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The Control Of Electromagnetic Scattering By Impedance Loading
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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 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 Active Radar Cross Section Reduction by : Hema Singh
Download or read book Active Radar Cross Section Reduction written by Hema Singh and published by Cambridge University Press. This book was released on 2015-03-02 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the active and passive radar cross section (RCS) estimation and techniques to examine the low observable aerospace platforms. It begins with the fundamentals of RCS, followed by the dielectric, magnetic and metamaterials parameters of the constituent materials and then explains various methods and the emerging trends followed in this area of study. The RCS estimation of phased array including the mutual coupling effect is also presented in detail in the book. The active RCS reduction is carefully touched upon through the performance of phased arrays, sidelobe cancellers and mitigation of multipath effect. Providing information on various adaptive algorithms like least mean square (LMS), recursive least square (RLS) and weighted least square algorithms, the authors also mention the recent developments in the area of embedded antennas, conformal load bearing antenna, metamaterials and frequency selective surface (FSS) based RCS reduction.
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 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1966-02 with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Control of Radar Cross Sections with Voltage-variable Impedances by : Benjamin B. Gorr
Download or read book The Control of Radar Cross Sections with Voltage-variable Impedances written by Benjamin B. Gorr and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Continuation of the Investigation of Multi-frequency Radar Reflectivity and Radar Target Identification by : D. L. Moffatt
Download or read book Continuation of the Investigation of Multi-frequency Radar Reflectivity and Radar Target Identification written by D. L. Moffatt and published by . This book was released on 1975 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes research during the period July 1, 1974 to June 30, 1975 under the contract on two technical objectives of the Air Force: improved detection and discrimination of radar targets and reduction of nonspecular scattering by wing geometries. The report is contained in two main sections. The first section outlines methods for deducing the complex natural resonances of arbitrary radar targets and the use of these resonances via predictor-correlator processing for detection and discrimination. Illustrative examples of both natural resonance extraction and discrimination are given for aircraft targets. The second section of the report summarizes the analysis of a loaded two-dimensional wind model for horizontal polarization. Hybrid techniques combining moment methods and the geometrical theory of diffraction are used and the loading consists of surface impedance patches. Examples of reduction of the nonspecular cross section are given. A 'folded dipole' like antenna is used as an alternate mechanism for controlling edge diffracted fields.
Book Synopsis Substituted Perinaphthenyl Anion Radicals by : Tapan K. Mukherjee
Download or read book Substituted Perinaphthenyl Anion Radicals written by Tapan K. Mukherjee and published by . This book was released on 1965 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improved Method for Quantum-mechanical Three-body Problems by : Leonard Eyges
Download or read book Improved Method for Quantum-mechanical Three-body Problems written by Leonard Eyges and published by . This book was released on 1965 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The quantum-mechanical ground-state problem for three identical particles bound by attractive inter-particle potentials is discussed. For this problem it has previously been shown that it is advantageous to write the wave function in a special functional form, form which an integral equation which is equivalent to the Schrodinger equation was derived. In this paper a new method for solving this equation is presented. The method involves an expansion of a two-body problem with a potential of the same shape as the inter-particle potential in the three-body problem, but of enhanced strength.
Book Synopsis Ozone Absorption in the 9.0 Micron Region by : Shepard Anthony Clough
Download or read book Ozone Absorption in the 9.0 Micron Region written by Shepard Anthony Clough and published by . This book was released on 1965 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The absorption of ozone in the 9.0 micron region of the infrared spectrum, due to transitions from the ground state to the v1 and v3 states, has been studied. This report gives the numerical results of an anlysis of the spectrum including transition frequencies and perturbed intensities ordered by quantum number and by frequency. Calculated and observed special contours are included.
Book Synopsis Microwave Dielectric Resonators by : Sally J. Nauman
Download or read book Microwave Dielectric Resonators written by Sally J. Nauman and published by . This book was released on 1965 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The resonant frequencies for the fundamental modes in circular cylindrical and rectangular parallelopiped high dielectric resonators have been calculated by computer for a range of values of physical dimensions and relative dielectric constant. The frequency range extends from zero to 50,000 Mc/sec, the relative dielectric constant from 50 to 1800, and physical dimensions from zero to 500 mils. Results are presented in tabular and graphical form with frequency plotted versus resonator length for parametric values of relative dielectric constant and cross sectional dimensions. A brief review of earlier work with high dielectric resonators is included. Expressions for the resonant frequency and fundamental mode field configurations are given. (Author).
Book Synopsis Form of the Electron Distribution Function in a Time-varying Plasma by : Robert J. Papa
Download or read book Form of the Electron Distribution Function in a Time-varying Plasma written by Robert J. Papa and published by . This book was released on 1965 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Nighttime Ionosphere and Its Reaction Rates by : William Swider (Jr.)
Download or read book A Study of the Nighttime Ionosphere and Its Reaction Rates written by William Swider (Jr.) and published by . This book was released on 1965 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Nonlinear Interaction of a Radio-frequency Wave with an Inhomogeneous Plasma Slab by : Robert J. Papa
Download or read book The Nonlinear Interaction of a Radio-frequency Wave with an Inhomogeneous Plasma Slab written by Robert J. Papa and published by . This book was released on 1965 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cavity Resonances in Accelerated Systems by : E. J. Post
Download or read book Cavity Resonances in Accelerated Systems written by E. J. Post and published by . This book was released on 1965 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: