chaoliujisuan

说明：  AR(p) Process Periodogram Spectral estimation,

计算分形维数()

说明：  将一个文件中的非标点符号字符查找出来，放入到一个新文件中(A file of non-punctuation characters to find out, put into a new file)

Amplitude modulation

采用非线性动态逆与全程滑模变结构控制相结合的思路，建立了一类具有不确定性和外界干扰的仿射非线性系统的强鲁棒性控制策略。(A robust controller design combining the dynamic inversion method and global sliding-mode variable structure control for a class of uncertain affine nonlinear systems is considered.)

说明：  支持向量机工具箱可直接使用，包含支持向量机各个函数(Support Vector Machine Toolbox can be used directly, including various functions of support vector machine)

On a map, place a label corresponding to any of the 25,394 features identified by SCAR.

bcjr convolutinal code

对含窄带噪声的语音信号进行小波去噪，并汇出LP谱和MVDR谱(LP and MVDR based wavelet)

题目：有1、2、3、4个数字，能组成多少个互不相同且无重复数字的三位数？都是多少？(Title: There are 1,2,3,4 digits, how many can be formed from each other and without duplication of the three-digit numbers? How many are?)