xd

This is matlab/simulink code to develop frequency domain conversion

采用子带GMM建模和贝叶斯理论来实现单信道混合语音的分离。主要分训练和分离两个阶段(Using sub-band GMM modeling and Bayesian theory to achieve the single-channel mixed audio separation. Mainly consists of two stages： training and separation )

mqam demodultion code with fc,fs,fd,M and ini_phase parameter

CDMA Reference Blockset,CDMA的一个英文文档(CDMA Reference Blockset, CDMA in an English document)

使用匈牙利算法实现二部图最大匹配，最终找到二部图的最大匹配(achieve the max matching in bipartite graph useing the method of Hungarian algorithm)

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

LPC分析是进行语音分析的有效技术之一，包括语音信号采集，(about LPC)

Matlab为编程、分析工具,运用上、下行链路分离正序法对60GHz射频光纤( RoF) 系统进行功率设计、计算及分配(Powerdesignanddistributionof 60GHzRoFsystem)

短时傅立叶变换matlab分析 绝对好用的STFT程序，注释清晰，如假包换！！(Short time FFT matlab analysis)

求DFT并做出离散函数xn的傅里叶变换图像 (Computing the 24-points DFTs of the two sequences that x1(n)= cos(nπ/6) and x2(n)= cos(nπ/4) using a single 24-point DFT by Matlab )