Results 1 to 10 of about 648,067 (260)
Location Accuracy of INS/Gravity-Integrated Navigation System on the Basis of Ocean Experiment and Simulation [PDF]
Sensors, 2017 An experiment comparing the location accuracy of gravity matching-aided navigation in the ocean and simulation is very important to evaluate the feasibility and the performance of an INS/gravity-integrated navigation system (IGNS) in underwater ...
Hubiao Wang +4 more
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Remote Sensing, 2022 Very low frequency (VLF) electromagnetic waves distort along the long propagation path, and that causes the arrival time of the signals measured by the long-range lightning system to be delayed.
Junchao Zhang +9 more
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Influence of Neighborhood Size and Cross-Correlation Peak-Fitting Method on Location Accuracy [PDF]
Sensors, 2020 A known technique to obtain subpixel resolution by using object tracking through cross-correlation consists of interpolating the obtained correlation function and then refining peak location.
María-Baralida Tomás +2 more
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DuctiLoc: Energy-Efficient Location Sampling With Configurable Accuracy
IEEE Access, 2023 Mobile device tracking technologies based on various positioning systems have made location data collection ubiquitous. The frequency at which location samples are recorded varies across applications, yet it is usually pre-defined and fixed, resulting in
Panagiota Katsikouli +4 more
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Systematic Errors and Location Accuracy in Wireless Networks [PDF]
EURASIP Journal on Advances in Signal Processing, 2006 Wireless systems already provide time delay and signal strength measurements and the future may see antenna arrays that provide directional information. All these may be used for positioning.
Saarnisaari Harri, Bräysy Timo
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A strategy to balance location privacy and positioning accuracy.
PLoS ONEIn privacy protection methods based on location services, constructing anonymous areas using location information shared by collaborative users is the main method.
Li He, Junqing Liu, Peiyao Du
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A GPS water vapour tomography method based on a genetic algorithm [PDF]
Atmospheric Measurement Techniques, 2020 Water vapour is an important substituent of the atmosphere but its spatial and temporal distribution is difficult to detect. Global Positioning System (GPS) water vapour tomography, which can sense three-dimensional water vapour distribution, has been ...
F. Yang +12 more
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Research on edge detection algorithm based on improved sobel operator [PDF]
MATEC Web of Conferences, 2020 In order to solve the shortcomings of traditional Sobel edge detection operator, such as low accuracy of image edge location and rough edge extracted, an improved edge detection algorithm based on Sobel operator is proposed. Firstly, in the aspect of the
Han Lili, Tian Yimin, Qi Qianhui
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Frontiers in Environmental Science, 2023 Detecting the distance and orientation of long-distance thunderstorms has very important practical significance. The multi-station lightning location system relies on a high-precision time module and good network communication capabilities, but in some ...
Jiahao Zhou +6 more
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应用气象学报, 2022 Artificially triggered lightning refers to the lightning that is artificially triggered to the ground under appropriate thunderstorm conditions. The location of artificially triggered lightning can be determined; the occurring time can be precisely ...
Zhang Yue +9 more
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