Abstract
Detection of targets at low altitudes with a low Radar Cross Section (RCS) such as drones and stealth could challenge Air Surveillance systems and this situation must be addressed in a cost–effective way. This paper summarizes the newly emerged technical challenges of the Control and Reporting Centre (CRC) and gives solutions on how to overcome recognized shortcomings. In addition it highlights problems and requirements related to drone maneuvering capabilities and their very low RCS. This article summarizes challenges and gives a synthesized solution to the network centric approach based on the short distance Gaussian bi–static radar concept called twin radar coherent signal fusion. The idea is to explore advantages of the twin radar concept such as doubled detection range, increased, superior angular resolution of the system and increased plot update frequency. Examples for the twin radar performance demonstration are based on VHF radar, which has unique capabilities such as exploitation of multipath and resonance frequency for drones. A few peculiarities of the new signal processing are introduced with the extended air traffic control and monitoring network structure.
Highlights
This paper summarizes the newly emerged technical challenges of the Control and Reporting Centre (CRC) and gives solutions on how to overcome recognized shortcomings
General overview on the air surveillance system augmented by twin radar is introduced
The system elements connections and main performances highlight the fact that management of the extended volume of the air surveillance space is required in detection range of the low Radar Cross Section (RCS) signature targets, such as drones, Stealth with high maneuvering capabilities and in the very low altitude down to the highway level at low cost
Summary
Detection of targets at low altitudes with a low Radar Cross Section (RCS) such as drones and stealth could challenge Air Surveillance systems and this situation must be addressed in a cost–effective way. New challenges for air surveillance of CRC (and Civilian Air Traffic Control — CATC) have emerged in the last decade. Populations of the homemade drones or civil and commercial UAVs are rapidly growing Several features such as flexible route planning, adaptive communications and control mechanism are built in the system. Maneuvering capabilities of the drones are increasing beyond man piloted aircraft performance, which redefines the plot update time requirements required for track initiation and maintenance. Air Traffic Safety needs an air surveillance radar network augmented by a new type of radar such as twin systems to detect, track and recognize all types of flying objects. Air Traffic Safety needs an air surveillance radar network augmented by a new type of radar such as twin systems to detect, track and recognize all types of flying objects. [2]
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