A microwave anechoic chamber for radar-cross section measurement

Chung, Boon-Kuan; Chuah, H. T.; Bredow, J.W.

doi:10.1109/74.598557

Cited by 24 publications

(7 citation statements)

References 3 publications

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“…These multipath scatterings are not accounted for during the calibration process and they give rise to constructive and destructive interference at different frequencies [11].…”

Section: Time Domain Processingmentioning

confidence: 99%

Polarimetric RCS Calibration using Reference Reflectors

Lo¹,

Chung²

2005

Journal of Electromagnetic Waves and Applications

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A new polarimetric radar cross section (RCS) calibration technique using two reference reflectors is developed and verified experimentally in the anechoic chamber of Multimedia University. The antenna system and the two orthogonal channels are modeled as a two-port network. The technique utilizes two electrically large reflectors, namely a rectangular flat plate and a 45 • rotated dihedral corner reflector as the calibration targets to provide large reflections for co-polarization and cross-polarization returns, respectively. The orientation of the reflectors is not critical, and their theoretical RCS are not required in the calibration process. Therefore the alignment problem and uncertainties in the computation of the theoretical responses are eliminated. A metallic sphere with known theoretical RCS is used to verify the calibration accuracy and determine the correction factor for absolute RCS measurement. Scattering measurements are performed using a Vector Network Analyzer (VNA). Raw data are acquired and stored in the PC for further processing. Time domain gating technique is applied to remove the target-chamber coupling effect in the measurements.

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“…These multipath scatterings are not accounted for during the calibration process and they give rise to constructive and destructive interference at different frequencies [11].…”

Section: Time Domain Processingmentioning

confidence: 99%

Polarimetric RCS Calibration using Reference Reflectors

Lo¹,

Chung²

2005

Journal of Electromagnetic Waves and Applications

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“…Literature for indoor bistatic facilities is scarce, because the investment for deploying such systems is high and they are only updated or substituted after years of operation, but this facility is an alternative to the similar systems shown in [3] or [5]. In the former, six rails in azimuth provided some bistatic capability in a dome-shaped chamber, but not for every point of the hemisphere.…”

Section: Facility Descriptionmentioning

confidence: 99%

“…Hence, now great efforts have started to measure bistatic RCS as can be seen, for example, in [3][4][5]. This paper presents a new indoor measurement facility conceived for conducting various electromagnetic tests and the first bistatic RCS results produced in this system are reported here for the first time.…”

Section: Introductionmentioning

confidence: 99%

Spherical Indoor Facility Applied to Bistatic Radar Cross Section Measurements

Escot-Bocanegra¹,

Poyatos-MartÄ±nez²,

Montiel-SÃ¡nchez³

et al. 2011

PIER Letters

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“…It has been designed to be able to determine the polarimetric three-dimensional ReS pattern of a target, in not only monostatic but also in bistatic configuration. It is therefore an alternative to the examples shown by [I] or [2]. In the former, a near-field ReS indoor spherical facility was proposed, but bistatic capability was not included.…”

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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A microwave anechoic chamber for radar-cross section measurement

Cited by 24 publications

References 3 publications

Polarimetric RCS Calibration using Reference Reflectors

Polarimetric RCS Calibration using Reference Reflectors

Spherical Indoor Facility Applied to Bistatic Radar Cross Section Measurements

Indoor 3D Full Polarimetric Bistatic Spherical Facility for Electromagnetic Tests

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