The mathematical model of a single-camera virtual computer mouse sensor is established and a field calibration approach to the single-camera virtual mouse is proposed.

This paper has analyzed the principle of the mechanical mouse and the telecontrol simulated mouse is designed without energy consumption.

The position of virtual target point based on standard trajectory can ensure the precision of the close-loop guidance under the little disturbance instance.

Considering the request of impact angle constraint of the attacking missile,an real-time algorithm of waypoint generation for a virtual target is deduced based on the movement of the missile and target on the vertical plane.

An extended proportional navigation guidance law based on Lyapunov stability is proposed by applying the concept of virtual target and the three-dimensional pursuit-evasion model.