Open Access

表2

最优位置状态

序号位置状态量测信息夹角
θ2/(°)θ3/(°)ϑ1/(°)ϑ2/(°)ϑ3/(°)
a 130 250 120 120 120
b 250 130 120 120 120
c 70 310 60 60 240
d 310 70 60 60 240
e 70 130 60 240 60
f 130 70 60 240 60
g 250 310 240 60 60
h 310 250 240 60 60

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.