RESUMO
OBJECTIVE: To develop a software system that can gather, manage and transmit signals of electrocardiograms, respiration, body temperature and blood pressure at real time, in order to monitor physiological signals of astronauts. METHOD: Based on single-chip microprocessor, software system completed the A/D conversion, real-time signal processing, storage and transmission. RESULT: The software system realized data acquisition of electrocardiogram, respiration, body temperature and blood pressure, as well as heart rate extraction from electrocardiogram, storage of physiological data, and transmission of physiological parameters to spacecraft. CONCLUSION: The software system could meet the needs of medical monitoring during manned spaceflight.
Assuntos
Medicina Aeroespacial/instrumentação , Monitorização Fisiológica/instrumentação , Processamento de Sinais Assistido por Computador , Software , Voo Espacial/instrumentação , Astronautas , Determinação da Pressão Arterial , Temperatura Corporal , Eletrocardiografia , Eletrofisiologia , Desenho de Equipamento , Frequência Cardíaca , Humanos , Microcomputadores , Fenômenos Fisiológicos RespiratóriosRESUMO
Objective. To introduce the usage of CY7C09449 in the interface between DSP and the PCI bus. Method. The function of a system using CY7C09449 was introduced. Result. The data transmission between PCI bus and DSP was realized. It is proved that the maximum data rate reaches 65Mb/s. Conclusion. It is showed convenient to realize the connection to DSP with CY7C09449 [correction of EY7C09449] and the peripheral circuits is simple.
