The invention belongs to the technical field of
clock synchronization, and particularly relates to a high-precision
clock synchronization method in an
aviation cluster high-speed
relative motion scene, which comprises the following steps of: S1, acquiring round-trip time RTT data based on
signal transmission among nodes in an
aviation cluster, and acquiring a relative radial speed v by combining an inertial navigation module; calculating by using a
motion correction formula to obtain a preliminary
clock skew epsilon after
motion correction; in order to solve the problems of asymmetric high-speed motion path time
delay, URT interference, random and nonlinear error coexistence and the like, through a four-stage cooperative scheme of RTT
motion correction, URT modeling compensation, Kalman filtering
smoothing and BP neural network residual optimization, the
clock synchronization precision is improved to 0.1-0.3 ns, the method has strong anti-interference robustness and
engineering realizability, and the method is suitable for large-scale popularization and application. The method can be widely applied to
aerospace, unmanned aerial vehicle formation,
satellite communication and other fields requiring high-precision
clock synchronization, and effectively solves the problems of insufficient precision and poor adaptability of a traditional method in a high-speed scene.