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1. Comparative Study of Microwave Relative Phase Measurement Methods NSTL国家科技图书文献中心

El-Aziz, Dina A. Abd |  Attiya, Ahmed M.... -  《Mapan》 - 2025,40(1) - 253～272 - 共20页

摘要： a dual-channel phase-shift measurement system from |  (RF) microwave phase measurement techniques have |  generated significant interest. Accurate phase measurement | . High-precision phase measurement methods are crucial |  microwave relative phase measurement techniques based on
关键词： Microwave phase measurement |  Uncertainty |  Device under Test |  Phase Shifter
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2. Temperature Measurement Based on Phase-OFDR With a Narrow Frequency Scanning Range NSTL国家科技图书文献中心

Lei Cao |  Jiajun Wu... -  《Journal of Lightwave Technology》 - 2025,43(2) - 894～901 - 共8页

摘要： dispersion and phase measurement. Temperature measurements |  resolution. In such systems, a large measurement range |  limits the measurement length. To address this |  are achieved by using the biaxial phase method and |  the phase translation method based on panda
关键词： Temperature measurement |  Temperature sensors |  Optical fiber sensors |  Temperature distribution |  Phase measurement |  Measurement by laser beam |  Spatial resolution
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3. SLBL-PU: Shadow-Based Layer-By-Layer Phase Unwrapping for Efficient 3D Measurement NSTL国家科技图书文献中心

Ruiming Yu |  Hongshan Yu... -  《IEEE transactions on computational imaging》 - 2025,11 - 452～467 - 共16页

摘要：Phase-shifting (PS) based structured light |  patterns, imposing constraints on the measurement space | , or embedding additional signals for phase |  shadow-based, layer-by-layer phase unwrapping (SLBL-PU | ) method, which enables absolute phase recovery for deep
关键词： Three-dimensional displays |  Phase measurement |  Encoding |  Multiplexing |  Imaging |  Phase modulation |  Image reconstruction |  Accuracy |  Cameras |  Technological innovation
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4. Phase Current Reconstruction and Suppression in a Single Current Sensor Measurement-Based Four-Phase SRM-Integrated Drive System NSTL国家科技图书文献中心

Cai, Jun |  Liu, Zeyuan... -  《IEEE Transactions on Instrumentation and Measurement》 - 2025,74(Pt.1) - 1502309.1～1502309.9 - 共9页

摘要： sensor measurement-based four-phase switched reluctance | . Based on the current measurement characteristics of |  this drive system, the phase current reconstruction | -phase current should be obtained from the only |  effects exist. For the first issue, a four-phase current
关键词： Current measurement |  Demagnetization |  Topology |  Phase measurement |  Power measurement |  Electronic mail |  Accuracy |  Torque |  Switched reluctance motors |  Reconstruction algorithms...
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5. Sparse Phase Retrieval for Phaseless Fourier Measurement Based on Riemannian Optimization NSTL国家科技图书文献中心

Xiaodong Li |  Ning Fu... -  《IEEE signal processing letters》 - 2025,32 - 1006～1010 - 共5页

摘要： phase in numerous scenarios, Phase Retrieval (PR)the |  phase often renders prior knowledge about the signal |  structural properties of the measurement. Then, an | Given the inherent challenges of measuring |  task of reconstructing the original signal from
关键词： Manifolds |  Phase measurement |  Optimization |  Signal processing algorithms |  Vectors |  Approximation algorithms |  Aerospace electronics |  Iterative methods |  Frequency measurement |  X-ray lasers
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6. An Efficient Measurement Technique Incorporating an Impedimetric Sensor Inside a Phase-Shift-Oscillator Loop NSTL国家科技图书文献中心

Biswas, Suman |  Nath, Subhayan... -  《IEEE Transactions on Instrumentation and Measurement》 - 2025,74(Pt.1) - 2004009.1～2004009.9 - 共9页

摘要： impedimetric oscillator for measuring the phase change of |  relative phase of the sensor pair. Furthermore, by |  circuit is capable of measuring the absolute phase angle | In this work, we propose a circuit named as |  impedimetric sensors. Architecturally, a sensor pair is
关键词： Oscillators |  Sensors |  Impedance |  Transfer functions |  Impedance measurement |  Phase shifters |  Phase measurement |  Loading |  Chemical sensors |  Band-pass filters...
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7. ITER Density Interferometer Polarimeter: theoretical estimation of temperature, pressure and humidity variation effect on phase measurement and correction strategy NSTL国家科技图书文献中心

Bagnato, F. |  Sirinelli, A.... -  《Journal of instrumentation》 - 2025,20(3) - 共7页

摘要：), eventually affecting phase measurements, is here described. | A phase-modulated dispersion interferometer |  jump errors. Phase-modulation is performed using a |  combined with a polarimeter is currently being designed |  in ITER. This diagnostic, called DIP (Density
关键词： Plasma diagnostics- interferometry, spectroscopy and imaging |  Nuclear instruments and methods for hot plasma diagnostics
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8. Texture and Crosstalk-Insensitive Orthogonal Self-Equalizing Color Fringe Phase-Shift Method for Fast and High-Precision 3-D Measurement NSTL国家科技图书文献中心

Hu, Junwei |  Jiang, Yucheng... -  《IEEE Transactions on Instrumentation and Measurement》 - 2025,74(Pt.1) - 9502512.1～9502512.12 - 共12页

摘要：Phase-shifting profilometry (PSP) is | -based PSP ensures high measurement accuracy, it |  robustness. To promote both measurement accuracy and |  conventional three-step grayscale PSP, most measurement |  algorithm, measurement errors do not exceed those of the
关键词： Crosstalk |  Image color analysis |  Phase measurement |  Accuracy |  Cameras |  Weight measurement |  Shape measurement |  Robustness |  Numerical analysis |  Heuristic algorithms...
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9. Ultrasonic wind vector measurement based on quadratic correlation two-frequency phase method NSTL国家科技图书文献中心

Shan, Zebiao |  Han, Mingxuan... -  《ISA Transactions》 - 2025,156 - 725～732 - 共8页

摘要： low measurement accuracy associated with the phase |  correlation phase method to address limited range issues and |  method combined with the four-step phase shift method |  to estimate the phase difference based on wind | . Then, the two-frequency phase difference method
关键词： Ultrasonic wind measurement |  Phase method |  Quadratic correlation |  Two-frequency
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10. Real-Time High-Accuracy 3-D Measurement System for Complex Scenes Using Cross-Projected Gray-Coded and Phase-Shifting Patterns NSTL国家科技图书文献中心

Yu, Jie |  Mai, Songping... -  《IEEE sensors journal》 - 2025,25(1) - 1398～1408 - 共11页

摘要：The structured-light 3-D measurement |  technology, which combines phase shift and gray code, is |  widely adopted in industrial measurement and quality |  phase unwrapping, robustness, and suitability for |  high-accuracy measurement results for complex scenes
关键词： Three-dimensional displays |  Accuracy |  Real-time systems |  Phase measurement |  Cameras |  Speckle |  Point cloud compression |  Standards |  Motion measurement |  Dynamics...
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