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Background While most people living with HIV who are incarcerated in United States receive appropriate HIV care while they are in prison, interruptions in antiretroviral therapy and virologic failure are extremely common after they are released. The purpose of this study was to describe whether and how HIV stigma influences continuity of care for people living with HIV while they transition from prison...
The timing monitoring and control system is a key component for satellite navigation systems. Based on a current clock monitoring and control design, a composite clock concept for clock generation is introduced. In addition to the basic clock correction algorithms in a clock ensemble, also failure scenarios need to be detected and corrective action has to be implemented. With two alternative clock...
GPS is successfully used for spacecraft navigation in low Earth orbits. This paper investigates the feasibility of Global Navigation Satellite System (GNSS) receivers for spacecraft navigation in GEO, GTO, and higher orbits. The study is based on the experience gained at EADS Astrium from developing GNSS receivers for satellites as well as the requirements and feedback from satellite manufacturers...
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