基于通用串行总线的高速脉搏信号检测系统.pdf

中国组织工程研究与临床康复勇争，2眷第了9焉咿2008—09—23出版 Rehabilitativelissne Research Journa／ofClinical Engineering September23，2008V01．12．No．39 定7乏厌绉床医学 基于通用串行总线的高速脉搏信号检测系统冰水☆ 陈晓 Universalserialbus·-based signal high-·speedpulse detectingsystem ChenXiao Abstract：Anuniversalserial real-time is hardware busCOSB)-based detecting developed．The high—speed pulsesignal system and黜硝 softwareofthe is sensorisused applica60n systempresented．Theintegratedpolyvinylidenedifluoride(PVDnpiezoelectricpulse Information beobtai． 山e a削llo岫w妇ed 一ph i云磊二赢 o幻nl黠yaf叫terpp．岫asspin芝95th¨r01嚣ughl5th硝ee％nl麓arge蒯men邮tca。n怒叭reg：mulaZrp岫ulse。警promfile5b咖eto僦n‘eBd薯T卸he5。in慧a函s鲫eam¨p—lifie叮rcwir诎cuit’is纛i獬蠹∥ usedto theweak fromthesensor．The isconverted signal digitalsignal system-on。chip magnify magnifiedpulsesignal pulse through 黑!竺粤g“．N柚jing C8051 FI30．The isdeliveredto underUSBinterface single-chipmicrocomputer digitalizedpulsesignal personalcomputer protoc01．淼焉溢I：．；cic瞬 The isthen and software．This for signal pulsesignal shown，recorded，savedprocessedthrouIghcomputer inspectingsystempulse a．n．dT．echnol…ogy…, asitss[xuctureis works and low valueanditcanalso has steadily cost,high manyadvantages，such simple，it reliably,its application ：嬲Pr=嚣’ realizecollectionand of