View Single Post
Old 10-31-11, 10:19 PM   #3
ETsd4
中国水兵
 
Join Date: Dec 2010
Posts: 278
Downloads: 91
Uploads: 0
Default

Quote:
Originally Posted by Aequitas View Post
beta = arccos{sqrt[1-(vt*sin(alpha)/v)^2]},

where beta is the angle of interception (counting from 0 course),
vt - target's speed,
alpha - AoB of target,
v - speed of own vessel,
beta° = (180/pi)(arccos{sqrt[1-(vt*sin(alpha°)/v)^2]}),

where beta° + bearingTotarget° := interceptcourse°,
vt:= target's speed,
alpha°:= AoB of target
v:= speed of own vessel,
pi:= 3.14159265
ETsd4 is offline   Reply With Quote