Quadrature Demodulation Method for Resolver Signal Processing Under Different Sampling Rate
IEEE Access, 2022 Resolvers are widely used as position sensors to obtain angle information. The resolver requires the excitation signal and its amplitude is modulated by the rotor position.
Pooreum Jang +3 more
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Demodulation of intensity and shot noise in the optical heterodyne detection of laser interferometers for gravitational waves [PDF]
, 2001 Demodulation of intensity noise in the optical heterodyne detector is analyzed for application in interferometric gravitational-wave detectors. The correlation function and the power spectral density of the demodulated intensity noise are derived, taking
Rakhmanov, Malik
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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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Error-bound formulation for multichannel reception of M-DPSK and pilot-aided M-PSK over Rayleigh-fading channels with postdetection combining [PDF]
, 2004 Upper bounds for symbol-error probability are developed for multichannel reception of M-ary phase-shift keying (M-PSK) over frequency-flat Rayleigh-fading channels.
Chow, YC, McGeehan, JP
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Gradient Estimator-based Amplitude Estimation for Dynamic Mode Atomic Force Microscopy: Small-Signal Modelling and Tuning:Small-signal modeling and tuning [PDF]
, 2020 Atomic force microscopy (AFM) plays an important role in nanoscale imaging application. AFM works by oscillating a microcantilever on the surface of the sample being scanned.
Ahmed, Hafiz, Benbouzid, Mohamed
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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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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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