三维水箱测量系统是医用直线加速器和X刀的质量保证(QA)和质量控制(QC)重要仪器[1].为了提高三维水箱测量系统的测量精度和稳定性,保证放射性治疗过程的安全性和可靠性,介绍了一套运用虚拟仪器技术研制的应用在三维水箱测量系统中的实时的三维运动控制系统,描述了系统的整体结构和软件设计.%3D water tank radiation beam scanning system is the important quality assurance and quality control instrumentation of medical linear accelerator and X - knife. In the paper,it introduces a set of real - time 3D movement control system, which applied virtual instrument technology in 3D water tank radiation beam scanning system, in order to improve the measurement accuracy and stability and ensure the safety and dependability of radiotherapy. It described the extensional organization and software design of this system.
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