Mohamed I. Zaki – Ragab A. El-Sehiemy – Ghada M. Amer:
Efficient fault identification scheme of compensated transmission grid based
on correlated reactive power measurements and discrete wavelet transform
/217-228, https://doi.org/10.2478/jee-2021-0031/  [abstract]   [full-paper]

Jawad F. Al-Asad – Hiren K. Mewada – Adil H. Khan –
Nidal Abu-Libdeh – Jamal F. Nayfeh:
Frequency domain despeckling technique for medical ultrasound images
/229-239, https://doi.org/10.2478/jee-2021-0032/  [abstract]   [full-paper]

Ahmed Z. A. Zaki – Tamer Gaber Abouelnaga – Ehab K. I. Hamad – Hala A. Elsadek:
Design of dual-band implanted patch antenna system for bio-medical applications
/240-248, https://doi.org/10.2478/jee-2021-0033/  [abstract]   [full-paper]

Daniel Mayer:
Protection of power transformers against the effect of magnetic storms
/249-255, https://doi.org/10.2478/jee-2021-0034/  [abstract]   [full-paper]

Peter Ondrejka – Martin Kemény – Matúš Dubina – Patrik Novák
– Ivan Hotový – Miroslav Mikolášek:
Supercapacitors and energy conversion structures based on WS₂ and MoS₂ disulfides
/256-261, https://doi.org/10.2478/jee-2021-0035/  [abstract]   [full-paper]

Yangyang Zhao – Xu Zhang – Peihao Zhu – Qingchun Zheng:
Iron loss analysis and calculation of high energy density
permanent magnet machine
/262-267, https://doi.org/10.2478/jee-2021-0036/  [abstract]   [full-paper]

Susmita Bala – P. Soni Reddy – Sushanta Sarkar – Partha Pratim Sarkar:
Wideband monopole antenna with dual band rejection characteristics
/268-272, https://doi.org/10.2478/jee-2021-0037/  [abstract]   [full-paper]

Ismail Yarici – Yavuz Ozturk:
Analysis of an inverted square SRR via design of experiment (DoE) approach
/273-277, https://doi.org/10.2478/jee-2021-0038/  [abstract]   [full-paper]

Libor Ladányi – Martin Králik :
Automatic buildings detection using Sobel, Roberts, Canny and Prewwitt detector
/278-282, https://doi.org/10.2478/jee-2021-0039/  [abstract]   [full-paper]

Bohumil Brtník:
Combination of HP and LP filters for narrow band antialiasing filter
/283-286, https://doi.org/10.2478/jee-2021-0040/  [abstract]   [full-paper]