基于联合EDF和多模板的天波雷达波位调度方法

doi:10.3969/j.issn.1001-506X.2020.03.011

Abstract

Abstract:

Sky wave over-the-horizon radar (OTHR) can both detect air targets and sea targets, having good capability of performing complex and diversified mission. The beam scheduling problem of OTHR must be concerned for optimizing the overall detection effectiveness. Combined with the working mode and mission characteristics, the resource scheduling idea of phased array radar is introduced, and a new scheduling method combining earliest deadline first (EDF) and multiple templates is studied. First, the deadline is defined newly and the calculating method of task priority is improved. Then, three kinds of templates of beam position scheduling are designed. Finally, the scheduling templates are chosen adaptively according to the calculating method of task priority. This method can provide exquisite resource deployment of OTHR in complex and diversified early warning detection mission, which accordingly optimizes detection effectiveness.

Key words: sky wave over-the-horizon radar (OTHR), detection effectiveness, beam position scheduling, modified earliest deadline first (EDF), multiple templates

CLC Number:

TN957

Wei HAN, Guoshi WANG, Chaowei ZHANG, Zhihui YU. Beam position scheduling method of OTHR based on combined EDF and multiple templates[J]. Systems Engineering and Electronics, 2020, 42(3): 582-588.

Figures/Tables 9

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时间紧迫度	任务重要程度
时间紧迫度	pri₁	pri₂	pri₃	pri₄	pri₅
d₁	1, 1	1, 2	1, 3	1, 4	1, 5
d₂	2, 1	2, 2	2, 3	2, 4
d₃	3, 1	3, 2	3, 3
d₃	4, 1	4, 2
d₅	5, 1

时间紧迫度	任务重要程度
时间紧迫度	pri₁	pri₂	pri₃
d₁	1, 1	1, 2	1, 3
d₂	1, 1	1, 2
d₃	3, 1

波位	P_d		P_g
波位	常规方法	本文方法	常规方法	本文方法
B₁	0.658	0.658	0.698 6	0.583 2
B₂	0.658	0.658	0.698 6	0.583 2
B₃	0.658	0.658	0.698 6	0.583 2
B₄	0.605	0.605	0.723 4	0.701 1
B₅	0.605	0.605	0.723 4	0.701 1
B₆	0.585	0.585	0.714 5	0.906 3
B₇	0.585	0.585	0.714 5	0.906 3

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Beam position scheduling method of OTHR based on combined EDF and multiple templates

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