activity
20162025
most citedSidelobe Level Reduction in ACF of NLFM Waveform

29 citations · 54 across the 5 of their papers we have counts for

collaborators

5 papers

eess.SP2025★ 4 cited

Sidelobe Level Reduction in the ACF of NLFM Signals Using the Smoothing Spline Method

Roohollah Ghavamirad, Ramezan Ali Sadeghzadeh, Mohammad Ali Sebt

The high level of sidelobes in the autocorrelation function of the nonlinear frequency modulation signal is a challenge. One of the conventional methods to reduce the sidelobe leve…

eess.SP2019

Range resolution improvement for two close targets by using the FM signals

Roohollah Ghavamirad, Ramezan Ali Sadeghzadeh, Mohammad Ali Sebt +1

In this paper, we have focused on the improvement of the range resolution of two close targets by using FM signal. Two algorithms comprise IFFT and MUSIC have been used to reach ou…

eess.SP2018★ 29 cited

Sidelobe Level Reduction in ACF of NLFM Waveform

Roohollah Ghavamirad, Mohammad Ali Sebt

In this paper, an iterative method is proposed for nonlinear frequency modulation (NLFM) waveform design based on a constrained optimization problem using Lagrangian method. To dat…

eess.SP2018★ 21 cited

Phase Improvement Algorithm for NLFM Waveform Design to Reduction of Sidelobe Level in Autocorrelation Function

Roohollah Ghavamirad, Mohammad Ali Sebt, Hossein Babashah

In this paper, a phase improvement algorithm has been developed to design the nonlinear frequency modulated (NLFM) signal for the four windows of Raised-Cosine, Taylor, Chebyshev,…

cs.IT2016

Nonlinear FM Waveform Design to Reduction of sidelobe level in Autocorrelation Function

Roohollah Ghavamirad, Hossein Babashah, Mohammad Ali Sebt

This paper will design non-linear frequency modulation (NLFM) signal for Chebyshev, Kaiser, Taylor, and raised-cosine power spectral densities (PSDs). Then, the variation of peak s…