Selective querying roll-call method of secondary radar S-mode

A secondary radar and mode selection technology, applied in the field of communication, can solve the problems of not meeting the system index requirements, long system running time, unnecessary system overhead, etc., to reduce redundancy and operating burden, improve operating efficiency, and reduce roll calls burden effect

Active Publication Date: 2019-05-07
四川九洲空管科技有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this is that many targets that are not within the coverage of the antenna also participate in the roll call, which increases the burden of the roll call and causes unnecessary overhe...

Method used

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  • Selective querying roll-call method of secondary radar S-mode
  • Selective querying roll-call method of secondary radar S-mode
  • Selective querying roll-call method of secondary radar S-mode

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Embodiment Construction

[0041] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0042] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0043] The present invention will be further described below in conjunction with the accompanying drawings.

[0044] Such as figure 1 The extraction of the named target list of the present invention specifically comprises the following steps:

[0045] A secondary radar S mode selective inquiry roll-calling method, the selective inquiry roll-calling method comprises roll-call target list extraction and roll-call target sorting;

[0046] The roll call target list extraction part specifically includes...

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Abstract

The invention relates to a selective querying roll-call method of secondary radar S-mode. Roll-call target sorting part in the selective querying roll-call method comprises combining the roll-call targets and link request information into a target request list G1; obtaining a xth target request Mx in the target request list G1, and calculating a transmission time and a response time of the Mx; calculating the times of remaining N-x targets according to the Mx; sorting the remaining N-x targets from large to small according to receiving times; assigning a value of Rx+1 to the receiving time ofa target appeared firstly and being closest to a receiving time Rx, and assigning a value of Tx+1 to the transmission time thereof; after the assignment is completed, automatically increasing 1 to x,and then judging whether condition A: x<N and Tx>0 is met or not; if the condition A is met, continuing to execute; and if the condition A is not met, completing the roll-call target sorting. According to the selective querying roll-call method of the secondary radar S-mode, the sorting is performed on the targets participating in the roll-call; the global optimization is achieved through the local optimization; the method is fast; more querying targets can be efficiently obtained; the querying efficiency and the time utilization rate are improved.

Description

technical field [0001] The invention relates to the communication field, in particular to a secondary radar S mode selection inquiry method for roll call. Background technique [0002] The S mode of the secondary radar is developed on the basis of the traditional A / C mode. The S in the S mode is the first letter of selected, which means selection, that is, it is stipulated that the coded address of any aircraft in the world is unique, and the coded address of the aircraft is added to the radar inquiry signal, and the inquiry is based on each aircraft. The difference of the address of the aircraft is selectively inquired, and the aircraft in the inquiry beam does not reply until the encoded address in the inquiry pulse is identical to its own address. [0003] The S-mode secondary surveillance radar system communicates with the aircraft through roll call, and controls the inquiry so that the aircraft's response signals do not overlap. Compared with the conventional mode of s...

Claims

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Application Information

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IPC IPC(8): G01S13/76G01S7/36G01S7/02
Inventor 卢晓霞吴俊刘伟伟皈勇
Owner 四川九洲空管科技有限责任公司
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