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求正弦信号fft，并利用该fft计算正弦信号的功率，信噪比等(Seeking sinusoidal signal fft, fft calculated using the sinusoidal signal power, SNR, etc.)

7.1　简单数字滤波器的MATLAB辅助设计和分析方法7.2　微机继电保护算法的MATLAB辅助设计和分析方法7.3　输电线路距离保护的建模与仿真7.4　Simulink在变压器微机继电保护中的应用举例7.5　输电线路故障行波仿真举例 (7.1 Simple digital filter MATLAB-aided design and analysis methods 7.2 microcomputer relay protection algorithm MATLAB-aided design and analysis methods 7.3 Transmission Line Distance Protection 7.4 Simulink modeling and simulation of the transformer relay protection Application Examples 7.5 Transmission Line Examples traveling wave fault simulation)

code of two link manipulator,it is for forward kinematics

lms自适应波束形成小程序，主要适用于阵列信号处理的学习阶段。(lms beamform)

用MATLAB仿真谱估计中的ESPRIT算法(MATLAB simulation spectrum estimation using the ESPRIT algorithm)

该代码是自己利用实际的大气污染数据编写的否定选择算法例程，验证否定选择算法的分类效果(The code is their actual air pollution data using negative selection algorithm written routines to verify the effect of negative selection algorithm classification)

matlab扩展编程程序例子，有HMM算法的语音识别，对于初学语音识别的来说很有用(Matlab extension programming examples, a HMM speech recognition algorithm, for beginners is very useful for speech recognition)

Dynamic Voltage Restorer with fuzzy control

Calc standard error of the mean or non-parametric confidence intervals for samples of a time series

混凝土的抗压强度随养护时间的延长而增加，现将一批混凝土作成12个试块，记录了养护日期x（日）及抗压强度y（kg/cm2）的数据：求型回归方程 示例方程在内(The compressive strength of concrete with curing time and increase the extension, now make a number of concrete block 12, recording the date of the conservation of x (day) and compressive strength of y (kg/cm2) of data: the regression equation for sample-based equation, including)