Intelligent Closed-Loop Fluxgate Current Sensor Using Digital Proportional-Integral-Derivative Control with Single-Neuron Pre-Optimization Novel Low-Speed Measuring Method Based on Sine and Square Wave Signals Optimization of the Processing Time of Cross-Correlation Spectra for Frequency Measurements of Noisy Signals A Fine Modified Calculation Model with Experimental Verification for the Holding Force of the Permanent Magnet Frequency Measurement Method of Signals with Low Signal-to-Noise-Ratio Using Cross-Correlation Rotational speed measurement using self-mixing interferometry A novel algorithm for laser self-mixing sensors used with the Kalman filter to measure displacement Self-mixing interferometry for rotational speed measurement of servo drives A new complementary symmetrical structure of using dual magnetic cores for open loop Hall-Effect current sensors Optical Reflective Gear Tooth Sensor with Application to Rotational Speed Measurements A Novel Method for Measuring Current Derivative Signal with Closed Loop Hall-Effect Current Sensor A Rotational Speed Measuring and Calibration System based on Laser Doppler Velocimetry Investigation of the thermal drift of open-loop Hall Effect current sensor and its improvement Rotational Speed Direction Detection Based on the Output Duty Cycle of a Differential Hall Effect Gear Tooth Sensor Simulation and Optimization of Conductor Structural Parameters of Free-space Hall-Effect Current Sensor Offset Error reduction in Open Loop Hall Effect Current Sensors Powered with Single Voltage Source A Novel Method of Zero Offset Reduction in Hall Effect Sensors with Applications to Magnetic Field Measurement Error Correction of Automatic Testing Systems for Hall Effect Current Sensors Design of Hall Effect Gear Tooth Speed Sensors by Using Magnetic Field Simulation Error Compensation of Closed Loop Hall Effect Current Sensors Parameter Optimization of Hall Effect Gear Tooth Speed Sensors Split Core Closed Loop Hall Effect Current Sensors and Applications Mathematical Models of Gear Tooth Speed Sensors with Dual Outputs Accuracy Improvement in Computer Controlled Measuring and Test Systems Frequency-selective Adaptive Filtering for Noise Suppression of Discrete Signals Inductive eddy current sensors for force and stress measurement Inductive eddy current sensors for displacement measurement Fiber optic Bragg-grating sensors Capacitive Sensors for Small Displacement Measurement and Positioning Self-calibration measuring methods Precise impedance measurement Measuring and testing system of length and position transducers Self-correction algorithms Frequency selective-adaptive filtering technique Precise Fourier-analysis Precise parameter determination of damped oscillation signals