1) micro frequency changing phase shift
微差变频移相
1.
Based on the principle of micro frequency changing phase shift,a new approach for RF phase calibration is proposed.
根据微差变频移相原理,提出了一种射频相位校准的新方法。
2) heterodyne multiple frequency
外差式多频相移
1.
Study on 3D optical points dense cloud measuring system based on heterodyne multiple frequency phase shift technology;
外差式多频相移技术的三维光学点云测量研究
2.
On the basis of computer two-eye vision technology and heterodyne multiple frequency technology,3D dense point cloud optical measurement software named by XJTUOM software had been developed,3D data of the object surface mought be acquired precisely by means of this way,According to the whole marked points come from XJTUDP,every pieces of point cloud mought be assembled automatically.
开发的XJTUOM三维光学密集点云测量系统软件,基于外差式多频相移技术和计算机双目立体视觉技术,可以精确采集物体表面的三维数据,利用XJTUDP产生的全局标志点,可以实现每幅点云的自动拼接。
3) differential phase shifter
微分移相器;差动移相器
4) shift converter
相移变换器，频移变换器
5) relative frequency draft
相对频率变差
6) sudden frequency deviation
变频率偏差;突然频移
补充资料：差移
1.犹差错。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条