초록 ▼

The invention relates to a method for determining the relative movement between a target tracking missile and a target being located at a target distance from said missile. The missile is equipped with an image processing seeker head provided with a seeker detecting said target. The seeker head obse

The invention relates to a method for determining the relative movement between a target tracking missile and a target being located at a target distance from said missile. The missile is equipped with an image processing seeker head provided with a seeker detecting said target. The seeker head observes the target in an observation direction. A target image is generated on the seeker. The size of the target image depends on the observation direction. The target moves with a target velocity relative to the missile. The method has the method steps of: defining a seeker head-fixed coordinate system; defining a maximum absolute size of said target; measuring further relevant quantities; and running a recursive algorithm in order to obtain estimated values of a three-dimensional vector of the target velocity in the seeker head-fixed coordinate system by using as inputs the defined maximum absolute size of the target and the image dimension appearing on the seeker as well as further relevant quantities.

대표청구항 ▼

1. A method for determining the relative movement between a target tracking missile and a target being located at a target distance from said missile and moving with a target velocity relative to said missile, said missile being provided with an image processing seeker head provided with a seeker de

1. A method for determining the relative movement between a target tracking missile and a target being located at a target distance from said missile and moving with a target velocity relative to said missile, said missile being provided with an image processing seeker head provided with a seeker detecting said target, said seeker head observing the target in an observation direction, a target image having a target image dimension being generated on said seeker when said seeker detects said target and depending on said observation direction, said method comprising the steps of:defining a seeker head fixed coordinate system; defining a maximal absolute size of said target; measuring further relevant quantities; and running a recursive algorithm in order to obtain estimated values for a three-dimensional vector of said target velocity in said seeker head-fixed coordinate system, using as inputs said defined maximal absolute size of said target and said image dimensions generated on said seeker as well as said further relevant quantities.