Digital control, in which software replaces analog and digital instruments, can increase the integration of the product, promote the flexibility and intelligence of the system.
利用软件取代模拟和数字器件的数字化控制，提高了产品的集成度，增强了系统的柔性和智能性。
2
Both of FSQ and SSY-II instruments were set to record the digital and analog data simultaneously in Lanzhou Observatory in 2002. The apparent difference between two kinds of data was found.