Wave beam residence scheduling method of cooperative distributed system

A distributed system and beam dwell technology, applied in radio wave measurement system, radio wave reflection/re-radiation, comprehensive factory control, etc., to achieve the effect of enriching work flexibility

Active Publication Date: 2019-05-03
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0008] In view of the above existing problems or deficiencies, in order to solve the beam dwell scheduling problem of the cooperative distributed system in which sub-radars can work independently and cooperatively when needed, the present invention provides a beam dwell schedule for the cooperative distributed system method

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  • Wave beam residence scheduling method of cooperative distributed system
  • Wave beam residence scheduling method of cooperative distributed system
  • Wave beam residence scheduling method of cooperative distributed system

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Embodiment Construction

[0055] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings.

[0056] Using the scheduling method proposed by the present invention, the performance evaluations of Task Drop ratio (TDR), Hit Value ratio (HVR) and Time Utilization Ratio (TUR) are respectively performed. TDR, HVR, and TUR are defined as (6)-(8) respectively:

[0057] TDR=N lose / N total (5)

[0058] Among them, N lose Indicates the number of lost tasks, N total Indicates the total number of tasks;

[0059]

[0060] This indicator represents the ratio of the sum of the value of all successfully scheduled tasks to the sum of the value of all requested tasks, reflecting the proportion of high priority tasks being successfully scheduled, where N suc Indicates the total number of tasks successfully scheduled;

[0061]

[0062] This indicator represents the ratio of the sum of the dwell time of all successfully scheduled tasks t...

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Abstract

The invention relates to a wave beam residence scheduling method of a cooperative distributed system, and belongs to the field of radar system resource management. The priority of a task work manner and influence of deadline on the task priority are both taken into consideration, an HPEDF method is used to calculate the integrated priority, a wave beam residence scheduling model is established according to characteristics of radar task scheduling enforced by multiple stations cooperatively in the cooperative distributed system, a time pointer analysis based heuristic method is used for solution, and the method is formed. The problem that a sub-radar needs to work independently but also needs wave beam residence scheduling during cooperative work is solved.

Description

technical field [0001] The invention belongs to the field of radar system resource management, in particular to a method for implementing multi-station cooperative self-adaptive beam dwell scheduling in a distributed system. Background technique [0002] The air defense guidance radar with single-station radar as the core is facing a bottleneck in development due to the threat of stealth targets, anti-radiation missiles, low-altitude targets, etc., and it is difficult to cope with the intricate battlefield environment. A distributed system composed of multiple single-station radars can take advantage of the diversity of spatial distribution, thereby improving the combat system's anti-strike capability. Therefore, the concept of distributed systems is continuously researched. The distributed system is to form a "network" to collect and transmit the information of various radars in the system through the appropriate deployment of multiple radars of different systems, differen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/02G01S13/66G01S7/292G01S7/02
CPCY02P90/02
Inventor 程婷陆晓莹檀倩倩李茜刘红明冯周江
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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