History of radar and surveillance technology in Czech Republic

Veselý, Jiří

doi:10.23919/irs.2017.8008086

Cited by 8 publications

(4 citation statements)

References 1 publication

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“…Passive electronic support measurement tracker (PET) systems are also known as passive surveillance systems (PSS), and their principles and technology are highly similar to radar technology from a passive radar point of view [ 16 ]. Many PET systems are based on the multilateration TDOA method to determine the exact position of targets and can ordinarily track them.…”

Section: Introductionmentioning

confidence: 99%

Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing

Gotthans

Götthans

Novak

2023

Sensors

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Section: Introductionmentioning

confidence: 99%

Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing

Gotthans

Götthans

Novak

2023

Sensors

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“…The cartridges with dipole reflectors are fired from automatic launchers, usually placed on the aeroplane fuselage [4, 6–8].…”

Section: Introductionmentioning

confidence: 99%

Simulation of dipole reflectors’ electric field and RCS in limited open space

Žák

Vach

2020

IET Radar, Sonar & Navigation

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“…Monopulse array systems are one of the most favorite structures used in SSR systems [4]. The monopulse anten-nas are available in planar array type [5,6,7], modal Horn Type [8], [9], reflector type [10][11][12] or even waveguide arrays [13]. Use of monopulse methods [10], [4] for ranging and angle of the arrival estimations which necessitate generation of two SUM and Difference (DIFF), and for more reliability in SSR, use of Control (CTRL) beams out of its antenna system.…”

Section: Introductionmentioning

confidence: 99%

An Efficient Multi-Beam Array Architecture for L-Band Secondary Surveillance Radars

Aliakbarian¹,

Khak²,

Shahpari³

et al. 2019

RADIOENGINEERING

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In this paper, the design and fabrication of a large array antenna with three required, Sum, Difference and Control beams for a monopulse Secondary Surveillance Radar (SSR) is presented. A special array element, which is a high gain dual dipole structure, is designed and tested. This element has 9.6 dB gain in 1060 MHz and does not need any balun. The main challenge of extracting three beams out of one beam feeding networks (BFN) has been resolved efficiently by maximum integration of all three in one network, reducing the number of required modules to one half. The complete 33-element array, working in 1030 MHz and 1090 MHz is designed based on the Taylor array factor. The complex feed network of this 6-meter long array has successfully been synthesized as modular as possible. Sum pattern was designed for 2.7 o azimuth beam width and -20 dB side lobe level and Diff pattern with a deep null in the boresight of the Sum pattern. The Ctrl beam was also designed in order to cover the Sum beam except in the direction of the main lobe.

show abstract

History of radar and surveillance technology in Czech Republic

Cited by 8 publications

References 1 publication

Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing

Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing

Simulation of dipole reflectors’ electric field and RCS in limited open space

An Efficient Multi-Beam Array Architecture for L-Band Secondary Surveillance Radars

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