Estimating the parameters of linear and quadratic FM signals at low signal-to-noise ratio.
Maree FarquharsonPeter O'SheaGerard LedwichPublished in: SIP (2005)
Keyphrases
- low signal to noise ratio
- random noise
- noise filtering
- low snr
- signal detection
- closed form solutions
- nonlinear regression
- spatial filters
- linear model
- parameter settings
- quadratic function
- transfer function
- semidefinite
- parameter values
- parameter space
- weak signal
- set of linear equations
- power spectral density
- image processing
- linear functions
- nonlinear functions
- operating conditions
- closed form
- parameter estimation
- expectation maximization