This article addresses the problem of fast and accurate chirp signal parameter estimation in
fractional Fourier domains. By employing a perturbation analysis, it is shown that the …

We propose analytical formulations, approximations, upper and lower bounds for the angle
sweep of maximum magnitude of fractional Fourier transform of mono-and multicomponent …

In ultrasonic positioning systems (UPSs) chirp waveforms have attracted much attention due
to its high range resolution. However, the multiple-access schemes for the chirp-based UPS …

The random sample consensus algorithm has been successfully employed for the
estimation of parameters in polynomial phase signals. It significantly reduces the signal-to …

Hyperbolic-frequency-modulated (HFM) waveforms offer detection performance that is
“Doppler insensitive”-relatively unaffected by target range rate in matched filtering. They …

The problem of linear frequency modulated (LFM) or chirp signal analysis is proposed in this
paper. It is considered as an estimation theory problem in which the LFM parameters are …

Parameter estimation of chirp signals plays an important role in the field of radar
countermeasures. Compressed sensing (CS) based sub-Nyquist sampling and parameter …

A two-stage technique for estimating hyperbolic frequency modulated (HFM) signal
parameters is proposed. In the first stage, coarse parameter estimations are performed …

Distance-based ultrasonic positioning systems (UPSs) using trilateration have been adopted
in various types of applications across a wide variety of fields. Recently, the use of a chirp …

Linear frequency modulation (LFM) signals have been widely used for target detection in
active sonar systems due to their robustness to reverberation. However, LFM active sonar …