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spectral-estimation

于 2013-08-11 发布文件大小:6KB

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this program will help you to perform spectral estimation using different algorithms such as spectogram

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matlab
回波的产生与消除，在延迟情况下的仿真结果显示(Echo generation and elimination of the delay simulation results show that in case of)

2011-04-27 12:14:33下载

积分：1
BasicExamples2
These are a few more examples on MATLAB

2012-09-05 09:15:38下载

积分：1
amp
运算放大器,电子技术资料，运算放大器,电子技术资料，运算放大器,电子技术资料，(Operational amplifiers, electronic technical information, operational amplifiers, electronic technical information, operational amplifiers, electronic technical information,)

2011-11-13 18:05:57下载

积分：1
Barker_5
雷达信号处理，巴克码信号波形仿真，主要是5位巴克码的仿真(Radar signal processing, Barker code waveform simulation)

2010-06-24 08:39:46下载

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xiaobosuanfa
采样频率 fs=10000 轴承外环故障信号 fid=fopen( bearingout.dat , r ) 故障 N=1024 xdata=fread(fid,N, int16 ) fclose(fid) xdata=(xdata-mean(xdata))/std(xdata,1) 时域波形 figure(1) plot(1:N,xdata) xlabel( 时间 t/n ) ylabel( 电压 V/v ) db10小波进行4层分解一维小波分解 [c,l] = wavedec(xdata,4, db10 ) 重构第1～4层细节信号 d4 = wrcoef( d ,c,l, db10 ,4) d3 = wrcoef( d ,c,l, db10 ,3) d2 = wrcoef( d ,c,l, db10 ,2) d1 = wrcoef( d ,c,l, db10 ,1) ( Sampling frequency fs = 10000 bearing outer ring fault signal fid = fopen (' bearingout.dat' , ' r' ) failure N = 1024 xdata = fread (fid, N, ' int16' ) fclose (fid ) xdata = (xdata-mean (xdata))/std (xdata, 1) time-domain waveform figure (1) plot (1: N, xdata) xlabel (' Time t/n' ) ylabel ( ' voltage V/v' ) db10 wavelet decomposition 4 layer one-dimensional wavelet decomposition [c, l] = wavedec (xdata, 4, ' db10' ) 1 ~ 4 reconstructed detail signal d4 = wrcoef (' d' , c, l, ' db10' , 4) d3 = wrcoef (' d' , c, l, ' db10' , 3) d2 = wrcoef (' d' , c, l, ' db10' , 2) d1 = wrcoef (' d' , c, l, ' db10' , 1) )

2011-05-21 16:48:36下载

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tongbudianji
基于Matlab/simulink 同步电机三相短路故障暂态过程仿真分析(Based on Matlab/simulink synchronous motor three phase short circuit fault Transient Simulation Analysis)

2014-11-05 20:48:08下载

积分：1
kalman
利用kalman滤波进行股票预测，并与灰色预测，及神经网络算法的预测结果进行比较。(Use kalman filter for stock forecasting, and with gray prediction, and neural network algorithm to predict the results were compared.)

2014-11-12 19:42:08下载

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wiener2
维纳滤波滤除噪声但边缘模糊对椒盐噪声滤出效果不是很好(wiener)

2010-09-28 21:02:16下载

积分：1
小电流接地系统的建模与仿真
1、理解小电流接地系统的概念； 2、理解中性点不接地和经消弧线圈接地系统单相故障的特点； 3、学会用MATLAB/Simulink进行小电流接地系统的建模与仿真。 (1, understand the concept of small current grounding system 2, understand the neutral point ungrounded and arc suppression coil grounding system single-phase fault characteristics 3, learn to use MATLAB/Simulink for small current grounding system modeling and simulation.)

2020-11-16 22:19:41下载

积分：1
shiyan064
用双线性变换法设计BW型或CB型的不同类型（低通、高通、带通）的数字滤波器求出系统的单位脉冲响应h(n)(Bilinear transform design BW or CB-type (low pass, high pass, band-pass) digital filter to find the system unit impulse response h (n))

2013-04-08 10:25:37下载

积分：1

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spectral-estimation

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