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Advances in Electronics Technology
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Advances in Electronics Technology

A special issue of Electronics (ISSN 2079-9292).

Deadline for manuscript submissions: closed (15 October 2023) | Viewed by 8835

Special Issue Editors

Prof. Dr. Wensheng Zhao

E-Mail Website
Guest Editor
School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
Interests: interconnect; packaging; TSV; 3-D IC
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jun Wu

E-Mail Website
Guest Editor
College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China
Interests: sensors; multisensor fusion; magnetic detection; electric drive control

Special Issue Information

Dear Colleagues,

This Special Issue comprises selected papers from the proceedings of the IEEE 5th International Conference on Electronics Technology (ICET 2022), held from 13 to 16 May in Chengdu, China. This conference offers an annual platform for international scientists, engineers, and researchers to present the latest research results, ideas, developments, and applications in electronics technology. We would like to invite authors of the conference’s best papers and authors who present novel and original research and developments in the conference to contribute to this Special Issue. Nevertheless, we also welcome regular research or review articles on all aspects of electronics technology. Potential topics include but are not limited to the following items:

  • Antennas and microwaves;
  • Electronics materials and devices;
  • Communication and networks;
  • Power and electrical engineering;
  • Aerospace and electronics systems;
  • Electronics applications;
  • Internet of Things;
  • Embedded systems;
  • AI and applications;
  • Control and robotics;
  • Signal processing.

Selected papers will be subjected to peer review and published with the aim of a rapid and wide dissemination of research results, developments, and applications. We hope this series will grow rapidly in the future and become recognized as a new way and venue by which to present new developments related to the field of electronics.

Prof. Dr. Wensheng Zhao
Prof. Dr. Jun Wu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electronics
  • circuit and system
  • IoT
  • antennas
  • microwave techniques
  • signal processing
  • communication

Published Papers (7 papers)

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Research

13 pages, 2689 KiB  
Article
Phased Array Radar Resource Consumption Method Based on Phase-Switched Screen
by Guoqing Hao, Dejun Feng, Junjie Wang, Zimeng Zhou and Ling Wang
Electronics 2023, 12(18), 3750; https://doi.org/10.3390/electronics12183750 - 5 Sep 2023
Viewed by 727
Abstract
The consumption of phased array radar (PAR) resources affects the accuracy of its multi-target searching and tracking abilities. The jamming methods aimed at PAR involve deceptive jamming and comprehensive jamming strategies, but have the disadvantages of high cost and complexity. Given this context, [...] Read more.
The consumption of phased array radar (PAR) resources affects the accuracy of its multi-target searching and tracking abilities. The jamming methods aimed at PAR involve deceptive jamming and comprehensive jamming strategies, but have the disadvantages of high cost and complexity. Given this context, this paper proposes a PAR resource consumption method based on phase-switched screen (PSS), and derives a relationship between the targets and the evaluation indicators. By implementing periodic modulation of PSS, a controlled number of deceptive multiple false targets can be generated, thereby enticing the radar system to engage in activities such as searching and tracking targets. When the quantity of false targets is increased, the number of beam requests becomes five times higher than compared to the scenario without false targets. This has also led the margin of time resources to exceed 50%, successfully achieving the objective of consuming radar resources. Furthermore, this method offers straightforward manipulation, flexibility, and the potential to significantly consume radar resources. The efficacy of the proposed method is confirmed with the simulation outcomes. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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13 pages, 4210 KiB  
Article
Seismoelectric Coupling Equations of Oil-Wetted Porous Medium Containing Oil and Water
by Yongpeng Zhao, Xiangyang Sun and Zaiping Nie
Electronics 2023, 12(9), 2003; https://doi.org/10.3390/electronics12092003 - 26 Apr 2023
Viewed by 763
Abstract
For porous medium containing multiphase fluid, such as oil-wetted porous medium with oil–water dual phase fluid, its fluid interface will also produce electric double layer (EDL), which will play a role in the seismoelectric effects. At this time, the principle of seismoelectric effects [...] Read more.
For porous medium containing multiphase fluid, such as oil-wetted porous medium with oil–water dual phase fluid, its fluid interface will also produce electric double layer (EDL), which will play a role in the seismoelectric effects. At this time, the principle of seismoelectric effects is more complex. The existing theory for the seismoelectric effects is the Pride theory used in the water-saturated porous formation, which cannot meet the actual needs of the theoretical research of seismoelectric exploration in the porous formation with multiphase fluid. Carbonate porous formations are often oil-wetted; therefore, it is necessary to study the electrokinetic effects of oil-wetted porous medium containing multiphase fluid. In this paper, we treated the oil–water mixture as an effective fluid, and solved the effective elastic parameters and extended the Biot equations to the case of oil-wetted porous medium with oil–water dual phase fluid. We calculated the effective electromagnetic parameters and derived the macroscopic coupling equations of seismoelectric effects and electroseismic effects, and proposed the new electrokinetic coupling coefficients of the oil-wetted porous medium with dual phase fluid. We also deduced the coupling functions of electric and magnetic fields relative to the solid displacement in the homogeneous porous medium, and studied the polarization characteristics of the electric field. We use the derived coupling equations to simulate the seismoelectric logging while drilling in the model of oil-wetted porous formation with dual phase fluid under the excitation of multipole sources. The influence of drill collar wave on the acoustic field and electric field under the excitation of different sources was investigated, which has a certain guiding role in the selection of electrokinetic logging tools. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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18 pages, 3099 KiB  
Article
Study of the Seismoelectric Effect in Saturated Porous Media Using a Bundle of Capillary Tubes Model
by Yongpeng Zhao, Xiangyang Sun and Zaiping Nie
Electronics 2023, 12(2), 379; https://doi.org/10.3390/electronics12020379 - 11 Jan 2023
Cited by 1 | Viewed by 996
Abstract
The seismoelectric effect is the fundamental basis for seismoelectric logging. Most of the existing theories for the seismoelectric effect are based on the Pride theory, which adopts the assumption of a thin electric double layer and uses the volume-averaging method to derive the [...] Read more.
The seismoelectric effect is the fundamental basis for seismoelectric logging. Most of the existing theories for the seismoelectric effect are based on the Pride theory, which adopts the assumption of a thin electric double layer and uses the volume-averaging method to derive the seismoelectric coupling equations; hence, the obtained electrokinetic coupling coefficient is not applicable to large-Debye-length cases. In addition, the Pride theory neglects the change in seepage velocity with the radial position of the pore when calculating the streaming current, which leads to an inaccurate reflection of the influence of pore size on the electrokinetic coupling coefficient. In this study, we proposed a flux-averaging method to solve the effective net residual charge density of porous media and further derived the electrokinetic coupling coefficient expressed by the effective net residual charge density. We also investigated the effect of formation parameters and compared the results with those calculated using the Pride theory. Since the proposed method is not limited by the thin electric double layer assumption, it is suitable for both small- and large-Debye-length cases. Moreover, we also carried out flume experiments to investigate the influence of salinity, where both thin and thick electric double layer cases were studied. The comparison between the results of the experiment and simulation verified the correctness of the proposed method. Furthermore, the proposed method took into account the variation in seepage velocity with pore location when solving for the streaming current; therefore, the influence of the pore size on the electrokinetic coefficient can be described more accurately. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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14 pages, 3115 KiB  
Article
Seismoelectric Effect of Oil-Wetted Porous Media Containing Two-Phase Flow
by Yongpeng Zhao, Xiangyang Sun and Zaiping Nie
Electronics 2023, 12(2), 346; https://doi.org/10.3390/electronics12020346 - 9 Jan 2023
Cited by 1 | Viewed by 952
Abstract
In oil reservoirs, if oil mainly has wettability in the solid phase, such as in carbonate reservoirs, the medium is oil-wetted. For oil-wetted porous media containing an oil and water two-phase flow, there are electric double layers at both the oil–solid interface and [...] Read more.
In oil reservoirs, if oil mainly has wettability in the solid phase, such as in carbonate reservoirs, the medium is oil-wetted. For oil-wetted porous media containing an oil and water two-phase flow, there are electric double layers at both the oil–solid interface and the oil–water interface, which can stimulate the seismoelectric effect. To date, most of the studies on the seismoelectric effects of porous media have mainly focused on water-wetted porous media, however, there are few reported studies on cases of oil-wetted porous media, especially on oil-wetted porous media containing an oil–water two-phase flow. In this paper, we adopted the oil-wetted pore model, in which oil and water are assumed to be immiscible, and each phase is continuous and distributed in parallel. We also considered the influence of the electric double layer at both the oil–solid interface and the oil–water interface on the seismoelectric effect. It was concluded that the seismoelectric effect of oil-wetted porous media containing a two-phase flow is mainly caused by the electric double layer at the oil–water interface, while the effect of the electric double layer at the oil–solid interface can be ignored. We regarded the two-phase flow as an equivalent fluid, and then we derived a governing equation of the seismoelectric effect and proposed the flux-averaging method to derive the electrokinetic coupling coefficients under the excitation of a steady acoustic field and a time-harmonic acoustic field. We also investigated the effects of formation parameters, namely, water saturation, pore size, water viscosity and porosity, on the seismoelectric effect, which can provide a theoretical reference for the study of seismoelectric logging in oil-wetted porous formations containing a two-phase flow. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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13 pages, 2434 KiB  
Article
Streaming Potential in Gas Phase Discrete Unsaturated Pore
by Yongpeng Zhao, Xiangyang Sun and Zaiping Nie
Electronics 2023, 12(1), 72; https://doi.org/10.3390/electronics12010072 - 25 Dec 2022
Viewed by 1297
Abstract
The seismoelectric effect of porous media is the main basis for seismoelectric logging. At present, most of the studies on the seismoelectric effect in unsaturated porous media adopt the model of pores with continuous distribution of gas and liquid. There is a lack [...] Read more.
The seismoelectric effect of porous media is the main basis for seismoelectric logging. At present, most of the studies on the seismoelectric effect in unsaturated porous media adopt the model of pores with continuous distribution of gas and liquid. There is a lack of theoretical research on the micro mechanism of the seismoelectric effect of unsaturated porous media with discrete gas phase, and the existing studies do not consider the effect of the electric double layer at the gas–liquid interface on the seismoelectric effect. Based on the capillary model, this work adopted the gas phase discrete model, combined the electric double layer theory and the seepage principle, considered the effect of electric double layer at the pore wall and the gas–liquid interface, and studied the micro principle of the seismoelectric effect of unsaturated porous media. Firstly, we studied the variation of gas–water two-phase flow pattern with saturation in unsaturated pores, then proposed the equivalent principle of series circuits, deduced the effective streaming current and conductance of a pore containing multiple bubbles, and then deduced the streaming potential coupling coefficient in the unsaturated pores. We also studied the effect of pore parameters such as saturation, pore size, bubble spacing, pore fluid viscosity, and salinity on the streaming potential coupling coefficient. The results show that the streaming potential coupling coefficient first increases and then decreases with the decrease in saturation, which is the same as the trend measured in Allègre’s experiment, and provide a theoretical explanation for the non-monotonic change in the coupling coefficient with saturation in unsaturated porous media. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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9 pages, 3818 KiB  
Communication
A 4th-Order LTCC Bandpass Filter with Both Tunable Center Frequency and Bandwidth
by Hao Wu, Bin You, Kun-Kun Gao and Xun-Gen Li
Electronics 2022, 11(24), 4119; https://doi.org/10.3390/electronics11244119 - 10 Dec 2022
Cited by 2 | Viewed by 1276
Abstract
Reconfigurable filters are one of the key components in microwave communication systems. This letter presents a 4th-order low-temperature cofired ceramic (LTCC) bandpass filter with both a tunable center frequency and bandwidth. This filter has four resonators, and each resonator consists of a circular [...] Read more.
Reconfigurable filters are one of the key components in microwave communication systems. This letter presents a 4th-order low-temperature cofired ceramic (LTCC) bandpass filter with both a tunable center frequency and bandwidth. This filter has four resonators, and each resonator consists of a circular patch, a center-through via, and two varactors. The varactors are placed on the top and bottom layers of the ceramic medium, which can effectively reduce the size of the 4th-order tunable filter. Three transmission zeros (TZs) are introduced to improve the upper stopband rejection. This filter demonstrates a 3-dB bandwidth (BW) range of 170–220 MHz around 2.86 GHz and a 3-dB BW range of 190–320 MHz around 3.2 GHz with a 13 dB minimum return loss. Insertion loss ranging from 3.5 dB to 6.85 dB has been obtained. The overall circuit size, including the package, is 11 mm × 6 mm × 1.6 mm. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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15 pages, 6834 KiB  
Article
Design for Ultrahigh-Density Vertical Phase Change Memory: Proposal and Numerical Investigation
by Xin-Qing Lei, Jia-He Zhu, Da-Wei Wang and Wen-Sheng Zhao
Electronics 2022, 11(12), 1822; https://doi.org/10.3390/electronics11121822 - 8 Jun 2022
Viewed by 1637
Abstract
The integration level is a significant index that can be used to characterize the performance of non-volatile memory devices. This paper proposes innovative design schemes for high-density integrated phase change memory (PCM). In these schemes, diploid and four-fold memory units, which are composed [...] Read more.
The integration level is a significant index that can be used to characterize the performance of non-volatile memory devices. This paper proposes innovative design schemes for high-density integrated phase change memory (PCM). In these schemes, diploid and four-fold memory units, which are composed of nano-strip film GST-based memory cells, are employed to replace the memory unit of a conventional vertical PCM array. As the phase transformation process of the phase change material involves the coupling of electrical and thermal processes, an in-house electrothermal coupling simulator is developed to analyze the performance of the proposed memory cells and arrays. In the simulator, a proven mathematical model is used to describe the phase change mechanism, with a finite element approach implemented for numerical calculations. The characteristics of the GST-strip-based memory cell are simulated first and compared with a conventional vertical cell, with a decrease of 32% in the reset current amplitude achieved. Next, the influences of geometric parameters on the characteristics of memory cell are investigated systematically. After this, the electrothermal characteristics of the proposed vertical PCM arrays are simulated and the results indicate that they possess both excellent performance and scalability. At last, the integration densities of the proposed design schemes are compared with the reference array, with a maximum time of 5.94 achieved. Full article
(This article belongs to the Special Issue Advances in Electronics Technology)
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