LSL

几何光学,振子在方形与圆形地板的辐射计算,matlab编写(Geometrical optics, oscillator in the square and circular floor radiation calculation, matlab write)

An example want to present to memmber for nonlinear

matlab 的拟牛顿方法，减少计算导数带来的计算量的一种迭代方法，用来计算非线性问题。(matlab quasi-Newton methods to reduce the computational calculation of the amount of the derivative of an iterative method to calculate the nonlinear problem.)

MATLAB实现的伽罗华域乘法，在AES的安全算法中应用到(MATLAB implementation Galois field multiplication, in the AES security algorithm applied to the)

实现了最低有效位LSB水印算法。 压缩文件中含有原图，可直接放到Matlab中运行。(We realize the least significant bit （LSB） watermarking algorithm. It contains all the images you need,and it can be run directly in Matlab.)

图像融合算法在matlab平台下的源代码(image fusion)

数学建模案例MATLAB实用程序百例，其中包括了matlab的入门教学，与一些经典的例子（包括源代码）。(Mathematical modeling case MATLAB utility 100 cases, including teaching matlab entry, with some classic examples (including source code).)

C implementation of rgb median filter

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.)

数字信号处理及MATLAB实现 具体的例子与码源 很能帮助初学者学习(Digital signal processing and MATLAB implementation specific examples with source code is to help beginners to learn)