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Method for implementing rotating phased array radar beam self-adaption arrangement based on twice sorting

A technology of radar beam and sorting method, which is applied in radio wave measurement system, radio wave reflection/re-radiation, utilization of re-radiation, etc., and can solve problems such as application limitations of rotating phased array radar

Inactive Publication Date: 2014-10-01
THE 724TH RES INST OF CHINA SHIPBUILDING IND
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Problems solved by technology

These algorithms have been applied to fixed area phased array radar and have achieved good results, but their application to rotating phased array radar has been limited

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  • Method for implementing rotating phased array radar beam self-adaption arrangement based on twice sorting

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Embodiment Construction

[0006] The present invention adopts an improved interpolation method for beam arrangement, and the specific implementation steps refer to the appended figure 1 .

[0007] 1. Calculation of comprehensive priority

[0008] Formal description of the dwell request of the phased array radar mission model:

[0009] Radar Task ={ Pri , TOA , W , Tdwell , D , Task Step , ( R , α , β ), beam}

[0010] in, Pri is the priority of the working mode of the resident task; TOA is the expected launch time of the resident task, which is the task arrival time; W is the task time window, and the time window means that the actual execution time of the scheduled beam residence can be within its expected execution time The range of forward and backward movement; Tdwell The dwell time of the task is the length of time required for the task to execute; D Indicates the absolute deadline of the task ( D=TOA+W / 2 ), that is, the task must be completed before that time; Task Step...

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Abstract

The invention relates to a twice-sorting self-adaption arrangement algorithm for two-dimensional rotating phased array radar beam dwelling, in particular to a method for implementing rotating phased array radar beam self-adaption arrangement based on twice sorting. The method is mainly suitable for beam dwelling task arrangement of rotating phased array radar. Each dwelling task has the following attributes including the priority, the dwelling time, the expected execution moment, the time window, the actual execution moment, the direction and the elevation angle. The first-time sorting of the twice sorting method is achieved through the steps of sorting the dwelling tasks according to the priority, and taking out the tasks, capable of being executed in this interval, according to the dwelling time of the tasks when limited by the scheduling interval which is generally 50 milliseconds or 100 milliseconds. The second-time sorting of the twice sorting method is achieved through the step of sorting the tasks which are taken out according to the sequence of the expected execution moments. The actual execution moment of the first task is set to be the starting moment of this interval, the execution moment of the second task is set to be the ending moment of the first task, and setting is sequentially conducted in this way.

Description

technical field [0001] The invention belongs to the field of phased array radar systems, and in particular relates to a beam arrangement algorithm in resource scheduling of rotating phased array radars. Background technique [0002] Rotating phased array radar can complete tasks such as warning, tracking, and guidance within a 360° airspace within a limited time. In order to achieve simultaneous multi-function and multi-task and improve radar detection efficiency, time resources must be effectively managed and reasonably allocated. In this process, the selection of the beam dwell arrangement algorithm plays a decisive role in optimizing the overall performance of the radar. First of all, the beam-dwelling scheduling algorithm needs to fully consider factors such as different task types, the priority of different tasks, deadlines, and energy consumption; Beam arrangement is adaptively performed according to the dynamic changes of the environment. In addition, the scheduling...

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Application Information

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IPC IPC(8): G01S7/02
CPCG01S13/02G01S7/03G01S2013/0245
Inventor 李纪三尹晓燕侯娇
Owner THE 724TH RES INST OF CHINA SHIPBUILDING IND
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