Simulink

程序计算了压电铌酸锂薄板中Lamb波传播时的相速度(The program calculates the phase velocity of the piezoelectric thin lithium niobate when the Lamb wave propagation)

The exception that is thrown when an error occurs while a {@code Certificate} is being encoded.

Technical Area pattern classification

雷达脉冲内调制特征的提取技术，用于雷达特征分析与信号分选。这是matlab程序。(Within the radar pulse modulation feature extraction technique for radar signature analysis and signal separation. This is a matlab program.)

E=input( enter the generator voltage: ) V=input( enter the infinite bus voltage: ) Gx=input( enter the reactance of generator: ) L1x=input( enter the line reactance: ) L2x=input( enter the line reactance: ) L3x=input( enter the line reactance: ) L4x=input( enter the line reactance: ) Pi=input( enter the input power: ) X1=Gx+L1x+((L2x*L3x)/(L2x+L3x))+L4x Pm1=E*V/X1 DO=asin(Pi/Pm1) A=((L2x*L3x)/(2*(L2x+L3x))) C=A B=((L3x/2)^2)/(L2x+L3x) X2=(Gx+L1x+A)+(L4x+A)+(Gx+L1x+A)*(A+L4x)/B Pm2=(E*V)/X2 X3=Gx+L1x+L2x+L4x Pm3=(E*V)/X3 DC=input( enter the fault clearing angle: ) Dm=(3.14-asin(Pi/Pm3)) a1=quad( sin ,DO,DC) A1=(Pi*(DC-DO)-Pm2*a1) a2=quad( sin ,DC,Dm) A2=Pm3*a2-Pi*(Dm-DC) if(A2>=A1) disp( the system is stable ) else disp( the system is unstable ) end Dcc=acos((Pi*(Dm-DO)-Pm2*(cos(DO))+Pm3*(cos(Dm)))/(Pm3-Pm2)) disp( critical clearing angle: ) Dcc

说明：  本程序实现已知序列绘制其及傅立叶变换的图(the program known sequence mapping and Fourier transform their plans. .)

模拟了FBG的反射谱和透射谱图像，对FBG的初学者很有用！程序有详细的说明。(The refilection spectra of FBG.)

语音信号处理实基于MATLAB的语音信号时域特征分析 要求： 按所学相关语音处理得的知识，通过网上学习、资料查阅，自己设计程序，给出某一语音信号的短时过零率、短时能量、短时自相关特征的分析结果，并借助时域分析方法检测所分析语音信号的基音周期(yu yin xin hao chu li)

说明：  采用AR法进行的风速时程模拟，数据运算正常，可用于调试和改进。(The wind speed time history simulation with AR method has normal data operation and can be used for debugging and improvement.)

一维情况下用ＦＤＴＤ方法模拟电磁波的传播情况，加了吸收边界条件，用Ｃ和MATLAB混合编程，信号源是高斯脉冲(One-Dimensional FDTD simulation with the propagation of electromagnetic waves, plus the absorbing boundary condition, mixed with the C and MATLAB programming, the signal source is a Gaussian pulse)