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Saturday, July 18, 2020 | History

2 edition of Target signature modeling and bistatic scattering measurement studies found in the catalog.

Target signature modeling and bistatic scattering measurement studies

Target signature modeling and bistatic scattering measurement studies

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  • 25 Currently reading

Published by Ohio State University, Electroscience Laboratory, Dept. of Electrical Engineering in Columbus, Ohio .
Written in English

    Subjects:
  • Scattering (Physics) -- Measurement.

  • Edition Notes

    StatementW.D. Burnside ... [et al.].
    SeriesNASA-CR -- 186611., NASA contractor report -- NASA CR-186611.
    ContributionsBurnside, Walter Dennis, 1942-, United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15358647M

    Due to the scattering diversity of a radar target, the target spatial and frequency scattering response will exhibit many scattering nulls. Once a radar site falls into a null of the target response, target echo signal will be too weak to be detected, until the radar site goes out of the null, due to target moving or changes to other carrier Cited by: A Study of Target Variability and Exact Signature Reproduction Requirements for Ka-Band Radar Data R.H. Giles∗a, W.T. Kersey a, M.S. McFarlinb, R. Finleyc, H.J. Neilsond, W.E. Nixond a University of Massachusetts Lowell, Submillimeter-Wave Technology Laboratory (STL) Cabot Street, Lowell, Massachusetts

    Because this is a bistatic radar, the range-Doppler map above actually shows the target range as the arithmetic mean of the distances from the transmitter to the target and from the target to the receiver. Therefore, the expected range of the first target is approximately 10 km, ((15+5)/2) and for second target approximately 25 km, ((35+15)/2). Kingdom to measure simultaneous multistatic and multimodal micro-Doppler signatures of various targets, including humans and flying UAVs. Signatures were gathered using a network of sensors consisting of a CW monostatic radar operating at 10 GHz (X-band) and an ultrasound radar with a monostatic and a bistatic channel.

    In general, bistatic scattering is well known for being non-reciprocal, however for bistatic specular scattering it is symmetric. The above result also has simplifying implications for polarization represented in other basis, such as the circular polarization basis. In this case the basis vectors l and r are (see Ulaby, F. & Elachi, C., ):File Size: KB. the target signature. Three steps are implemented to realize the goal: investigat-ing Fourier reconstruction methods, sparse representation and processing the real measurement. MATLAB is used in both early stage simulation and measurement process. The entire measurements are performed by RISE Research Institutes of SwedenAB,SPElektronikwith77 Author: Bo Zhi Bao, Tingting Liu.


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Target signature modeling and bistatic scattering measurement studies Download PDF EPUB FB2

Get this from a library. Target signature modeling and bistatic scattering measurement studies: semi-annual report. [W D Target signature modeling and bistatic scattering measurement studies book Ames Research Center.

University Affairs Office.; Ohio State University. ElectroScience Laboratory.;]. Get this from a library. Target signature modeling and bistatic scattering measurement studies. [W D Burnside; United States. National Aeronautics and Space Administration.;].

Modeling of the Bistatic Scattering by a Group of Cylinders studies on a first hand, and which radar configurations maximise the difference between the amplitude of the cross-polarized. Measurement Procedure [4] Several aligning methods based either on electrical measurements [Newell and Hindman, ] or on optical techniques [Demas, ; Pierce and Liang, ] can bea low cost option was chosen by using a single laser diode as a pointer to align both the target and the antennas with the additional help of mirrors Cited by:   The maximum-likelihood technique is applied to determine the coordinates of moving targets in a three-dimensional bistatic forward-scattering radar.

The potential accuracy of the coordinates’ determination is estimated. Simulation results are by: 3. The radar cross section of a target is the fictitious area intercepting that amount of power which, when scattered equally in all directions, produces an echo at the radar equal to that from the target.

There are two types of radar scattering: monostatic and bistatic. Monostatic scattering is more common. In monostatic scattering the field source (e.g., radar beam) and the.

Validation through comparison: Measurement and calculation of the bistatic radar cross section of a stealth target L. Gu¨rel and H. Bag˘cØ Department of Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey J.

Castelli, A. Cheraly, and F. TardivelCited by: Parametric scattering center models match to radar scene attributes, aiding in automatic target recognition (ATR) and scene visualization.

In this paper, we develop parametric models of. week target scattering experiment was conducted jointly with MIT and NURC in an area 50 m off the pier in Marciana Marina, in Elba Italy. A number of different targets types were buried or placed on the bottom.

The dome moved from target to target using lift bags. Figure 3 shows the sphere and cylinder type targets inside the measurement cage. Extension of the Target Scattering Vector Model to the Bistatic Case Lionel Bombrun To cite this version: Lionel Bombrun.

Extension of the Target Scattering Vector Model to the Bistatic Case. IEEE International Geoscience and Remote Sensing Symposium (IGARSS ), JulHonolulu, Hawaii, United States. pp.4, HAL Id. A novel scheme for extracting the global scattering center model of radar targets is proposed in this paper.

The 2D/3D scattering center models can be reconstructed based on the wideband measurements at different viewing angles. The sphere spreading of the 1D scattering center projections is by: 1. Three-Body Scattering Signatures in Polarimetric Radar Data.

MATTHEW KUMJIAN, JOSEPH PICCA, SCOTT GANSON, ALEXANDER RYZHKOV, AND DUSAN ZRNIĆ. National Severe Storms Laboratory and Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, Oklahoma.

A model is presented for bistatic scattering from ocean sediments. It treats scattering due to both roughness of the seabed and volume inhomogeneities within the sediment.

Accordingly, the scattered intensity is assumed to be a sum of two terms, one proportional to the roughness-scattering cross section and the other proportional to the volume-scattering cross by: The modeling of complex target response in SAR imagery is the main subject of this paper.

The analysis of a large database of SAR images with polarimetric and interferometric capabilities is used to accurately establish how the different structural parts of targets interact with the incident signal.

This allows to relate the reflectivity information provided by SAR images with specific Cited by: CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Parametric scattering center models match to radar scene attributes, aiding in automatic target recognition (ATR) and scene visualization.

In this paper, we develop parametric models of canonical shapes for bistatic synthetic aperture radar (SAR). We generalize geometric theory of diffraction. Ref. 18– Equivalence theorems principally apply monostatic models to bistatic scattering by using the bistatic look angle in place of the monostatic look angle.

These theorems are typically more concerned with the total radar cross section of a complex target, rather than the returns of individual scatterers. Germond Ref. 21 derives. [1] Bistatic radar cross section (BRCS) values of a stealth airborne target are predicted by performing both scaled‐model measurements and numerical simulations.

In order to achieve the solution of large‐scale electromagnetic problems in the numerical simulation environment, the fast multipole method (FMM) is implemented and by: Bistatic Scattering Fig.

2 shows results of comparison of the BISTATIC surface scattering strength for wind speeds from m/s to 20 m/s at an acoustic frequency of Hz. We can see that the shadowing factor improved the agreement at low grazing angles between the Chapman-Harris model with forward scattering lobe and the SESSS model.

Title: A Novel Bistatic Scattering Matrix Measurement Technique Using a Monosta tic Radar - Antennas and Propagation, IEEE Transactions on Author.

Ref. 18 Equivalence theorems principally apply monostatic models to bistatic scattering by using the bistatic look angle in place of the monostatic look angle.

These theorems are typically more concerned with the total radar cross section of a complex target, rather than the returns of individual scatterers. Germond Ref. 21 derives. Scattering Vectors and Matrices Summary Chapter 6.

Scatter Measurements and Instrumentation Particle Scatter Modeling Techniques and Accomplishments Model Availability Summary Chapter 7. Instrumentation and Measurement Issues Scatterometer Components Instrument Signature.maciej soja: electromagnetic models of bistatic radar scattering from rough surfaces with gaussian correlation function 1 N OMENCLATURE Here, the basic nomenclature is presented and it is valid throughout this report unless mentioned otherwise.Radar Target Modelling Based on RCS Measurements Författare Author Andreas Wessling Sammanfattning Abstract When simulating target seekers, there is a great need for computationally efficient, target models.

This report considers a study of radar target modelling based on Inverse Synthetic Aperture Radar (ISAR) measurements of generic aircraft.