2014•Advanced materials researchOpen access

The Simulation Research of Classic Spectrum Estimation Periodogram Method Based on Matlab

Bo Ni Su, Hong Xie, Xi Yao Hua

Abstract

The spectrum estimation is a main content of modern signal processing, it is very important for random signal detection and analysis. This paper researched the classical spectrum estimation method, simulated the periodogram method, Barlett method, and Welch method of power spectrum estimation, then mainly discussed the spectral resolution about different length of data, also discussed the resolution of the spectral estimation and the performance of variance in the different way.

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Available abstract

Key concepts: Periodogram, Spectral density, MATLAB, Spectrum (functional analysis), Spectral density estimation, SIGNAL (programming language), Variance (accounting), Estimation