形随机信号功率谱密度的matlab代码能画对的极少见...).(matlab draw rectangle with different probabilities of various duty cycle of the power spectral density of random signals, I am personally prepared, the code streamlined efficient and accurate (spread of the Internet to draw rectangles of various random signal power spectral density matlab code to draw on the rare ...).)

1、matlab程序的基本语句程序设计 2、利用matlab程序作图 3、在线帮助和文件管理(1.Matlab program statement program design 2.using matlab program mapping 3.online help, and file management)

MATLAB 工具箱可以载入优化该软件的功能(matlab box)

De-Noising of ECG Signal Using Translation- Invariant Wavelet De-Noising Method with Improved Thresholding

DTMF(双音多频)是用两个特定的单音频组合信号来代表数字信号的一种编码技术。两个单音的频率不同，代表的数字或实现的功能也不同。可采用8种频率代表电话机上的16个按键，10个数字键0~9和6个功能键*、#、A、B、C、D。具体的频率组合见参考书。要求： (1) 根据键盘输入的符号，利用MATLAB产生对应的DTMF信号；(2) 分别利用FFT算法和Goertzel算法计算该DTMF信号的频谱并画出频谱图；(3) 根据频谱图确定DTMF信号所代表的符号是否和输入的符号一致。 (DTMF (Dual Tone Multi-Frequency) is a single with two specific combination of audio signals to represent a kind of digital signal coding techniques. Two monosyllabic different frequency, on behalf of the numbers, or the realization of the functions are also different. Eight kinds of frequency of use on behalf of telephone on the 16 keys, 10 numeric keys 0 ~ 9 and 6 function keys*,#, A, B, C, D. The frequency of specific composition of reference books. Requirements: (1) According to the keyboard input of symbols, the use of MATLAB have a corresponding DTMF signal (2), respectively, using FFT algorithm and the Goertzel algorithm DTMF signal spectrum and frequency spectrum draw (3) According to DTMF signal frequency spectrum to determine represented by symbols and input symbols unanimously.)

说明：  matlab下实现对高斯噪声下的小目标的滑窗检测。数据为1000个点，滑窗窗口大小为30，每次滑动一个点的数据。采用的是窗内30个数据先各自平方，然后求和，再除以窗口大小。实验表明能有效检测雷达目标信号。(matlab under Gaussian noise to achieve a small target detection sliding window. Data for 1000 point sliding window window size is 30, each time moving a point of data. Using the data before the window each 30 square feet, and then summed, divided by the window size. Experiments show that the radar target signal can be detected.)

有关信号波形、幅值谱、相位谱，互相关函数的算法、波形(the signal waveform amplitude spectrum and phase spectrum, cross-correlation function of the algorithm, waveform)

Computer Networking - Selective Repeat

共轭梯度法，MATLAB程序，计算方法作业，内有说明(Conjugate gradient method, MATLAB procedures, calculation methods work, there are instructions)