Development of a photoacoustic acquisition system and their proof-of-concept for hemoglobin detection by Bruna Pinheiro, Vânia Pinto, Hugo Dinis, Michael Belsley, Susana Catarino, Graça Minas, Paulo Sousa

“…PA systems combine an illumination source to excite the sample molecules, with an ultrasound sensor to measure the generated ultrasonic waves, combining the advantages of optics and acoustic methodologies to safely acquire tridimensional signals and images at various depths.This work is focused on the design, implementation and test of an acquisition electronics circuit, based on the PA principle, for hemoglobin (Hb) detection, aiming towards a future integration within an OoC platform. …”
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Research on SiC Speed Controller for High-Voltage Distributed Electric Propulsion System by Labin Wang, Yunhan He, Yun Xu, Li Fan, Junhua Xiang

“…First, to address the likelihood of mutual interference in the bridge arm, a self-bootstrapping voltage reduction drive mode is designed to turn off SiC MOSFET and enhance circuit anti-interference. …”
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A Metallo-Dielectric Groove Gap Waveguide Slotted Array Antenna With Hybrid Glide-Symmetric Holes & “Mushroom”-Type Metasurfaces by Panagiotis Petroutsos, Stavros Koulouridis

“…The hybrid structure utilizes a high-performance metal Groove Gap Waveguide (GGW) feeding network and facilitates the practical manufacturing of slotted antennas and dielectric substrate metasurfaces using printed circuit boards. The proposed antenna incorporates a hybrid glide symmetric holey metasurface into the GGW feeding. …”
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3-DOF Inertial Piezoelectric Actuator for Angular Positioning of the Optical Mirror by Andrius Ceponis, Dalius Mazeika, Regimantas Bareikis

“…Article introduces a novel 3-DOF piezoelectric actuator designed to achieve the high-precision angular motion of a spherical rotor and an optical mirror around three axes. …”
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ExPRession-based E-Worksheet (EBEW): An effort to enhance student' computational thinking skills by Kartini Herlina, Abdurrahman Abdurrahman, Ahmad Naufal Umam, Ayu Nurjanah, Ghani Fadhil Rabbani, Ficha Aulia Indah Pratiwi

“…A quantitative approach with a pre-test and post-test quasi-experimental design was employed, involving 59 students divided into two groups. …”
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Nanostructured Dielectric Layer for Ultrathin Crystalline Silicon Solar Cells by Yusi Chen, Yangsen Kang, Jieyang Jia, Yijie Huo, Muyu Xue, Zheng Lyu, Dong Liang, Li Zhao, James S. Harris

“…Here, we demonstrate a new approach to design, simulate, and fabricate whole-wafer nanostructures on dielectric layer on thin c-Si for solar cell light trapping. …”
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Evaluating Wireless Power Transfer Technologies for Electric Vehicles: Efficiency and Practical Implementation of Inductive, Capacitive, and Hybrid Systems by Thamvarit Singhavilai, Jarurote Tippayachai, Kamon Jirasereeamornkul, Chainarin Ekkaravarodome, Taweesak Samanchuen

“…Moreover, IPT has a more straightforward circuit design owing to the lack of high-frequency components, further enhancing its practicality. …”
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Systematic Theoretical Analysis of Dual-Parameters RF Readout by a Novel LC-Type Passive Sensor by Qiulin Tan, Yanjie Guo, Guozhu Wu, Tao Luo, Tanyong Wei, Sanmin Shen, Wendong Zhang, Jijun Xiong

“…Overall, the theoretical analysis conducted in this work can provide design guidelines for making the dual-parameter LC-type passive sensor useful in practical applications.…”
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Inkjet-printed electronics for rapid and low-cost prototyping of digital microfluidic devices using an off-the-shelf printer by Babak Kamali Doust Azad, Amirhossein Roozbahani, Seyed Mohammad Tabatabaei, Amirali Valinejad, Alireza Fazelian, Kimia Shahmoradi, Fatemeh Khatami, Seyed Mohammad Kazem Aghamir, Mohammadreza Kolahdouz

“…We detail our actuation and control circuitry, designed entirely with standard electronic modules and components. …”
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Analysis of the physical properties of a boron meter based on He-3 neutron detector by Qi-Dong Dai, Guo-En Fu, Can-Hui Wang, Xun-Cheng Zong, Hong-Bo Wang, Can Cui

“…Boron meter is commonly used for real-time monitoring of boron concentration in the primary circuit water of pressurized water reactors to ensure the safe operation of the reactor. …”
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Development of a pulsed magnetic field power supply for small size Betatron by Qi Liu, Jinhai Li, Haitao Wang, Yan Zhang, Haisheng Chen, Renbo Wang, Shumin Zhou

“…In this paper, we present a new structure of capacitor-inductor discharge circuit and develop a pulsed magnetic field power supply for small size Betatron, addressing the urgent need for adjustable pulsed radiation frequencies. …”
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Analysis of Electromagnetic Interference Effects of 5G Signals on Radio Altimeters by Zhaobin Duan, Ke Xu, Zhenyang Ma, Peng Wang

“…A behavioral-level simulation model of the RA receiver’s radio frequency (RF) front-end is constructed based on the advanced design system (ADS), and a 5G signal injection simulation is performed. …”
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Photonics-based modular multistate digital coherent system by I. V. Unchenko, A. A. Emelyanov

“…The results of calculating radiation patterns and mathematical modeling the beam deflection of a broadband antenna array are presented along with antenna systems based thereon.Conclusions. The proposed circuit design solutions allow the time required for developing new types of systems to be significantly reduced due to the range of ready-made technical solutions. …”
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Water level monitoring by using magnetic optical sensor by Jonatan Daniel Morales Arrieta, Jesus Vargas Ortiz, Jesús Patricio Ordaz Oliver, Juan Carlos González Islas, Omar Samperio Vázquez

“…This system comprises a printed circuit board (PCB), a novel float mechanism, an optical sensor, a microcontroller, and a visualization stage. …”
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IMPULSE CONTROL HYBRID ELECTRICAL SYSTEM by A. A. Lobaty, Yu. N. Petrenko, A. S. Abufanas, I. Elzein

“…DCDC converters are a class of electric power circuits that used extensively in regulated DC power supplies, DC motor drives of different types, in Photovoltaic Station energy conversion and other applications due to its advantageous features in terms of size, weight and reliable performance. …”
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HYDRAULIC ELEVATOR INSTALLATION ESTIMATION FOR THE WATER SOURCE WELL SAND-PACK CLEANING UP by V. V. Ivashechkin

“…The article offers design of a hydraulic elevator installation for cleaning up water-source wells of sand packs. …”
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A Diagnostic Method for a Multi-Connected PEM-type Electrolysis System by Current Sweeping by Jiachen GE, Shinji FUJITA, Akira GUNJI, Motoyuki HIROOKA, Masatoshi SUGIMASA, Hiromu KAKUYA

“…Then, swept current and response voltage measurements are collected and subjected to linear and nonlinear regression based on an equivalent circuit, -R0-(R1, C1)-, to obtain its circuit parameters. …”
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Password authentication scheme for mobile computing environment by LIU Jun, LIAO Jian-xin, ZHU Xiao-min, WANG Chun

“…By means of IC（integrated circuit） card,RSA cryptography,and discrete logarithm,a password authentication scheme for mobile computing environment was presented.No verification tables were preserved at the server side to consolidate the security.To be applicable for the mobile computing environment,the scheme was designed as a one-roundtrip protocol to meet the computation-constraint terminals and narrow-bandwidth radio interface.Moreover,the passwords in use could be changed by users without any interaction with servers over the radio.The performance of the scheme was measured by making use of M/G/1/N queuing model and compared with that of TLS.…”
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Beutin (Pas-de-Calais) : une installation thermale domestique en pays morin by David Labarre

“…The study concludes that a first circuit was designed around hypocaust 2183 (room 2) and a second associated with hypocausts 2131 and 2049 (rooms 7 and 9). …”
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Study on the Main Factors of Frequency Variation of LC Resonant Prestress Detection Method by Benniu Zhang, Yuanyuan Zhao, Xingxing Li, Yanpeng Su, Qiang Yin, Jianhui Jiang

“…A steel strand that has an inductive property is designed into the resonant circuit, which can realize the stress measurement of the steel strands by testing the resonant frequency. …”
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