Design investigation of metasurface sensor with Square pixels and neural network optimization for early cancer detection

ZS Tabatabaeian, A Sahari, AA Bahari, R Esmaeili - Optik, 2024 - Elsevier
In this article, a method for designing a THz metasurface sensor with the help of a neural
network is presented. In this method, the goal is to obtain a metasurface with the highest Q …

Cascaded deep Q-network for optimization of substrate integrated waveguide couplers

H Cai, Y Shen, S Hu - … Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
In this brief, a method to automatically optimize substrate integrated waveguide (SIW)
couplers with different power-dividing ratios is proposed. In the proposed method, a cascade …

Sensitivity analysis of a wideband backward-wave directional coupler using neural network and Monte Carlo method (Research Note)

ZS Tabatabaeian, MH Neshati - International Journal of Engineering, 2018 - ije.ir
In this paper sensitivity analysis of a wideband backward-wave directional coupler due to
fabrication imperfections is done using Monte Carlo method. For using this method, a …

Integration of SIW directional coupler and E-plane tee for wideband antenna using hybrid of rectangular and ring slots for X-band applications

AH Elfeky, AF Miligy, HN Kheirallah… - … Conference (ITC-Egypt …, 2022 - ieeexplore.ieee.org
Advances in microwave technology and telecommunications have led to compact circuits,
reduction of costs, masses and losses. The integration between microwave devices and …

Analysis and implementation of binomial SIW slot antenna array based on Pascal's triangle using 6-port SIW directional coupler for X-band systems

AH Elfeky, AF Miligy, HN Kheirallah… - … Conference (ITC-Egypt …, 2022 - ieeexplore.ieee.org
The binomial array is a non-uniform amplitude array in which the amplitude of the antenna
elements are arranged depending on the coefficient of the binomial series. This series …

Development of a forward-wave directional coupler loaded with a periodic shunt structure

ZS Tabatabaeian, MH Neshati - 2016 8th International …, 2016 - ieeexplore.ieee.org
The current paper presents a wideband forward-wave directional coupler. Periodic shunt
structure is employed to design the proposed coupler. Using even-and odd-mode analysis, it …

Development of broadband forward‐wave directional couplers loaded by periodic patterned ground structure

ZS Tabatabaeian, MH Neshati - International Journal of RF and …, 2017 - Wiley Online Library
In this paper two wideband Forward‐Wave Directional Couplers (FWDCs) with 0 dB and 3
dB coupling level are proposed. Using periodic patterned ground structure in a microstrip …

Backward Wave Microstrip Coupler for Long Term Evolution Applications

Š Salihović, ST Imeci, A Almisreb… - 2022 IEEE 13th Control …, 2022 - ieeexplore.ieee.org
This study investigates the design and analysis of a 3-dB wideband microstrip coupler. As
we know, a coupler is used for devices with tight coupling and provides half the input power …

K-Band Substrate Integrated Waveguide (SIW) Coupler

N Khalid, SZ Ibrahim, WF Hoon - IOP Conference Series …, 2018 - iopscience.iop.org
This paper presents a designed coupler by using substrate Roger RO4003. The four port
network coupler operates at (18-26 GHz) and designed by using substrate integrated …

Development of forward-wave directional couplers loaded by periodic shunt shorted stubs

ZS Tabatabaeian, MH Neshati - International Journal of Engineering, 2017 - ije.ir
In this paper a new procedure for designing forward-wave directional couplers using
periodic shunt short circuited stubs is proposed. A new type of cell using these stubs, which …