Digital signal processor (DSP) was adopted to design portable rotating air blower fault diagnosis instrument, and the system hardware structure and the software designing ideas were expounded.

以数字信号处理器DSP研制便携式旋转风机故障诊断分析仪，并详细阐述了系统的硬件结构以及软件设计思想。

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Through the experiment to the in-situ production environment, the reasons for pressure fluctuation of instrument air drying system was found out, and effective preventive solutions were proposed.

通过对现场生产环境的试验，找出了仪表空气干燥系统压力波动的原因，提出了有效的解决、预防措施。

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In this paper, the liquid level measurement of sealed air-condition compressor is introduced and an ultrasonic testing system based on virtual instrument is developed.

文章介绍了对封闭式空调压缩机的液位测量，研发了基于虚拟仪器技术的超声波检测系统。

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Still, the American air force has shown interest in them, as a subsidiary instrument-control system for pilots.

ECONOMIST: Neurology