The invention discloses a
signal source tracking-oriented
Gaussian process space-time modeling and unmanned aerial vehicle
flight planning method, which comprises the following steps of: firstly, acquiring RSSI (Received
Signal Strength Indicator) data of a
signal source by a sensor carried by an unmanned aerial vehicle, and recording corresponding position information and timestamps to form a space-
time data set; based on the
data set, space-time modeling of
signal intensity is carried out by using a
Gaussian process, the future position of a
signal source is predicted, and the challenge of the position change of the
signal source in a dynamic environment is overcome. And then, in combination with a designed
flight planning algorithm, calculating a target position of the unmanned aerial vehicle at the next moment according to a
signal intensity distribution prediction result. The
flight planning method is divided into an exploration stage and a tracking stage, and the path of the unmanned aerial vehicle is dynamically optimized by adopting an overall variance reduction (IVR)
evaluation function and a likelihood weighting (LW)
evaluation function respectively. According to the invention, through spatial-temporal distribution modeling of
signal intensity and flight path optimization, accurate tracking of the unmanned aerial vehicle on the mobile
signal source is realized, and hardware dependence and realization cost are effectively reduced.