88 citations · 193 across the 11 of their papers we have counts for
11 papers
LSTM-CNN Network for Audio Signature Analysis in Noisy Environments
Praveen Damacharla, Hamid Rajabalipanah, Mohammad Hosein Fakheri
There are multiple applications to automatically count people and specify their gender at work, exhibitions, malls, sales, and industrial usage. Although current speech detection m…
A single metagrating metastructure for wave-based parallel analog computing
Hamid Rajabalipanah, Ali Momeni, Mahdi Rahmanzadeh +2
Wave-based signal processing has witnessed a significant expansion of interest in a variety of science and engineering disciplines, as it provides new opportunities for achieving h…
Reciprocal Metasurfaces for On-axis Reflective Optical Computing
Ali Momeni, Hamid Rajabalipanah, Mahdi Rahmanzadeh +4
Analog computing has emerged as a promising candidate for real-time and parallel continuous data processing. This paper presents a reciprocal way for realizing asymmetric optical t…
Analytical Design for Full-space Spatial Power Dividers Using Metagratings
Hamid Rajabalipanah, Ali Abdolali
We present a rigorous theoretical framework for designing full-space spatial power dividers using metagratings. In our study, the current restrictions of spatial power dividing pla…
Time-modulated Measurements: Material Characterization Based on Scalar Reflection Data
Sepideh Ghasemi, Hamid Rajabalipanah, Majid Tayarani +2
This paper explores the time-modulated waveguide setups for unique and accurate permittivity and permeability extraction of lossy dispersive samples with phase-less measurements. W…
Electromechanically Programmable Space-Time-Coding Digital Acoustic Metasurfaces
Hamid Rajabalipanah, Mohammad Hosein Fakheri, Ali Abdolali
Over the last couple of years, the digital coding acoustic metasurfaces have been developed rapidly as a highly active research area for their unique and flexible manipulation of a…
How Do Space-Time Digital Metasurfaces Serve to Perform Analog Signal Processing?
Hamid Rajabalipanah, Ali Abdolali, Shahid Iqbal +2
In the quest to realize analog signal processing using sub-wavelength metasurfaces, in this paper, we demonstrate the first experimental demonstration of programmable time-modulate…
Real-time Terahertz Wave Channeling via Multifunctional Metagratings: A Sparse Array of All-Graphene Scatterers
Sahar Behroozinia, Hamid Rajabalipanah, Ali Abdolali
Acquiring full control over a large number of diffraction orders can be strongly attractive in the case of realizing multifunctional devices such as multichannel reflectors. Recent…
Self-biased Tri-state Power-Multiplexed Digital Metasurface Operating at Microwave Frequencies
Mehdi Kiani, Majid Tayarani, Ali Momeni +2
Exploiting of nonlinearity has opened doors into undiscovered areas for achieving multiplexed performances in recent years. Although efforts have been made to obtain diverse nonlin…
Addition Theorem Revisiting for Phase/Amplitude-Encoded Metasurfaces: Asymmetric Spatial Power Dividers
Hamid Rajabalipanah, Ali Abdolali, Javad Shabanpour +2
Recent years have witnessed an extraordinary spurt in attention toward the wave manipulating strategies revealed by coding metasurfaces as they build up a bridge between the physic…
Generalized Optical Signal Processing Based on Multi-Operator Metasurfaces Synthesized by Susceptibility Tensors
Ali Momeni, Hamid Rajabalipanah, Ali Abdolali +1
This paper theoretically proposes a multichannel functional metasurface computer characterized by Generalized Sheet Transition Conditions (GSTCs) and surface susceptibility tensors…