NL-Structural-Eng~Fertis

一种新型的基于盲源分离算法的研究资料内容(A new type of research data based on blind source separation)

智力游戏 可以在准备数学建模的时候作为练习资料(mathmodeling)

experimetal code for meshfree exponential integrators

hiding data in images using watermaking

说明：  基于MATLAB的粒子群优化算法的程序参考代码(Program reference code of particle swarm optimization algorithm based on MATLAB)

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.)

这是一个信道盲均衡的程序，程序若然简单，单是非常经典好用。(This is a blind channel equalization program, the program and if so simple, one is very classic easy to use.)

用有限差分方法计算模式的使用模拟介质波导法(This function calculates the modes of a dielectric waveguide using the semivectorial finite difference method)

用于特征排序 特征提取前的预处理 对于m*n列的数据进行特征排序 模式识别中的特征提取或者模式分类中的预处理 (Sort feature for feature extraction pre-treatment before the column for the m* n order to characterize the data in the application of pattern recognition)

说明：  多传感器融合算法，可以将多传感器的数据经处理，相比单传感器数据更加有效(Multi sensor fusion algorithm can process multi-sensor data, which is more effective than single sensor data)