Anti-aliasing processing method based on navigation management secondary radar test system

Abstract

The invention relates to an anti-aliasing processing method based on navigation management secondary radar test system. The method includes the following steps: S1, data initialization, namely system data of a navigation management secondary radar test system is initialized; S2, extract of effective impulse signal sequence, namely an effective impulse signal sequence is extracted from a request signal received by a navigation management secondary radar test analyzer; S3, impulse grouping extract, namely impulse grouping extract is carried out on the extracted effective impulse signal sequenceafter extract of the effective impulse signal sequence to obtain an effective impulse signal grouping sequence; S4, extract of multi-radar information, namely multi-radar information extract is carried out on the obtained effective impulse signal grouping sequence to separate information data of each radar. The invention has the beneficial effects that: the request signals of a plurality of radars can be separated out, information data of a plurality of radars can be obtained, and testing, analysis and discrimination on each radar can be completed.

Description

technical field [0001] The invention belongs to the technical field of radar measurement and control navigation systems, and in particular relates to a secondary radar testing system for air traffic management. Background technique [0002] Secondary Surveillance Radar (abbreviated as SSR) was originally developed as a friend-or-foe identification system in air combat in order to enable the radar to distinguish the aircraft of both the enemy and the enemy. Later, the basic principles and components of this system were developed and used Air traffic control in civil aviation. From the SSR, the controller can easily know the number, altitude, direction and other parameters of the aircraft, so that the radar is changed from a monitoring tool to a means of air control. The emergence of SSR is the most significant technical progress of air traffic control. [0003] Air traffic control secondary radar works under the cooperation of the ground station and the target transponder, u...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiency that the existing air traffic control secondary radar function test analyzer cannot simultaneously complete the measurement and control of multiple air traffic control secondary radars, and proposes an anti-aliasing system based on the air traffic control secondary radar test system Overlapping processing method, which can separate the interrogation signals mixed together by multiple air traffic control secondary radars

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