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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2018, Vol. 39 ›› Issue (12): 322313-322313.doi: 10.7527/S1000-6893.2018.22313

• Electronics and Electrical Engineering and Control • Previous Articles     Next Articles

A task scheduling algorithm for multifunctional radar based on two-dimensional resource management

TIAN Taifang1, ZHANG Qun1, CHEN Yijun2, MENG Di3, HE Qifang4   

  1. 1. Institute of Information and Navigation, Air Force Engineering University, Xi'an 710077, China;
    2. College of Information Engineering, Engineering University of CAPF, Xi'an 710086, China;
    3. People's Liberation Army No. 93303 Unit, Shenyang 110043, China;
    4. People's Liberation Army No. 93534 Unit, Tianjin 301700, China
  • Received:2018-05-10 Revised:2018-07-19 Online:2018-12-15 Published:2018-09-04
  • Supported by:
    National Natural Science Foundation of China (61631019)

Abstract: The dynamic aperture segmentation technique ensures a flexible allocation ofaperture resources from the phased array radar to different tasks, whereas the traditional resource scheduling algorithms only have studied the optimal allocation of time resources based on the single aperture condition. To address the adaptive scheduling for radar searching, tracking and imaging tasks, a radar resource scheduling algorithm based on two-dimensional resource management of time aperture is proposed. The algorithm establishes a 2D resource model in condition of aperture segmentation of radar, and sets the energy constraints. Then using the sparse aperture Inverse Synthetic Aperture Radar (ISAR) imaging technology based on compressed sensing, the design achieves the imaging of targets at the same time of completing searching and tracking tasks. Finally the study defines an evaluation index of the performance of scheduling algorithms. And the comparisons of simulations between the proposed algorithm and two other algorithms demonstrate that the proposed algorithm has advantages in scheduling success rate, two-dimensional resource utilization rate and task parallel degree.

Key words: phased array radar, resource scheduling, dynamic aperture segmentation, time aperture 2D resources, sparse ISAR imaging, radar execution efficiency

CLC Number: