【摘要】 在电磁场对低温下生物生态影响的机理研究中,有效地控制生物样品的降温及复温速度是至关重要的。介绍了开发的基于LabVIEW软件平台的温度测控系统,包括其硬件组成和软件实现。该系统精度高、可靠性好,并具有测试及控制参数设置、数据采集与处理、数据及曲线显示、信号分析与处理、数据保存等多种功能,完全能满足低温试验中对降温及复温速率控制精度的要求,并具有可移植性及续开发能力。更多还原

【Abstract】 In the research of the mechanism of life-form state affected by electromagnetic field in low temperature,it is very necessary to control the change speed of temperature when the sample is freezing.A system of measurement and control based on LabVIEW used in experiment was introduced,including the hardware build-up and software realization.The system is of high precision and dependability,and it is a multiple function system,including measurement and control parameter setting,data acquisition and processing,data and chart and graph displaying,signal processing and analyzing,data saving and so on.It can meet the need of the precision request in controlling the temperature changing speed.Also it can be applied in other related experiments and developed further.更多还原