Results 21 to 30 of about 8,286 (160)
A Lossy Capacitance Measurement Circuit Based on Analog Lock-in Detection
Elektronika ir Elektrotechnika, 2020 This paper presents a lossy capacitance measuring circuit which is based on analog lock-in detection technique. Lossy capacitance can be modelled as a pure capacitor connected in parallel with a resistor.
Mehmet Demirtas +2 more
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Summary of Research on High Precision Fiber Grating Wavelength Demodulation Method
Guangtongxin yanjiu, 2021 The fiber Bragg grating sensor measures the value according to the wavelength variation. Therefore, it is of great significance to improve the wavelength demodulation accuracy of the fiber grating.
Guo-zhen YAO +3 more
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Mobile Molecular Communication Through Multiple Measurements of the Concentration of Molecules
IEEE Access, 2020 Multiple measurements of the concentration of molecules serve as a useful technique to enable bio-nanomachines to reliably extract information encoded in the concentration of molecules.
Yutaka Okaie, Tadashi Nakano
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Study on defect type in eddy-current testing based on phase spectrum analysis
The Journal of Engineering, 2019 This article proposes the use of phase angle gradient as a feature to detect and classify different types of defects. Based on the principle of eddy-current testing (ECT), the ECT platform was designed and manufactured.
Ronghua Zhang, Song Ye
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Waveform diversity design for an MIMO SAR system based on an OFDM chirp
The Journal of Engineering, 2019 Multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) waveform diversity design has drawn extensive attention since it has a great potential in remote sensing.
Yujiu Zhao +4 more
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Dynamic Phase Demodulation Algorithm for Phase-Sensitive OTDR With Direct Detection
IEEE Access, 2020 A dynamic phase demodulation algorithm for direct detection Φ-OTDR is proposed and experimentally demonstrated. It offers a way for single channel direct detection Φ-OTDR, which is the simplest and most cost-effective structure, to realize ...
Yi Shi +4 more
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AIP Advances, 2022 Fiber optic Fabry–Pérot sensors have been widely developed with unique advantages, such as ease of reuse, resistance to electromagnetic interference, light weight, and their ability to work in extreme environments.
Fei Feng +3 more
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Electrical Impedance Tomography for Biomedical Applications: Circuits and Systems Review
IEEE Open Journal of Circuits and Systems, 2021 There has been considerable interest in electrical impedance tomography (EIT) to provide low-cost, radiation-free, real-time and wearable means for physiological status monitoring.
Yu Wu +4 more
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Complex-Valued Neural Networks for Noncoherent Demodulation
IEEE Open Journal of the Communications Society, 2020 Noncoherent demodulation is an attractive choice for many wireless communication systems. It requires minimal protocol overhead for carrier synchronization, and it is robust to radio impairments commonly found in low-cost transceivers.
Paul E. Gorday +2 more
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Refractometric Properties of a TFBG Sensor Demodulated Using α-Shape Modified Delaunay Triangulation
Optics, 2021 In our previous research, a novel demodulation technique based on α-shape Delaunay triangulation (D-T) was developed to obtain the refractive index of the medium surrounding the optical fibre using the envelope of the cladding peaks from the spectrum of ...
Luigi Fazzi, Roger M. Groves
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