Thematische Bibliographien / Conditioning and processing electrical signal / Zeitschriftenartikel
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Zeitschriftenartikel zum Thema „Conditioning and processing electrical signal“

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Veröffentlicht am 25. Mai 2024

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1

Rei, Silviu, Dan Chicea, Beriliu Ilie, and Sorin Olaru. "Dynamic Light Scattering Signal Conditioning for Data Processing." ACTA Universitatis Cibiniensis 69, no. 1 (2017): 130–35. http://dx.doi.org/10.1515/aucts-2017-0016.

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Abstract When performing data acquisition for a Dynamic Light Scattering experiment, one of the most important aspect is the filtering and conditioning of the electrical signal. The signal is amplified first and then fed as input for the analog digital convertor. As a result a digital time series is obtained. The frequency spectrum is computed by the logical unit offering the basis for further Dynamic Light Scattering analysis methods. This paper presents a simple setup that can accomplish the signal conditioning and conversion to a digital time series.
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Zulkiflli, Nur Amira, Kaviarasu Nandaguru, Omar Fahmi Arm, et al. "Electrical Impedance Tomography Signal Conditioning for Lung Imaging Applications." Journal of Human Centered Technology 2, no. 2 (2023): 78–87. http://dx.doi.org/10.11113/humentech.v2n2.58.

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Electrical impedance tomography (EIT) imaging is capable for human lung imaging based on its continuous self-monitoring capabilities, and suitability for daily routines. This paper introduces a simulation work for EIT signal conditioning circuit and its simulated waveform response using Multisim software. EIT circuit simulations consist of several signal processing circuits for the receiving part of the EIT, band pass filter circuit, amplifier, and analog-to-digital circuit. The system produced a unit function signal of 5V from an input 250 kHz sine function via band pass filter, operational a
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Payo, Ismael, José L. Polo, Blanca López, et al. "Signal conditioning circuit for gel strain sensors." Smart Materials and Structures 31, no. 1 (2021): 015020. http://dx.doi.org/10.1088/1361-665x/ac36e0.

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Abstract Conductive hydrogels are soft materials which have been used by some researchers as resistive strain sensors in the last years. The electrical resistance change, when the sensor is stretched or compressed, is usually measured by the two-electrode method. This method is not always suitable to measure the electrical resistance of polymers-based materials, like hydrogels, because it could be highly influenced by the electrode/sample interface, as explained in this study. For this reason, a signal conditioning circuit, based on four-electrode impedance measurements, is proposed to measure
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Celka, Patrick, Rolf Vetter, Philippe Renevey, et al. "Wearable biosensing: signal processing and communication architectures issues." Journal of Telecommunications and Information Technology, no. 4 (December 30, 2005): 90–104. http://dx.doi.org/10.26636/jtit.2005.4.340.

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Long-term monitoring of human vital signs is becoming one of the most important fields of research of biomedical engineering. In order to achieve weeks to months of monitoring, new strategies for sensing, conditioning, processing and communication have to be developed. Several strategies are emerging and show different possible architectures. This paper essentially focuses on issues in wearable biosignal processing and communication architecture currently running at the Swiss Center for Electronics andMicrotechnology (CSEM) in the framework of several European projects.
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Allén, Markus, Jaakko Marttila, and Mikko Valkama. "Modeling and mitigation of nonlinear distortion in wideband A/D converters for cognitive radio receivers." International Journal of Microwave and Wireless Technologies 2, no. 2 (2010): 183–92. http://dx.doi.org/10.1017/s1759078710000292.

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This article discusses the reduction of nonlinearities in analog-to-digital (A/D) converters using digital signal processing (DSP). Also modeling of certain essential nonlinearities is considered in detail. The main focus is on wideband radio receivers, such as the emerging cognitive radio applications, where a collection of signals at different frequency channels is converted to digital domain as a whole. Therefore, the overall dynamic range can easily be in the order of tens of dBs and thus even mild nonlinear distortion can cause strong carriers to block weaker signal bands. In this article
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Riches, S. T., C. Johnston, M. Sousa, and P. Grant. "High Temperature Endurance of Packaged SOI Devices for Signal Conditioning and Processing Applications." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2011, HITEN (2011): 000251–54. http://dx.doi.org/10.4071/hiten-paper8-sriches.

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Silicon on Insulator (SOI) device technology is fulfilling a niche requirement for electronics that functions satisfactorily at operating temperatures of >200°C. Most of the reliability data on the high temperature endurance of the devices is generated on the device itself with little attention being paid to the packaging technology around the device. Similarly, most of the reliability data generated on high temperature packaging technologies uses testpieces rather than real devices, which restricts any conclusions on long term electrical performance. This paper presents results of high
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Wu, Chenning, Martin Hutton, and Manuchehr Soleimani. "Smart Water Meter Using Electrical Resistance Tomography." Sensors 19, no. 14 (2019): 3043. http://dx.doi.org/10.3390/s19143043.

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Smart flow monitoring is critical for sewer system management. Obstructions and restrictions to flow in discharge pipes are common and costly. We propose the use of electrical resistance tomography modality for the task of smart wastewater metering. This paper presents the electronics hardware design and bespoke signal processing to create an embedded sensor for measuring flow rates and flow properties, such as constituent materials in sewage or grey water discharge pipes of diameters larger than 250 mm. The dedicated analogue signal conditioning module, zero-cross switching scheme, and real-t
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de Faria, Gabriella Maria, Eugênia Gonzales Lopes, Eleonora Tobaldini, et al. "Advances in Non-Invasive Neuromodulation: Designing Closed-Loop Devices for Respiratory-Controlled Transcutaneous Vagus Nerve Stimulation." Healthcare 12, no. 1 (2023): 31. http://dx.doi.org/10.3390/healthcare12010031.

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Studies suggest non-invasive transcutaneous auricular vagus nerve stimulation (taVNS) as a potential therapeutic option for various pathological conditions, such as epilepsy and depression. Exhalation-controlled taVNS, which synchronizes stimulation with internal body rhythms, holds promise for enhanced neuromodulation, but there is no closed-loop system in the literature capable of performing such integration in real time. In this context, the objective was to develop real-time signal processing techniques and an integrated closed-loop device with sensors to acquire physiological data. After
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Chen, Xiyuan, Loic Maxwell, Franklin Li, et al. "Design and Integration of a Wireless Stretchable Multimodal Sensor Network in a Composite Wing." Sensors 20, no. 9 (2020): 2528. http://dx.doi.org/10.3390/s20092528.

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This article presents the development of a stretchable sensor network with high signal-to-noise ratio and measurement accuracy for real-time distributed sensing and remote monitoring. The described sensor network was designed as an island-and-serpentine type network comprising a grid of sensor “islands” connected by interconnecting “serpentines.” A novel high-yield manufacturing process was developed to fabricate networks on recyclable 4-inch wafers at a low cost. The resulting stretched sensor network has 17 distributed and functionalized sensing nodes with low tolerance and high resolution.
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Nathan, Arokia. "Microsensors for physical signals: Principles, device design, and fabrication technologies." Canadian Journal of Physics 74, S1 (1996): 115–30. http://dx.doi.org/10.1139/p96-844.

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Microsensors are miniaturized devices, fabricated using silicon-based and related technologies, that convert input physical and chemical signals into an output electrical signal. The key driving force in microsensor research has been the integrated circuit (IC) and micromachining technologies. The latter, in particular, is fueling tremendous activity in micro-electromechanical systems (MEMS). In terms of technology and design tools, MEMS is at a stage where microelectronics was 30 years ago and is expected to evolve at an equally rapid pace. The synergy between the IC, micromachining, and inte
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Ip, H. H. S., and W. H. Wong. "Fast conditioning algorithm for significant zero curvature detection." IEE Proceedings - Vision, Image, and Signal Processing 144, no. 1 (1997): 23. http://dx.doi.org/10.1049/ip-vis:19971041.

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Bunch, J. R., R. C. Le Borne, and I. K. Proudler. "Tracking ill-conditioning for the RLS-lattice algorithms." IEE Proceedings - Vision, Image, and Signal Processing 145, no. 1 (1998): 1. http://dx.doi.org/10.1049/ip-vis:19981747.

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Riches, S. T., C. Johnston, A. Crossley, and P. Grant. "End of Life Failure Modes for Packaged SOI Devices for Signal Conditioning and Processing Applications." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, HITEC (2012): 000327–34. http://dx.doi.org/10.4071/hitec-2012-tha21.

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Silicon on Insulator (SOI) device technology has been shown to be capable of functioning satisfactorily at operating temperatures of >200°C. Most of the applications to date have required performance for short times (<2,000 hours) at the highest operating temperatures of up to 225°C in down-well drilling applications. There is interest in extending the endurance of high temperature electronics into aero-engine and other applications where a minimum 20 year operating life is stipulated. In order to gain confidence in high temperature electronics that can meet this requirement, acc
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Safari, Leila, Gianluca Barile, Vincenzo Stornelli, and Giuseppe Ferri. "A Review on VCII Applications in Signal Conditioning for Sensors and Bioelectrical Signals: New Opportunities." Sensors 22, no. 9 (2022): 3578. http://dx.doi.org/10.3390/s22093578.

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This study reviews second-generation voltage conveyor (VCII)-based read-out circuits for sensors and bioelectrical signal conditioning from existing literature. VCII is the dual circuit of a second-generation current conveyor (CCII), which provides the possibility of processing signals in the current domain while providing output signals in the voltage form. The scope of this paper is to discuss the benefits and opportunities of new VCII-based read-out circuits over traditional ones and bioelectrical signals. The achieved main benefits compared to conventional circuits are the simpler read-out
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Castillo, Joel A., Jorge Flores-Troncoso, Rigoberto Jáuregui, Jorge Simón, and José L. Alvarez-Flores. "Signal Conditioning Stage in S-Band Communication Subsystem for CubeSat Applications." Electronics 10, no. 14 (2021): 1627. http://dx.doi.org/10.3390/electronics10141627.

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This work presents the design, performance evaluation, manufacture, and characterization of an RF front-end signal conditioning chain on a substrate that achieves the best performance at S-band frequencies and complies with the dimensions of the international standard for CubeSat-type nanosatellites. In this development, the signal conditioning chains were carried out on the high-frequency substrates RO4350B, CuClad 250, and RT/duroid 5880, considering scattering parameters in a small-signal regime. Concerning the power output, after the filtering and amplifying stages, the conditioning chain
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Li, Jun, Bo Geng, Zhixian Lin, et al. "Multiagent Consensus Control Strategy considering Whole-Process Thermodynamic Characteristics of Air Conditioning Process." Journal of Electrical and Computer Engineering 2021 (July 28, 2021): 1–10. http://dx.doi.org/10.1155/2021/5543298.

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Due to the distributed and decentralized characteristics of air conditioning load, the distributed control strategy has advantages for the air conditioning load to participate in the demand response. However, existing approaches focus on the dynamic control performance with very few considerations on the cost. To fill this gap, this paper proposes a multiagent consensus control method considering the whole-process response cost of air conditioning. Based on the thermodynamic characteristics of air conditioning load in the load reduction process and recovery process, the cost function curve of
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Olarte, L. N., M. C. Orrego, G. S. Serna, and P. X. Villabón. "Electronic acquisition of the electromyographic signal - Phase 1." Journal of Research in Engineering Science- JRES 2 (January 1, 2017): 23–32. http://dx.doi.org/10.33133/jres-2-2017-167.

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This document evidences the research proposal, focused on the electronic design for the acquisition and conditioning of the electromyographic signal, from non-invasive methods for subsequent analysis in amplitude and time, variables that will allow evaluating the electrical activity of nerves and muscles. Nowadays in the area of biomedicine, the obtaining and conditioning of electrophysiological data of individuals is of great importance. Firstly, the adequate processing and visualization of the expected signal pattern can provide the specialist with optimal reading of data by providing correc
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Gaddour, Ahmed, Hafedh Ben Hassen, Wael Dghais, Hamdi Belgacem, and Mounir Ben Ali. "A Novel Conditioning Circuit for Floating-Gate ISFET Bio-Sensor." International Journal of Circuits, Systems and Signal Processing 15 (August 27, 2021): 1174–83. http://dx.doi.org/10.46300/9106.2021.15.128.

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Floating-Gate-Ions-Sensitive-Field-Effect-Transistors (FG-ISFETs) are becoming the sensor’s platform for various fields such as biomedical and chemical sensors. Despite many advantages like quick response, small size as well as wide measurement range, the efficiency of the output measurement is widely affected by temperature, This requires more safety in the measured results and the analysis’s tools. This study describes a novel integrated circuit that improves the thermal stability of the output signal of the ion-sensitive field effect transistors (ISFETs). After that, we investigate the temp
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Hou, Zhuo, Sanmin Shen, Yong Ye, et al. "Research on the Linear Acceleration Sensor Signal Acquisition Technology Based on the High-Order Anti-Aliasing Cauer Filter." Journal of Circuits, Systems and Computers 29, no. 01 (2019): 2050008. http://dx.doi.org/10.1142/s0218126620500085.

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A linear acceleration sensor integrated into an inertial measurement unit and its signal processing technology are presented in this paper. Based on the characteristics of the acceleration sensor, before analog-to-digital conversion, a design method for optimizing and conditioning the output signal in levels of frequency with the high-order anti-aliasing Cauer filter is proposed. Compared with the previously published papers, here we not only focus on the anti-aliasing filtering effect under a single channel, but also pay more attention to the anti-aliasing filtering effect with more data to t
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Galea, Francarl, Owen Casha, Ivan Grech, Edward Gatt, and Joseph Micallef. "Experimental Measurements of a Low Power CMOS Analog MPPT Power Conditioning Circuit for Energy Harvesting Applications." International Journal of Circuits, Systems and Signal Processing 14 (January 18, 2021): 1192–97. http://dx.doi.org/10.46300/9106.2020.14.147.

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This paper presents the complete measured performance and characterization of a fabricated power conditioning integrated circuit for energy harvesters with on-chip maximum power point tracking (MPPT) and external energy storage. This ultra-low power circuit employs an AC/DC-to-DC converter compatible with both AC and DC voltage energy harvesters. The MPPT design follows the perturbation and observation algorithm. This MPPT is capable of tracking the maximum power point of types of energy harvesters. The circuit is implemented using the AMS CMOS 0:35 μm high voltage technology and all the circu
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Wang, Wei, and Yongping Li. "Design and Implementation of an Orbitrap Mass Spectrometer Data Acquisition System for Atmospheric Molecule Identification." Electronics 12, no. 11 (2023): 2387. http://dx.doi.org/10.3390/electronics12112387.

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Orbitrap mass spectrometers have gained widespread popularity in ground-based environmental component analysis. However, their application in atmospheric exploration for space missions remains limited. Existing data acquisition solutions for Orbitrap instruments primarily rely on commercial systems and computer-based spectrum analysis. In this study, we developed a self-designed data acquisition solution specifically tailored for atmospheric molecule detection. The implementation involved directly integrating a spectrum analysis algorithm onto a field programmable gate array (FPGA), enabling m
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Wu, Yun. "Design and Performance Analysis of X-ray Photoelectric Collector for Logistics Transportation." Journal of Nanoelectronics and Optoelectronics 17, no. 6 (2022): 888–94. http://dx.doi.org/10.1166/jno.2022.3278.

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The strong conveyor belt has been widely used in mines, ports, wharves, power plants, steel mills, and other fields. It is one of the main transportation equipment in modern production. In coal mine production, the logistics conveyor belt is essential equipment. The increased load can scratch and age the conveyor belt. Then, coupled with the elongation of joints, the equipment fails. This work designs an X-ray Photoelectric (XP) collector for logistics transportation and puts forward the design scheme. This work expounds on the hardware circuit of the XP collector, mainly based on the Image Ca
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Sio-Sever, Andrés, Erardo Leal-Muñoz, Juan Manuel Lopez-Navarro, Ricardo Alzugaray-Franz, Antonio Vizan-Idoipe, and Guillermo de Arcas-Castro. "Non-Invasive Estimation of Machining Parameters during End-Milling Operations Based on Acoustic Emission." Sensors 20, no. 18 (2020): 5326. http://dx.doi.org/10.3390/s20185326.

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This work presents a non-invasive and low-cost alternative to traditional methods for measuring the performance of machining processes directly on existing machine tools. A prototype measuring system has been developed based on non-contact microphones, a custom designed signal conditioning board and signal processing techniques that take advantage of the underlying physics of the machining process. Experiments have been conducted to estimate the depth of cut during end-milling process by means of the measurement of the acoustic emission energy generated during operation. Moreover, the predicte
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Liu, Weiping, Ximing Zhang, Zhaofeng Wang, Yulin Wang, Bochun Hu, and Ye Zhuang. "Exploration of Vibration Signal Measurement Method of Automobile Parts Utilizing FPGA/Photoelectric Sensor." Journal of Nanoelectronics and Optoelectronics 16, no. 10 (2021): 1629–37. http://dx.doi.org/10.1166/jno.2021.3097.

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According to the current situation of the sensor, a vibration signal monitoring system is proposed of automobile parts based on Field Programmable Gate Array (FPGA) and photoelectric sensor. FPGA controls the peripheral circuit and sets instructions to process the acquired vibration signal. The Serial Port Interface (SPI) is utilized for the data transmission and communication between the instruction set and FPGA. FPGA transmits the acquired data to the Digital Signal Processing (DSP) through the SPI and then backs up to the Secure Digital (SD) card for in-depth analysis. The Fiber Bragg Grati
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Meng, H., M. L. Hernandez, Y. Liu, and X. Wang. "Computationally efficient PCRLB for tracking in cluttered environments: measurement existence conditioning approach." IET Signal Processing 3, no. 2 (2009): 133. http://dx.doi.org/10.1049/iet-spr:20080040.

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Maciusowicz, Michal, and Grzegorz Psuj. "Use of Time-Dependent Multispectral Representation of Magnetic Barkhausen Noise Signals for the Needs of Non-Destructive Evaluation of Steel Materials." Sensors 19, no. 6 (2019): 1443. http://dx.doi.org/10.3390/s19061443.

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Due to the existing relationship between microstructural properties and magnetic ones of the ferromagnetic materials, the application potential of the magnetic Barkhausen noise (BN) method to non-destructive testing is constantly growing. However, the stochastic nature of the Barkhausen effect requires the use of advanced signal processing methods. Recently, the need to apply time-frequency (TF) transformations to the processing of BN signals arose. However, various TF methods have been used in the majority of cases for qualitative signal conditioning and no extensive analysis of TF-based info
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Knechtel, Roy, Micaela Wenig, Stefan Svoboda, et al. "Investigation of the Processing Behavior and Stability of Different Glass Frit Materials." ECS Transactions 112, no. 3 (2023): 229–46. http://dx.doi.org/10.1149/11203.0229ecst.

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Glass frit wafer bonding is a widely used process in the development and production of microsystems, especially for integrating sensors and their signal conditioning circuits. As a result, glass frit bonded wafers must withstand subsequent process modules, such as silicon (wafer) through vias (TSVs) processing. The properties of glass materials for wafer bonding play a crucial role in ensuring the performance and reliability of such wafers. With the advent of new environmental regulations, Lead-free glass frit materials are being developed to replace the current Lead-containing glasses. In thi
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Riches, S. T., C. Johnston, and A. Lui. "Realisation of High Temperature Electronics Packaging Technology for Sensor Conditioning and Processing Applications." International Symposium on Microelectronics 2012, no. 1 (2012): 000192–99. http://dx.doi.org/10.4071/isom-2012-ta61.

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The requirement to install electronic power and control systems in high temperature environments in aero-engines and in down-well exploration has posed a challenge to the traditional limit of 125°C of electronics systems. The leap in operating temperature to above 200°C in combination with high pressures, vibrations and potentially corrosive environments means that different semiconductors, passives, circuit boards and assembly processes will be needed to fulfil target performance specifications. Silicon on Insulator (SOI) device technology has been shown to be capable of functioning satisfact
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Livanos, Nikolaos-Antonios I., Sami Hammal, Nikolaos Giamarelos, Vagelis Alifragkis, Constantinos S. Psomopoulos, and Elias N. Zois. "OpenEdgePMU: An Open PMU Architecture with Edge Processing for Future Resilient Smart Grids." Energies 16, no. 6 (2023): 2756. http://dx.doi.org/10.3390/en16062756.

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The increase in renewable energy sources (RESs) in distribution grids is a major driver for achieving green energy goals worldwide. However, RES power inverters affect power quality, increase power losses, and, in certain cases, may cause power interruptions due to harmonics, deterioration of the rate of change of frequency, and inability to rapidly react in grid faults. Today, phasor measurement units (PMUs) are the ultimate tools for real-time monitoring of distribution grids’ health, and they enable several data-driven added-value services such as fast and automated fault detection, isolati
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Vasudeva, G., and Uma B. V. "22nm FINFET Based High Gain Wide Band Differential Amplifier." International Journal of Circuits, Systems and Signal Processing 15 (February 5, 2021): 55–62. http://dx.doi.org/10.46300/9106.2021.15.7.

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Differential Amplifier is a primary building block of analog and mixed signal circuit for pre-processing and signal conditioning of analog signal. FINFET devices with high-k gate oxide at 22nm technology are predominantly used for high speed and low power complex VLSI circuits. FINFET based differential amplifiers are widely used in ADC’s and signal Processing applications due to their advantages in terms of power dissipation. Analog front end of complex VLSI circuits need to offer high gain, higher stability and low noise figure. Designing of FINFET based VLSI sub-circuits requires proper des
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Lam, Chi-Seng, Yongheng Yang, Qing Zhong, Yandong Chen, and Keng-Weng Lao. "Advanced Power Electronic Converters and Power Quality Conditioning." Journal of Electrical and Computer Engineering 2018 (November 19, 2018): 1–2. http://dx.doi.org/10.1155/2018/9701013.

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Kasicki, Stefan, Piotr Jeleń, Maciej Olszewski, and Urszula Sławińska. "Electrical hippocampal activity during danger and safety signals in classical conditioning in the rat." Acta Neurobiologiae Experimentalis 69, no. 1 (2009): 119–28. http://dx.doi.org/10.55782/ane-2009-1734.

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The effect of stimuli predicting danger (DS) and safety (SS) in Pavlovian aversive conditioning on hippocampal local field potentials (LFP) was studied in 25 partially restrained adult male rats (Long-Evans). DS lasting 5 s preceded tail-shock, while SS overlapping DS during DS last 3 s predicted omission of shock. The power spectra of LFPs during trials were analyzed in theta and delta frequency bands. In DS, theta frequency during the last 3 s was lower that in first 2 s. In danger and safety situation theta peak frequency was different for dorsal CA1 activity (5.99 Hz vs. 6.86 Hz, respectiv
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Aleksandrova, Mariya, and Dimiter Badarov. "Recent Progress in the Topologies of the Surface Acoustic Wave Sensors and the Corresponding Electronic Processing Circuits." Sensors 22, no. 13 (2022): 4917. http://dx.doi.org/10.3390/s22134917.

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In this paper, we present an overview of the latest achievements in surface acoustic wave (SAW) sensors for gas or liquid fluid, with a focus on the electrodes’ topology and signal processing, as related to the application of the sensing device. Although the progress in this field is mainly due to advances in the materials science and the sensing coatings, the interdigital (IDT) electrodes’ organization is also an important tool for setting the acoustic-wave-distribution mode, and, thus, for improvement of the SAW performance. The signal-conditioning system is of practical interest, as the imp
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Somnath A., Wankhede, Jadhav Vilas, and Tidar Anil. "Low Cost Brix Measurement System for Grapes using Arduino Uno." Journal of Control System and Control Instrumentation 9, no. 3 (2023): 14–20. http://dx.doi.org/10.46610/jocsaci.2023.v09i03.003.

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When grapes are at their peak sugar content for harvest, brix measurements play a main role in determining. Refractometers are a common instrument used to measure the content of sugar in the solution. Its main drawback is that it requires liquid or a solution of grapes or fruits and is a manual method. So, to avoid the distraction of grapes or fruits, this low-cost Arduino-based brix measurement system is designed and developed. The system contains a capacitive sensing element, signal conditioning, and signal processing. This paper exemplifies a brix computing system that uses an Arduino Uno a
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Feltrin, Glauco, Nemanja Popovic, Kallirroi Flouri, and Piotr Pietrzak. "A Wireless Sensor Network with Enhanced Power Efficiency and Embedded Strain Cycle Identification for Fatigue Monitoring of Railway Bridges." Journal of Sensors 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/4359415.

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Wireless sensor networks have been shown to be a cost-effective monitoring tool for many applications on civil structures. Strain cycle monitoring for fatigue life assessment of railway bridges, however, is still a challenge since it is data intensive and requires a reliable operation for several weeks or months. In addition, sensing with electrical resistance strain gauges is expensive in terms of energy consumption. The induced reduction of battery lifetime of sensor nodes increases the maintenance costs and reduces the competitiveness of wireless sensor networks. To overcome this drawback,
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López-Ruiz, Nuria, Pablo Escobedo, Isidoro Ruiz-García, Miguel A. Carvajal, Alberto J. Palma, and Antonio Martínez-Olmos. "Digital Optical Ballistocardiographic System for Activity, Heart Rate, and Breath Rate Determination during Sleep." Sensors 22, no. 11 (2022): 4112. http://dx.doi.org/10.3390/s22114112.

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In this work, we present a ballistocardiographic (BCG) system for the determination of heart and breath rates and activity of a user lying in bed. Our primary goal was to simplify the analog and digital processing usually required in these kinds of systems while retaining high performance. A novel sensing approach is proposed consisting of a white LED facing a digital light detector. This detector provides precise measurements of the variations of the light intensity of the incident light due to the vibrations of the bed produced by the subject’s breathing, heartbeat, or activity. Four small s
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Abdullah, Saad, Sarah Tonello, Michela Borghetti, Emilio Sardini, and Mauro Serpelloni. "Potentiostats for Protein Biosensing: Design Considerations and Analysis on Measurement Characteristics." Journal of Sensors 2019 (March 17, 2019): 1–20. http://dx.doi.org/10.1155/2019/6729329.

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The demand for the development of swift, simple, and ultrasensitive biosensors has been increasing after the introduction of innovative approaches such as bioelectronics, nanotechnology, and electrochemistry. The possibility to correlate changes in electrical parameters with the concentration of protein biomarkers in biological samples is appealing to improve sensitivity, reliability, and repeatability of the biochemical assays currently available for protein investigation. Potentiostats are the required instruments to ensure the proper cell conditioning and signal processing in accurate elect
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Kowalski, Tomasz, Gian Piero Gibiino, Jaroslaw Szewinski, Pawel Barmuta, Piotr Bartoszek, and Pier Andrea Traverso. "Design, characterisation, and digital linearisation of an ADC analogue front-end for gamma spectroscopy measurements." ACTA IMEKO 10, no. 2 (2021): 70. http://dx.doi.org/10.21014/acta_imeko.v10i2.1042.

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<p class="Abstract">This work presents the design, experimental characterisation, and digital post-distortion (i.e., digital linearisation) of a MHz-range ADC analogue front-end prototype for a gamma radiation spectrometry system under development at the National Center for Nuclear Research (NCBJ) in Poland. The design accounts for the electrical response of the gamma particle detector in providing signal conditioning and ADC protection against high-voltage spikes due to occasional high-energy cosmic radiation, as well as proper ADC clocking. As the front-end inevitably introduces nonlin
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39

Gilewski, Marian. "Micro-Electro-Mechanical Systems in Light Stabilization." Sensors 23, no. 6 (2023): 2916. http://dx.doi.org/10.3390/s23062916.

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This article discusses application considerations in the micro-electro-mechanical system’s optical sensor. Furthermore, the provided analysis is limited to application issues occurring in research or industrial applications. In particular, a case was discussed where the sensor was used as a feedback signal source. Its output signal is used to stabilize the flux of an LED lamp. Thus, the function of the sensor was the periodic measurement of the spectral flux distribution. The application problem of such a sensor is the output analogue signal conditioning. This is necessary to perform analogue-
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Crovetti, Paolo, and Francesco Musolino. "Digital Suppression of EMI-Induced Errors in a Baseband Acquisition Front-End including Off-the-Shelf, EMI-Sensitive Operational Amplifiers." Electronics 10, no. 17 (2021): 2096. http://dx.doi.org/10.3390/electronics10172096.

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In this paper, the susceptibility to Electromagnetic Interference (EMI) of an analog signal acquisition front-end (AFE) due to EMI distortion in opamp-based pre-conditioning amplifiers is addressed. More specifically, the possibility to correct EMI-induced errors in the digital domain by post-processing the acquired digital waveforms is discussed and experimentally demonstrated for the first time with reference to an AFE based on EMI-sensitive, off-the-shelf operational amplifiers mounted on a specific EMI test PCB. Extensive experimental characterization in the presence of continuous wave and
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Scheuer, D. A., J. Zhang, G. M. Toney, and S. W. Mifflin. "Temporal processing of aortic nerve evoked activity in the nucleus of the solitary tract." Journal of Neurophysiology 76, no. 6 (1996): 3750–57. http://dx.doi.org/10.1152/jn.1996.76.6.3750.

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1. Temporal processing of heterogenous afferent signals by nucleus of the solitary tract (NTS) neurons has been previously characterized. Experiments were performed in 26 pentobarbital-sodium-anesthetized male Sprague-Dawley rats to characterize the temporal processing of evoked activity in NTS neurons with the use of the aortic nerve, which contains exclusively arterial baroreceptor afferent fibers. 2. Extracellular single-cell activity was examined in the NTS during electrical stimulation of the aortic nerve with the use of a conditioning-test paradigm. 3. Results were obtained from 49 neuro
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Nowakowski, Mirosław. "Measuring and Recording Systems Used in Flight Tests of Aircraft." Solid State Phenomena 180 (November 2011): 222–31. http://dx.doi.org/10.4028/www.scientific.net/ssp.180.222.

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Flight tests and measurements are usually performed for newly built or modernised aircraft utilised by the Polish Armed Forces. In the course of flight tests the airborne equipment is also investigated. The main goal of the performed tests is to verify tactical performance and to identify technical parameters of aircraft and/or equipment under examination. The airborne experimental data is also applied to the aircraft flight dynamics modelling, subsequently used for the design and construction of a flight simulator. The equipment is usually arranged of the following components: ̶ sensors/measu
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Yuliyanto, Ignasius Eko, Tjendro Tjendro, Bernadeta Wuri Harini, and Martanto Martanto. "Input Power Measurement System For Driving Motor In Testing Low-Speed Generator." International Journal of Applied Sciences and Smart Technologies 5, no. 1 (2023): 113–32. http://dx.doi.org/10.24071/ijasst.v5i1.6339.

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Rapid technological advances are affecting the greater use of electrical energy. One of the devices that can generate electrical energy is a generator. Testing the characteristics of the generator required a drive motor to rotate the generator shaft. This research aims to create a three-phase input power measurement system for driving a motor. The method of measuring input power is by measuring the current and voltage of each phase. The power is obtained from the multiplication between current and voltage. The system consists of current sensors, voltage sensors, a signal conditioning circuit,
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Tama Birkocak, Derya, Pedro Gomes, and Helder Carvalho. "Flexible Pressure Sensors for Integration into Karate Body Protector." Sensors 23, no. 14 (2023): 6524. http://dx.doi.org/10.3390/s23146524.

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The increasing interest in karate has also attracted the attention of researchers, especially in combining the equipment used by practitioners with technology to prevent injuries, improve technical skills and provide appropriate scoring. Contrary to the sport of taekwondo, the development of a smart body protector in the sport of karate is still a niche field to be researched. This study focused on developing piezoresistive, textile-based pressure sensors using piezoresistive film, conductive fabric as well as different bonding materials and methods. Primarily, small-scale sensors were produce
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Habibi, Mehdi, Yunus Dawji, Ebrahim Ghafar-Zadeh, and Sebastian Magierowski. "Nanopore-based DNA sequencing sensors and CMOS readout approaches." Sensor Review 41, no. 3 (2021): 292–310. http://dx.doi.org/10.1108/sr-05-2020-0121.

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Purpose Nanopore-based molecular sensing and measurement, specifically DNA sequencing, is advancing at a fast pace. Some embodiments have matured from coarse particle counters to enabling full human genome assembly. This evolution has been powered not only by improvements in the sensors themselves, but also in the assisting microelectronic CMOS readout circuitry closely interfaced to them. In this light, this paper aims to review established and emerging nanopore-based sensing modalities considered for DNA sequencing and CMOS microelectronic methods currently being used. Design/methodology/app
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Shah, Rajat, Bryan P. Rasmussen, and Andrew G. Alleyne. "Application of a multivariable adaptive control strategy to automotive air conditioning systems." International Journal of Adaptive Control and Signal Processing 18, no. 2 (2004): 199–221. http://dx.doi.org/10.1002/acs.787.

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47

Xu, Zhengping, Yongtong Feng, Yi Liu, et al. "Single-Ended Eddy Current Micro-Displacement Sensor with High Precision Based on Temperature Compensation." Micromachines 15, no. 3 (2024): 366. http://dx.doi.org/10.3390/mi15030366.

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To measure the micro-displacement reliably with high precision, a single-ended eddy current sensor based on temperature compensation was studied in detail. At first, the principle of the eddy current sensor was introduced, and the manufacturing method of the probe was given. The overall design plan for the processing circuit was induced by analyzing the characteristics of the probe output signal. The variation in the probe output signal was converted to pulses with different widths, and then it was introduced to the digital phase discriminator along with a reference signal. The output from the
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Tripathi, S. K., Mohd Samar Ansari, and Amit M. Joshi. "Carbon Nanotubes-Based Digitally Programmable Current Follower." VLSI Design 2018 (January 17, 2018): 1–10. http://dx.doi.org/10.1155/2018/1080817.

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The physical constraints of ever-shrinking CMOS transistors are rapidly approaching atomistic and quantum mechanical limits. Therefore, research is now directed towards the development of nanoscale devices that could work efficiently in the sub-10 nm regime. This coupled with the fact that recent design trend for analog signal processing applications is moving towards current-mode circuits which offer lower voltage swings, higher bandwidth, and better signal linearity is the motivation for this work. A digitally controlled DVCC has been realized using CNFETs. This work exploited the CNFET’s pa
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Asiain, David, Jesús Ponce de León, and José Ramón Beltrán. "MsWH: A Multi-Sensory Hardware Platform for Capturing and Analyzing Physiological Emotional Signals." Sensors 22, no. 15 (2022): 5775. http://dx.doi.org/10.3390/s22155775.

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This paper presents a new physiological signal acquisition multi-sensory platform for emotion detection: Multi-sensor Wearable Headband (MsWH). The system is capable of recording and analyzing five different physiological signals: skin temperature, blood oxygen saturation, heart rate (and its variation), movement/position of the user (more specifically of his/her head) and electrodermal activity/bioimpedance. The measurement system is complemented by a porthole camera positioned in such a way that the viewing area remains constant. Thus, the user’s face will remain centered regardless of its p
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Peng, Shilin, Jingbiao Liu, Junhao Wu, et al. "A Low-Cost Electromagnetic Docking Guidance System for Micro Autonomous Underwater Vehicles." Sensors 19, no. 3 (2019): 682. http://dx.doi.org/10.3390/s19030682.

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As important observational platforms for the Smart Ocean concept, autonomous underwater vehicles (AUVs) that perform long-term observation in fleets are beneficial because they provide large-scale sampling data with a sufficient spatiotemporal resolution. Therefore, a large number of low-cost micro AUVs with docking capability for power recharge and data transmission are essential. This study designed a low-cost electromagnetic docking guidance (EMDG) system for micro AUVs. The EMDG system is composed of a transmitter coil located on the dock and a three-axial search coil magnetometer acting a
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