Virtual Instrument Collection phonocardiogram source code, is based on the computer sound card, which determined the sound signal and spectrum analysis.
心音采集的虚拟仪器源代码，是基于计算机声卡的，里面有心音信号和频谱分析等。
Virtual instrument is a new concept measurement and control platform based on computer technology.
虚拟仪器是建立在计算机技术基础之上的新概念测量与控制平台。
The mechanism of Single Chip Machine (SCM) intellectual instrument, multi-user ammeter based on computer control theory is expounded.
阐述了利用计算机控制原理开发的单片机智能仪表“多用户电能表”的原理。
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