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Multilateration-based needle tracking with 3D ultrasound imaging for guiding minimally invasive procedures. [PDF]

open access: yesPhys Med Biol
Liang W   +7 more
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Rapid cross-sectional impact assessment of an earthquake on the continuity of antenatal care for pregnant women living with hepatitis B in Vanuatu. [PDF]

open access: yesDialogues Health
Bell L   +16 more
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Pulsar navigation using time of arrival (TOA) and time differential TOA (TDTOA)

Acta Astronautica, 2018
Abstract Pulsar navigation is a novel autonomous navigation method for deep-space missions. The pulsar navigation method using the time of arrival (TOA) determines the absolute position of the spacecraft. However, its accuracy is greatly affected by system errors, including the ephemeris error of the pulsar and the satellite-borne clock error.
Jiancheng Fang, Gui Mingzhen
exaly   +2 more sources

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