基于LabVIEW的电荷放大器自动检定软件设计

摘要

依据JJG 338-2013《电荷放大器检定规程》的要求,提出了电荷放大器自动检定硬件系统方案,基于LabVIEW设计了电荷放大器自动检定软件,实现了电荷放大器归一化误差、增益误差、幅频特性、相频特性等项目的自动检定,提高了电荷放大器的检定效率.通过实验对软件进行验证,证明了自动检定软件的可靠性和准确性.通过设计本软件,为航天航空领域中振动、冲击等非电量测量提供更好的计量保障.%According to JJG 338-2013 charge amplifier verification regulation,the paper puts forward a hardware system project for automatic verification.The paper also designs the software to realize the automatic verification of transducer sensitivity range,amplifier gain,amplitude-frequency characteristic and phase-frequency characteristic,improving the charge amplifier verification efficiency.The test proves the reliability and veracity of the automatic verification software.The software provides much better metrology support for the measurement of vibration and shock in spaceflight and aero aviation.