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Electromagnetic Scattering From Impedance Strips And Impedance Loaded Conducting Strips
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Book Synopsis Electromagnetic Scattering from Impedance Strips and Impedance-loaded Conducting Strips by : Mark C. Heaton (1LT, USAF.)
Download or read book Electromagnetic Scattering from Impedance Strips and Impedance-loaded Conducting Strips written by Mark C. Heaton (1LT, USAF.) and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Scattering from Impedance Strips and Impedance-Loaded Conducting Strips by : Marck C. Heaton
Download or read book Electromagnetic Scattering from Impedance Strips and Impedance-Loaded Conducting Strips written by Marck C. Heaton and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper investigates the scattering from impedance strips and impedance-loaded conducting strips. The UTd diffraction coefficient for an edge in a conductor is heuristically modified for impedance edges and junctions. Essentially, this is done by scaling the UTD diffraction coefficients according to changes in the geometrical optics field. The new diffraction coefficients are then used to investigate the scattering from impedance strips and impedance- loaded conducting strips. Both uniform and tapered impedances are considered. Results are compared to moment method and physical optics predictions and to measured data. The scattering pattern of a uniform impedance strip was seen to behave as that for a conducting strip, but at a lower level. However, tapering the impedance was seen to significantly decrease the sidelobe levels relative to the main lobe. Also, applying an impedance load to a conducting strip reduced the sidelobe levels. This was most pronounced for loads of tapered impedance. the modified UTD approach accurately predicted the sidelobe levels and locations for the simple impedance strips, and worked fairly well for the impedance-loaded conducting strips. The predictions for all geometries were better near broadside incidence than near edge-on.
Book Synopsis Electromagnetic Scattering from Impedance Strips and Impedance-Loaded Conducting Strips by : Marck C. Heaton
Download or read book Electromagnetic Scattering from Impedance Strips and Impedance-Loaded Conducting Strips written by Marck C. Heaton and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper investigates the scattering from impedance strips and impedance-loaded conducting strips. The UTd diffraction coefficient for an edge in a conductor is heuristically modified for impedance edges and junctions. Essentially, this is done by scaling the UTD diffraction coefficients according to changes in the geometrical optics field. The new diffraction coefficients are then used to investigate the scattering from impedance strips and impedance- loaded conducting strips. Both uniform and tapered impedances are considered. Results are compared to moment method and physical optics predictions and to measured data. The scattering pattern of a uniform impedance strip was seen to behave as that for a conducting strip, but at a lower level. However, tapering the impedance was seen to significantly decrease the sidelobe levels relative to the main lobe. Also, applying an impedance load to a conducting strip reduced the sidelobe levels. This was most pronounced for loads of tapered impedance. the modified UTD approach accurately predicted the sidelobe levels and locations for the simple impedance strips, and worked fairly well for the impedance-loaded conducting strips. The predictions for all geometries were better near broadside incidence than near edge-on.
Book Synopsis Control of Electromagnetic Scattering by Antenna Impedance Loading by : Shi-chuan Lee
Download or read book Control of Electromagnetic Scattering by Antenna Impedance Loading written by Shi-chuan Lee and published by . This book was released on 1974 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The application of impedance loading techniques for the reduction of backscatter from radar targets were studied. The hybrid methods which combine the GTD and the moment method were used to analyze the backscattering from various geometries such as impedance loaded infinite wedge and a two-dimensional wing model. The effect of both the trailing and the leading edge was considered by using a two-dimensional wing model. The edge diffraction source can be considerably reduced over a 3:1 frequency band for the two-dimensional case. The square plate with a loaded slot was analyzed by a wire grid model. The backscatter reduction of the square plate can be achieved at least over a 2:1 frequency band.
Book Synopsis Control of Electromagnetic Scattering from Wing Profiles by Impedance Loading by : J. A. Aas
Download or read book Control of Electromagnetic Scattering from Wing Profiles by Impedance Loading written by J. A. Aas and published by . This book was released on 1975 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: A computational technique has been developed to calculate the electromagnetic scattering from two-dimensional wing profiles loaded by impedance strips. These strips are represented by impedance boundary conditions. This report deals with the parallel electric polarization (TM polarization) while a similar study of the perpendicular polarization is contained in Reference (1). The effect of the impedance loading is studied for different shapes and sizes of the wing, and for different angles of incidence. The last part of the report deals with the relation between two- and three-dimensional scattering. Three-dimensional problems may in certain cases be solved at least approximately from the knowledge of the scattered field in two-dimensional problems. (Author).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Control of Electromagnetic Scattering by Impedance Loading by : J. K. Schindler
Download or read book The Control of Electromagnetic Scattering by Impedance Loading written by J. K. Schindler and published by . This book was released on 1965 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Scattering from a Conducting Strip Loaded by a Dielectric Cylinder by : Maddumage Don Gamini Karunaratne
Download or read book Electromagnetic Scattering from a Conducting Strip Loaded by a Dielectric Cylinder written by Maddumage Don Gamini Karunaratne and published by . This book was released on 1984 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Rigorous UTD Analysis of Electromagnetic Scattering from Resistive Strips and Resistive-loaded Conducting Strips by : Douglas H. Casanova (CAPT, USAF.)
Download or read book A Rigorous UTD Analysis of Electromagnetic Scattering from Resistive Strips and Resistive-loaded Conducting Strips written by Douglas H. Casanova (CAPT, USAF.) and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis IEEE Antennas and Propagation Society International Symposium by : IEEE Antennas and Propagation Society
Download or read book IEEE Antennas and Propagation Society International Symposium written by IEEE Antennas and Propagation Society and published by . This book was released on 1992 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Air Force Research Resumés written by and published by . This book was released on with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Digest by : IEEE Antennas and Propagation Society. International Symposium
Download or read book Digest written by IEEE Antennas and Propagation Society. International Symposium and published by . This book was released on 1991 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Propagation, Scattering and Dissipation of Electromagnetic Waves by : A. S. Ilʹinskiĭ
Download or read book Propagation, Scattering and Dissipation of Electromagnetic Waves written by A. S. Ilʹinskiĭ and published by IET. This book was released on 1993 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at physicists and engineers conducting theoretical research or designing microwave and millimetre-wave devices, this study explores methods of calculating microwave absorption in waveguides, resonators and periodic structures.
Book Synopsis IEEE Antennas and Propagation Society International Symposium by :
Download or read book IEEE Antennas and Propagation Society International Symposium written by and published by . This book was released on 1992 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Asymptotic Scattering of Electromagnetic Waves from an Array of Dielectrically Loaded Conducting Strips by : Lianyu Jin
Download or read book Asymptotic Scattering of Electromagnetic Waves from an Array of Dielectrically Loaded Conducting Strips written by Lianyu Jin and published by . This book was released on 1990 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radar Cross Section Analysis and Control by : Asoke K. Bhattacharyya
Download or read book Radar Cross Section Analysis and Control written by Asoke K. Bhattacharyya and published by Artech House Radar Library (Ha. This book was released on 1991 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference describes techniques for controlling the RCS of targets, provides analytical methods for estimating RCS, develops models for the design of low RCS targets and antennas, and discusses several RCS enhancement techniques.
Download or read book Radio Science written by and published by . This book was released on 1989 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
