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Calibration of active arrays using signals of opportunity

IEE Seminar on Calibration of Active Phased Array Antennas, 2005
The advantages of active phased array radars could be made available to a much wider range of radars than is possible at present, if the arrays could be made cheaper. The work described here has been studying how arrays may be calibrated using targets in the radar's environment can be used for calibration or astronomical sources, such as the sun.
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Signals of Opportunity Navigation Using LTE Downlink Signals

2022 IEEE 22nd International Conference on Communication Technology (ICCT), 2022
Yiteng Wang   +3 more
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Recursive Range Estimation Using Astrophysical Signals of Opportunity

Journal of Guidance, Control, and Dynamics, 2017
An estimator for determining the range of a space vehicle relative to some origin by using astrophysical signals of opportunity is developed. The signals used are x-ray photons emitted by pulsars.
Joel T. Runnels, Demoz Gebre-Egziabher
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MULTIPLE SIGNALS OF OPPORTUNITY FOR LAND REMOTE SENSING

2023
Multiple Signals of Opportunity (multi-SoOp) across different frequencies and polarizations offer a potential breakthrough for remote sensing of root-zone soil moisture (RZSM). Deeper penetration depths of existing communication transmissions in the frequency ranges of 137–138, 240–270, and 360–380 MHz enable the estimation of RZSM by complementing ...
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Data Communication Signals of Opportunity for Navigation

2017
Mobile devices with wireless networking capabilities are used in a wide range of environments. Geolocation information increases the value of the data generated by a device and is vital in the development of a wide range of applications from autonomous vehicles to the Internet of things.
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Evaluation of 2.4GHz Signal of Opportunity Localization

2023 IEEE 6th International Conference on Electronic Information and Communication Technology (ICEICT), 2023
Jing Ji   +5 more
openaire   +1 more source

SignalP 6.0 predicts all five types of signal peptides using protein language models

Nature Biotechnology, 2022
Felix Teufel   +2 more
exaly  

Remote Sensing of the water cycle using Signals of Opportunity: challenges and opportunities

2022
James Garrison   +6 more
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Doppler Positioning Based on Globalstar Signals of Opportunity

2023 5th International Conference on Electronic Engineering and Informatics (EEI), 2023
Yu Zhang, Honglei Qin, Guangting Shi
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Buoys as Maritime Signals of Opportunity

ION Pacific PNT
Daniel F. Sturdivant, Scott M. Martin
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