RCS Analysis of a Configurable Mock-Up Cavity With Blade Motion Capability

Martínez, David Poyatos; Escot-Bocanegra, David; Fernández-Recio, R.; Montiel-Sanchez, I.

doi:10.1109/tmag.2009.2012631

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…Fair to good agreement was achieved between the simulation and measurements. Poyatos-Martínez et al [33] measured the RCS of an engine mock-up with eight rotatable blades, and produced a one-dimensional high resolution range profile (HRRP) figure for their engine mock-up. Van der Ven and Schippers [34] also provided an HRRP for a civilian jet engine inlet, and reported the CPU time and memory required for the simulation.…”

Section: Introductionmentioning

confidence: 99%

Efficacy of an S-Shaped Air Inlet on the Reduction of Front Bistatic Radar Cross Section of a Fighter Engine

Chung¹,

Tuan²

2021

PIER B

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The engine of a fighter plane is one of the largest scattering centers of the entire aircraft. One possible way of reducing the radar cross section (RCS) of the engine is to use an S-shaped bending air inlet to avoid direct radar wave illumination and reflection. We evaluate the efficacy of an S-shaped air inlet on RCS reduction by simulating the boresight and ±15 • bistatic RCS for a digital model of an engine located behind an S-shaped inlet, using a multi-level fast multipole method (MLFMM) code in the S and X bands. The results show that a curved S-type air inlet can reduce the engine boresight bistatic RCS by ∼ 10-12 dBsm at 3 GHz, and ∼ 16 dBsm at 10 GHz when radar wave is incident from boresight, but not to the level required by RF stealth standards. When the radar waves are incident from θ = 105 • ϕ = 90 • or θ = 90 • ϕ = 345 • , the RCS reduction is less effective, which is the results of the bend direction of the S-type air inlet.

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Section: Introductionmentioning

confidence: 99%

Efficacy of an S-Shaped Air Inlet on the Reduction of Front Bistatic Radar Cross Section of a Fighter Engine

Chung¹,

Tuan²

2021

PIER B

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“…The group's measurement background is focused on monostatic ReS, and on material absorption and characterization tests [5][6][7][8][9]. When the opportunity for updating the measurement facility came, this past experience put forward the usefulness of bistatic information, but also how difficult it is to obtain such information.…”

Section: Introductionmentioning

confidence: 99%

Indoor 3D Full Polarimetric Bistatic Spherical Facility for Electromagnetic Tests

Escot

Poyetos

Aguilar

et al. 2010

IEEE Antennas Propag. Mag.

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We welcome contributions for future installments of the Measurements Comer. Please send them to Brian Fischer and Ivan LaHaie, and they will be considered for publication as quickly as possible. Contributions can range from short notes to full-length papers on all topics related to RF measurement technology and its applications, including antennas, propagation, materials, scattering, and radar cross section. New or unique measurement techniques are of particular interest.While there are many radar cross section measurement (RCS) facilities around the world, very few are capable of making bistatic RCS measurements. Many of those that can are typically limited in the range of bistatic angles they can collect. This issue's Measure ments Comer paper describes a new indoor RCS facility capable of collecting bistatic data over a full hemisphere above the target. Of particular interest is the facility's ability to support investigations into near-field-to-far-field RCS transformations. Abstract A new indoor facility for electromagnetic measurements has been developed and built at the Detectability and ElectronicWarfare Laboratory, INTA, Spain. The system was designed to ex tend the previous capabilities so that not only monostatic but also bistatic radar cross section (RCS) tests could be easily conducted. Due to limited space, far-field radar cross sections in the system are restricted to small targets, but this layout will allow the researchers to investigate RCS near-field-to-far-field transformations. The system was also conceived to be versatile enough to carry out other tests, such as near-field antenna measurements, material-absorption measurements, and electromagnetic characterization of materials. The paper describes the novel concept behind the facility, and presents some preliminary measurement results on different applications.

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Study on the influence of blade on electromagnetic scattering characteristics in the open-ended cavity

Guo

Wen

et al. 2022

Journal of Computational Science

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RCS Analysis of a Configurable Mock-Up Cavity With Blade Motion Capability

Cited by 6 publications

References 3 publications

Efficacy of an S-Shaped Air Inlet on the Reduction of Front Bistatic Radar Cross Section of a Fighter Engine

Efficacy of an S-Shaped Air Inlet on the Reduction of Front Bistatic Radar Cross Section of a Fighter Engine

Indoor 3D Full Polarimetric Bistatic Spherical Facility for Electromagnetic Tests

Study on the influence of blade on electromagnetic scattering characteristics in the open-ended cavity

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