The ML (Maximum Likelihood) Method for Frequency Estimation of Real Sinusoids in Noise.

Abstract

The DFT-based maximum likelihood method for frequency estimation of complex sinusoids as proposed in two previous articles is extended to treat the case of real data. Improvements on estimation precision and computation efficiency are obtained by imposing an equal-frequency constraint on the pair of complex sinusoids which corresponds to a real sinusoid and by utilizing a single-step interpolation in conjunction with a coarse finite search over the DFT data for the maximum of the likelihood function. Simulation results demonstrate these improvements. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jul 27, 1984
Accession Number
ADA146053

Entities

People

  • M. J. Tsai

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Algorithms
  • Ballistic Missiles
  • Computational Science
  • Computations
  • Computer Simulations
  • Data Science
  • Efficiency
  • Estimators
  • Frequency
  • Gaussian Distributions
  • Interpolation
  • Precision
  • Simulations
  • Spectra
  • Spectral Lines
  • Standards
  • Statistical Algorithms

Fields of Study

  • Engineering

Readers

  • Applied Combinatorial Optimization and Logic Circuit Design.
  • Quantum Chemistry
  • Statistical inference.