Improvement in QEPAS system utilizing a second harmonic based wavelength calibration technique
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.01.030
Abstract: Abstract A simple laser wavelength calibration technique, based on second harmonic signal, is demonstrated in this paper to improve the performance of quartz enhanced photoacoustic spectroscopy (QEPAS) gas sensing system, e.g. improving the signal to… read more here.
Keywords: technique; wavelength calibration; system; calibration technique ... See more keywords
Digital background calibration technique for pipelined SAR ADCs with detect‐and‐switching algorithm
Sign Up to like & getrecommendations! Published in 2020 at "Electronics Letters"
DOI: 10.1049/el.2020.0320
Abstract: A digital background calibration technique for pipelined successive approximation register (SAR) analogue-to-digital converters (ADCs) with detect-and-switching (DAS) algorithm is proposed. The DAS algorithm exploits basic combinational logic to detect the first-stage conversion results, thereby determining… read more here.
Keywords: adcs detect; calibration technique; calibration; technique pipelined ... See more keywords
Background timing mismatch calibration technique for TIADC in Nyquist frequency band
Sign Up to like & getrecommendations! Published in 2020 at "Electronics Letters"
DOI: 10.1049/el.2020.0425
Abstract: A background calibration technique for time-interleaved analogue-to-digital converter (TIADC) over Sub-Nyquist frequency timing mismatch is proposed. When the input signal only satisfies the Nyquist sampling theorem of the overall TIADC rather than sub-ADC, both directions… read more here.
Keywords: timing mismatch; calibration; nyquist frequency; calibration technique ... See more keywords
Hybrid Dynamic Radioactive Particle Tracking (RPT) Calibration Technique for Multiphase Flow Systems
Sign Up to like & getrecommendations! Published in 2017 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/aa5c27
Abstract: The radioactive particle tracking (RPT) technique has been utilized to measure three-dimensional hydrodynamic parameters for multiphase flow systems. An analytical solution to the inverse problem of the RPT technique, i.e. finding the instantaneous tracer positions… read more here.
Keywords: rpt calibration; tracer particle; calibration; calibration technique ... See more keywords
An Improved Calibration Technique for Polarization Images
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2900538
Abstract: Polarization imaging can be used to improve the image quality by reducing the effects of the unwanted light reflection, enhancing the quality of images taken in non-ideal conditions, such as foggy weather, or reconstructing the… read more here.
Keywords: calibration; technique polarization; polarization images; calibration technique ... See more keywords
A Compensation and Calibration Technique for Lumped Hybrid Couplers in Integrated Image-Reject Architectures
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3221161
Abstract: This paper presents a compensation and calibration technique for lumped-element Lange hybrid couplers. The target of the compensation is the reduction of the quadrature error introduced by lossy reactive components. An approximated, but reasonably accurate,… read more here.
Keywords: technique lumped; compensation calibration; calibration technique; technique ... See more keywords
A 16b 120MS/s Pipelined ADC Using an Auxiliary-Capacitor-Based Calibration Technique Achieving 90.5dB SFDR in 0.18 μm CMOS
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2021.3109144
Abstract: A 16-bit 120 MS/s sample-hold-amplifier-less(SHA-less) pipelined analog-to-digital converter (ADC) with an on-chip calibration technique in a $0.18~\mu \text{m}$ CMOS process is presented. A switched capacitor circuit with an auxiliary unit capacitor in the multiplying-digital-to-analog converter… read more here.
Keywords: capacitor based; capacitor; calibration; calibration technique ... See more keywords
Homogeneity Enforced Calibration of Stage Nonidealities for Pipelined ADCs
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3227441
Abstract: Pipelined analog-to-digital converters (ADCs) are fundamental components of various signal processing systems requiring high sampling rates and a high linearity. Over the past years, calibration techniques have been intensively investigated to increase the linearity. In… read more here.
Keywords: calibration technique; calibration stage; calibration; homogeneity enforced ... See more keywords
A New Calibration Technique for Thin-Film Gauges and Coaxial Thermocouples Used to Measure the Transient Heat Flux
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3132064
Abstract: A new calibration technique, in which the thermal product and thermoelectric coefficient are treated as one integrated coefficient, is applied to calibrate thin-film gauges (TFGs) and coaxial thermocouples (CTs) for a reliable and accurate measurement… read more here.
Keywords: new calibration; calibration technique; heat flux; calibration ... See more keywords
A RAPID SEISMIC DATA CALIBRATION TECHNIQUE USING INTEGRATED MEMS INERTIAL SENSOR GROUPS FOR A THREE-COMPONENT VSP
Sign Up to like & getrecommendations! Published in 2017 at "Geophysics"
DOI: 10.1190/geo2016-0218.1
Abstract: Calibration of 3C VSP data is an exciting challenge because the orientation of the tool is random when only seismic data is considered. In this work we augment the sensor package on the VSP tool… read more here.
Keywords: technique; mems inertial; vsp; calibration technique ... See more keywords
Self-Calibration Technique with Lightweight Algorithm for Thermal Drift Compensation in MEMS Accelerometers
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13040584
Abstract: Capacitive MEMS accelerometers have a high thermal sensitivity that drifts the output when subjected to changes in temperature. To improve their performance in applications with thermal variations, it is necessary to compensate for these effects.… read more here.
Keywords: calibration; calibration technique; drift; lightweight algorithm ... See more keywords