Results 21 to 30 of about 2,624,655 (295)
Testing SNe Ia distance measurement methods with SN 2011fe [PDF]
, 2012 The nearby, bright, almost completely unreddened Type Ia supernova 2011fe in M101 provides a unique opportunity to test both the precision and the accuracy of the extragalactic distances derived from SNe Ia light curve fitters.
A. Farkas +53 more
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Distance Measurement of a Frequency-Shifted Sub-Terahertz Wave Source
Photonics, 2022 In this paper, we report the development of a frequency-shifted (FS) terahertz (THz) wave source for the non-destructive inspection of buildings. Currently, terahertz-time domain spectroscopy (THz-TDS) is the mainstream method for non-destructive ...
Minoru Honjo +3 more
doaj +1 more source
Development of a novel wearable system for real-time measurement of the inter-foot distance during gait [PDF]
, 2017 The combination of magneto-inertial measurement unit (MIMU) and distance sensor (DS) represents smart solution for evaluating the distance between feet during various daily-life activities. In particular, when analyzing gait, the latter technology can be
Bertuletti, Stefano +2 more
core +1 more source
A frequency offset compensation method based on all phase FFT amplitude
物联网学报, 2022 Distance measurement is an important part of the wireless location technology.The ranging accuracy of millimeter wave based distance measurement depends on the frequency estimation accuracy of beat signals from the targets, but the existing frequency ...
Yingjie ZHU +3 more
doaj
ACTIVE CONTOUR MODEL USING FRACTIONAL SYNC WAVE FUNCTION FOR MEDICAL IMAGE SEGMENTATION
Asia-Pacific Journal of Information Technology and Multimedia, 2016 Intensity inhomogeneity occurs when pixels in medical images overlap due to anomalies in medical imaging devices. These anomalies lead to difficult medical image segmentation.
Norshaliza Kamaruddin
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Soliton Microcomb Range Measurement [PDF]
, 2017 Laser-based range measurement systems (LIDAR) are important in many application areas including autonomous vehicles, robotics, manufacturing, formation-flying of satellites, and basic science.
Suh, Myoung-Gyun, Vahala, Kerry
core +2 more sources
Sensors, 2021 Transimpedance amplifiers (TIA) are widely used for front-end signal conditioning in many optical distance measuring applications in which high accuracy is often required.
Francisco Javier Meca Meca +3 more
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An Ultrasonic Sensor for Distance Measurement in Automotive Applications [PDF]
, 2001 This paper describes an ultrasonic sensor that is able to measure the distance from the ground of selected points of a motor vehicle. The sensor is based on the measurement of the time of flight of an ultrasonic pulse, which is reflected by the ground. A
Carullo, Alessio, Parvis, Marco
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Recent Trends on a Precision Dimensional Sensor Using Optical Modulation Techniques [PDF]
한국정밀공학회지, 2021 Optical dimensional metrology has playing a long-term key role from high-precision engineering to large-scale industrial manufacturing. Various methods of optical dimensional metrology have been proposed and demonstrated to respond to the ever-growing ...
Yoon-Soo Jang, Jungjae Park, Jonghan Jin
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