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Colored measurement noise Sinusoidal Parameter Estimation of the cross-spectral methods Levinson
Projection method, which is the traditional cross-spectral estimation is a major improvement. Simulation results show that even in the colored noise and low SNR case, the method still has a very high spectral resolution and spectral stability. Because cross-correlation function of the Yule-Walker equation and the autocorrelation function of the Yule-Walker equation has the form similar to the first 1G No. 3 stone to weapons such as: colored background noise, sine Island View letter reference the estimated spectrum Levln ~ on tile Methods 175 type,ugg boots günstig, the r is not difficult to push,tory burch shoes, see, many based on the autocorrelation function of the Yule ~ Walker equation, since the good performance of spectral estimation methods,ugg milano, such as maximum likelihood method, Mueic method, SVDt out methods and so is not difficult to transplant to the cross spectrum in the past. References DaiYisong. PerformanceAnalvsisofCr0ss-SpectralDensityEstimatorandItsApplication. Int, Electronics, 1991; 71 (1): 45 ~ 53. LeeYeta1. ACross-PowerSpectralMethodforImproredMeasurementofFilmNoisePowerSpectra. SPIE, 1987; 767 (pt1MedicalImaging): 250 ~ 258. OIIOTeta1. DetectionofFrequenciesandPowerSpectraofaPeriodicSignalBurled; nN, ~ isebyaCr0ss-spectrumMethod. , DcoUStSoc, npan, 1988; 4l (2): 91 ~ 9:. Daiyi Song,ugg italia, Shi Yao-wu. The most nV sine voltage level measured cross power spectrum method. China Electrotechnical Society, 1992; 2:: 8 ~ 7. CadzowJAeta1. SingularValueDcomposietionApproachtOTimeSeriesModelling. IEEProc,ugg boots billig, 1983 ~ 130 ( : 202 ~ 2le-. Junqin. Random signal processing. Beijing: Beijing Aerospace University Press, 1999:21 ~ 287. SchmidtRO. MultipleEmitterLocationandSignalParameterEstimation. RDCSpectrmEstimationorksho Port Record. 1979:243 ~ S8. EstimationofParametersofSinusoidalSignalUnderColoredNoiseBackgroundbyCross-spectralLevinsonMethodShiYaowu, DaiYisong, XieXiaohua, GongWenhin (1ilinUniversityofTechnology, Changchun13002'3) Abstraet - TheYule-Walkerequationbasedoncross-correlationisproposedtheoretically, andtheLevinsonalgorithmisdeveloped. ThealgorithmcanefficientlyovercometheshortcomingsoftheclassicalFFTandcr0ss-peri0d0grammethodsforcross-spectralestimation. Finally, themethodpresentedinthispaperiscomparedwiththewell-knownCadzowSSVDmethodbyanumericalexample. KeyWords: Colorednoise ~ Cross-spectralestimation ~ Weaksinusoidalsifnal1234567
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