CAJ | 학술논문

为了满足研究各种细胞、组织等的电生物效应所需的高精度特殊刺激信号以及实验教学和医学仪器调试和维修等的需求，利用高性价比的32位微处理器STM32F405VG、高性能单频信号发生芯片AD9834研制了一种开放式双道医用信号仪。该仪器既能够同时输出两道高频和高位相差精度的常用信号（如三角波、方波和正弦信号）或生理信号（如心电、肌电和脉搏信号）以及特殊波形的信号，也可二者各输出一道信号，且其信号波形可以自定义。该仪器具有体积小、性能稳定、操作简便、显示直观等优点，输出信号开放且双道可广泛用于医学中电生物效应及医学其它科研、医学仪器的调试和维修等。
위료만족연구각충세포、조직등적전생물효응소수적고정도특수자격신호이급실험교학화의학의기조시화유수등적수구，이용고성개비적32위미처리기STM32F405VG、고성능단빈신호발생심편AD9834연제료일충개방식쌍도의용신호의。해의기기능구동시수출량도고빈화고위상차정도적상용신호（여삼각파、방파화정현신호）혹생리신호（여심전、기전화맥박신호）이급특수파형적신호，야가이자각수출일도신호，차기신호파형가이자정의。해의기구유체적소、성능은정、조작간편、현시직관등우점，수출신호개방차쌍도가엄범용우의학중전생물효응급의학기타과연、의학의기적조시화유수등。
To meet requirements of the high precision special stimulating signals for researching electricity biological effects of cells ,tissues and so on ,and other medicinal study ,experiment teaching and medical instrument maintenance ,a opening -style and double -channel medical signal generator ,which takes the monolithic microcomputer STM32F405VG and the high performance monofrequent signal chip AD 9834 as the core ,is realized .This instrument can simultaneously output two physiological and special waveform signals ,such as electrocardiosignal ,electromyo signal ,pulse wave signal ,or produce the high -frequency precision and phase difference precision commonly signals ,which include triangular wave ,square -wave and sine ones ,or together the physiology or special waveform signal and the commonly signal .The results show that it has many merits ,such as the small volume ,the stable property ,the simple operation ,visual display and so on .In addition ,its signal waveform can be customized .On the whole ,this generator can be widely used in electricity biological effects and other medical research ,adjustment and maintaining of medical instrument and so on .