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A method and system for detecting abnormal time scale of multi-source ads-b data

An ADS-B, detection system technology, applied in the field of aviation control, can solve the problems of abnormal data time stamp detection, affecting the safety of control operation, providing ADS-B monitoring signals, etc., to achieve the effect of improving accuracy and accuracy

Active Publication Date: 2022-07-05
CHENGDU CIVIL AVIATION AIR TRAFFIC CONTROL SCI & TECH +1
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Problems solved by technology

However, when there is a timing fault in the A system, when the timing of each ADS-B ground station is normal, it will cause abnormal detection of the data time scale of all ADS-B ground stations, which will lead to the inability to provide ADS-B monitoring signals to the back-end air traffic control automation system, seriously affecting Regulatory Operational Security

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  • A method and system for detecting abnormal time scale of multi-source ads-b data

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[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] It is to be understood that, when used in this specification and the appended claims, the terms "comprising" and "comprising" indicate the presence of the described features, integers, steps, operations, elements and / or components, but do not exclude one or The presence or addition of a number of other features, integers, steps, operations, elements, components, and / or sets thereof.

[0028] It is also to be understood that the termin...

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Abstract

A method for detecting abnormal time stamp of multi-source ADS-B data disclosed in the invention includes: collecting ADS-B ground station site information; selecting time stamp samples, and analyzing the ADS-B ground station site ID and the distance of the first ground station processing to obtain the quadruple information of time-scale samples of all ADS-B ground stations; preprocess the quadruple information of time-scale samples; select training samples from the processed time-scale samples to build iTree; each ADS-B ground station The time-scaled samples traverse each iTree, and calculate the level height of each ADS‑B ground station in each iTree; calculate the target abnormality score of each ADS‑B ground station timescale sample according to the target abnormality score formula; according to the target abnormality score Determine whether the time scale is abnormal. Real-time dynamic target track anomaly time-scale detection in a large-scale airspace can be realized, abnormal time-scale data can be quickly and effectively identified, and the accuracy of abnormal time-scale detection is improved.

Description

technical field [0001] The invention relates to the technical field of aviation control, in particular to a method and system for detecting abnormal time scale of multi-source ADS-B data. Background technique [0002] The ADS-B data center system (ADS-B Data Center hereinafter referred to as the ADC system) is the ADS-B data that leads to the ADS-B ground station and the subordinate ADS-B data center in the jurisdiction. After the ADS-B data analysis, fusion, verification, etc. After processing, it will provide ADS-B real-time comprehensive surveillance information for the air traffic control department under its jurisdiction; for the areas with insufficient radar coverage in the central and western regions of China, the application of ADS-B surveillance technology can solve the problem of "invisibility" and enhance the control operation. It reduces the risk of control errors, forgetting and leakage, improves the utilization rate of ADS-B data, improves the airspace capacity...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
CPCG06F18/24323G06F18/214
Inventor 郭春波郝育松侯昌波夏朝禹莫飞范丽娟
Owner CHENGDU CIVIL AVIATION AIR TRAFFIC CONTROL SCI & TECH
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