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Wednesday, May 13, 2020 | History

4 edition of A planar near-field scanning technique for bistatic radar cross-section measurements found in the catalog.

A planar near-field scanning technique for bistatic radar cross-section measurements

A planar near-field scanning technique for bistatic radar cross-section measurements

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Published by Ohio State University, ElectroScience Laboratary, National Aeronautics and Space Administration, Lewis Research Center, National Technical Information Service, distributor in Columbus, Ohio, [Cleveland, Ohio, Springfield, Va .
Written in English

    Subjects:
  • Bistatic radar,
  • Scanning systems

  • Edition Notes

    StatementS.R. Tuhela-Reuning and E.K. Walton.
    SeriesNASA CR -- 187794., NASA contractor report -- NASA CR-187794.
    ContributionsWalton, E. K., Lewis Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17633066M
    OCLC/WorldCa62205458

    Spectral Domain Analysis of Planar Circuits with Rectangular and Triangular Elements and Its Application to the Calculation of Triangular Patch Antennas European Microwave Conference, Madrid, Madrid, Spain, pages - , [4] T. F. Eibert and V. Hansen: Calculation of 3D Radiation and Scattering Problems by a FEM/BEM-Hybrid Approach. 7 May 3D characterization of radar targets by means of ISAR/SAR near field imaging techniques. imaging techniques based on indoor near field backscattering measurements turns out to be a powerful tool for diagnostic purposes in radar cross-section (RCS) reduction and for deriving RCS target models, viable for radar systems operating at Author: Marc-Andre John, Uwe Aulenbacher, Christian Inaebnit.

    RECENT ADVANCES IN ANECHOIC CHAMBER CHARACTERIZATION USING SPHERICAL NEAR-FIELD IMAGING. John C. Mantovani, Carl W. Sirles, A. Ray Howland Range Documentation, Radar Cross Section Spherical Near-Field Imaging, Anechoic Chambers, Antenna Range Characterization, Near-Field Scanner, are the results of Spherical Near-Field Scanning. (Telecom) The continuous expansion of wireless technology introduces unique and challenging measurement requirements to the marketplace. MVG offers measurement systems for a variety of applications including base-station antenna testing, handsets & antennas, active measurements, Wi-Fi, Bluetooth, RFID, WiMAX, GPS, and more.

    The book covers: target and clutter cross-section characteristics, prediction, and measurement; antenna technology ranging from modern reflector antennas to electronically steered phased arrays, low-sidelobe antennas, and adaptive antennas; and, airborne pulse doppler, AMTI, and MTI radar methods for the detection of aircraft in the midst of. Cross Section of the Sea Surface The general bistatic scattering cross section per unit area, ao(Bi,O,,&), is defined as the normalized energy flux scattered by a unit area of the sea from incidence angle 0; into angles (ds,&), and observed at large distances; the normalization is done .


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A planar near-field scanning technique for bistatic radar cross-section measurements Download PDF EPUB FB2

Get this from a library. A planar near-field scanning technique for bistatic radar cross-section measurements. [S R Tuhela-Reuning; Eric K Walton; Lewis Research Center.].

Near-Field Bistatic RCS (Radar Cross-Section) Measurements. made in the near-field of the object. This technique is an extension of existing planar near-field antenna measurement technology. Planar scanning measurement of monostatic/bistatic RCS by near-field far-field transformation based on fast multipole method near-field radar cross-section (RCS) measurements to the far zone.

planar scanning. Index Terms — Near-field Far-field Transformation, Radar Cross Section (RCS), Fast Multipole Method (FMM) I. INTRODUCTION The radar cross section (RCS) measurement is important for the target’s characterization for both monostatic and bistatic case. Radar cross section (RCS) is one of important EM properties of radar targets.

Its measurement requires long distance to obtain far-field characteristics in higher frequency range such as X-band. Planar scanning near-field measurement combined with near-field far-field (NF-FF) transformation is realized by simple measurement mpcs.online: Shuntaro Omi, Toru Uno, Takuji Arima, Yujiro Kushiyama, Takao Fujii.

Near field measurements require a sensitive and accurate mechanical infrastructure as well as a mathematical In planar scanning, the probe travels on a plane in front of test antenna and complex signal data is saved will help to save time.

Especially in applications in which one doesn’t need exact results, such as a radar. The results of an extensive error analysis on planar near-field measurements are described.

There are also true bistatic radars - radars where the transmitter and receiver are in different locations bistatic radar application Electronic Warfare and Radar Systems Engineering Handbook - Two-Way Radar Equation (Bistatic).

Radar Cross Section Measurements is a valuable source for professional people needing reference material on the measurement of RCS targets both indoors and outdoors. It will be especially useful to aerospace engineers and scientists working with modern radar systems.

Chapter 11 Radar Cross Section (RCS) In this chapter, the phenomenon of target scattering and methods of RCS RCS measurements in the frequency region, where the target Near field RCS, bistatic RCS, and RCS measurements in the Rayleigh region will not be considered since their treatment falls beyond this book™s inte nded scope.

This paper presents a simple and practical method and measurement results of transformation by using the idea of array-factor for direct far-field prediction from the near-field data of antenna and RCS in cylindrical scanning system.

When radiation pattern of an antenna or scattering pattern of radar cross-section (RCS) is measured, its characteristics is usually evaluated in the far-field area. KEYCOM’s product line of radars includes Radar Test Systems (RTS) to evaluate distance accuracy or output, Radar Alignment Systems (RAS) to help you adjust the alignment of radars, and Radar Cross Section (RCS) measurement systems to measure RCS of.

In the 's there was tremendous interest in adapting the compact range for radar cross-section measurements. Originally conceived as a method for testing X and Ku band fire control radars, there had to be significant changes in the compact range in order to make it.

This paper presents a first-principles algorithm for estimating a target’s far-field radar cross section (RCS) and/or far-field image from extreme near-field linear (1- D) or planar (2-D) SAR measurements, such as those collected for flight-line diagnostics of aircraft signatures.

Tilting the receive end wall of a compact range anechoic chamber to improve Radar Cross-Section (RCS) measurements has been a tool of the trade used since the earliest days of anechoic chambers.

A preliminary analysis using geometrical optics (GO) validates this technique. Overview of an image-based technique for predicting far-field radar cross section from near-field measurements Abstract: For the last 18 years, our group has been developing a variety of near-field-to-far-field transformations (NFFFTs) for predicting the far-field (FF) RCS of targets from monostatic near-field (NF) measurements.

Bistatic radar cross sections of targets are computed from field measurements on a cylindrical scan surface placed in the near field of the target.

The measurements are carried out in a radio anechoic chamber with an incident plane-wave field generated by a compact-range reflector. Radar cross-section (RCS) is a measure of the magnitude of the scattered electromagnetic wave from a body relative to the magnitude of the wave incident on the body.

To many people RCS is synonymous with stealth. Stealth technology has become an integral part of all military systems since it was first employed in the s.

ADS Classic is now deprecated. It will be completely retired in October Please redirect your searches to the new ADS modern form or the classic mpcs.online info can be found on our blog.

Three-dimensional radio frequency imaging techniques have been developed for a variety of near-field applications, including radar cross-section imaging, concealed weapon detection, ground penetrating radar imaging, through-barrier imaging, and nondestructive evaluation.

These methods employ active radar transceivers that operate at various frequency ranges covering a wide range, from less. A physical optics based method is presented for calculation of monostatic Radar Cross-Section (RCS) of a shell-shaped projectile.

The projectile is modeled using differential geometry. The paper presents a detailed analysis procedure for RCS formulation using physical optics (PO) method. The shortcomings of the PO method in predicting accurate surface current density near the shadow boundaries Author: Mohammad Asif Zaman, Md.

Abdul Matin.Digital radio frequency memory (DRFM) jamming is difficult to eliminate if it enters a radar system from the main lobe.

A novel processing scheme for radar using linear frequency modulation waveform is proposed to accomplish target detection in asynchronous false target scenarios in accordance with the incoherent characteristic of the jamming signals.A – “Dynamic Radar Cross Section And Radar Doppler Measurements Of Commercial General Electric Windmill A – “Bistatic RCS Measurements Of An AMC-Sample Planar Near-Field Range Measurements.