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This paper presents a new method of Intermittent Target Tracking (ITT) to improve the resistance of tracking radar to anti-radiation missile (ARM). The traditional method to anti-ARM will decrease or disable the performance of air defense system. Deploying a tracking radar network, ITT can reduce the interception probability while tracking the target precision. The principle is analyzed first, and...
Fire-control radar network uses data fusion to form more accurate estimate of a target track, the prerequisite of normal data fusion is the system bias registration. In fire-control radar network, due to the existence of the approximating bias of coordinate conversion model and time synchronization bias, data fusion process brings the immitted system biases besides inherent system biases. This paper...
The paper proposes a solution to digitize the angle information of the two speed resolvers based on tangent algorithm. This solution is simple than the tracking types in common use. The principle is analysed and the configuration of software and hardware is presented. To avoid overflow and improve precision, sampling at the signal peak and two tables are adopted. The experiments show that the solution...
When multiple moving targets are close in the same radar beam and can not be separated in range, the conventional ISAR imaging motion compensation algorithms can not get clear images. However, these targets have different velocities and directions, so their Doppler histories of returned signals are different. In a short time, these Doppler histories can be treated as approximately linearly changing...
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