Radar weak fluctuating target tracking-before-detection algorithm based on multi-Bernoulli filtering
A technology of undulating targets and forward tracking, which is applied in radio wave measurement systems, radio wave reflection/reradiation, and measurement devices, can solve problems such as weak fluctuations and multi-target detection and tracking problems that cannot be effectively solved, and achieve the goal of improving discrimination Effect
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[0172] In this embodiment, the MATLAB software whose version is 2014(a) is used to carry out the simulation experiment.
[0173] see image 3 , setting the three target motions shown, consider a two-dimensional motion scene, the state of each target is defined as
[0174] where (x k ,y k )and are the position and velocity of the target in the Cartesian coordinate system, respectively.
[0175] position (x k ,y k ) in polar coordinates p=[r min ,r max ]×[θ min ,θ max ] scene, r min ,r max and θ min ,θ max are the minimum and maximum target range and orientation, respectively;
[0176] speed In zone:
[0177]
[0178] where v min and v max are the minimum and maximum target speeds, respectively.
[0179] The target state evolves according to the uniform linear motion:
[0180] x k =Fx k-1 +v k
[0181] The sensor scan time interval T=1s receives 100 frames of images, where
[0182]
[0183]
[0184] process noise v k obeys a Gaussian distri...
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Abstract
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