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Showing 1 - 12 of 15 results for “hema singh”
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  • Low Radar Cross Section HIS-Based Phased Array

    Radiation and Scattering Analysis

    by Hema Singh, Avinash Singh ...
    The design and development of low radar cross section (RCS) phased array has been a challenging subject in stealth technology. The frequency selective surface elements act as absorbers in specific frequency band and facilitate gain enhancement and reduction of antenna RCS. This book presents a comprehensive EM design and analysis of such low-profile patch arrays with high impedance surface-based ... Read more

    $88.99 USD

  • Probe Suppression in Conformal Phased Array

    by Hema Singh, Mausumi Dutta, P. S. Neethu ...
    Series series Engineering (R0)
    This book considers a cylindrical phased array with microstrip patch antenna elements and half-wavelength dipole antenna elements. The effect of platform and mutual coupling effect is included in the analysis. The non-planar geometry is tackled by using Euler's transformation towards the calculation of array manifold. Results are presented for both conducting and dielectric cylinder. The optimal ... Read more

    $49.49 USD

  • Radar Cross Section of Dipole Phased Arrays with Parallel Feed Network

    by Hema Singh, H. L. Sneha, Rakesh Mohan Jha ...
    Series series Engineering (R0)
    This book presents the detailed analytical formulation for the RCS of parallel-fed linear dipole array in the presence of mutual coupling. The radar cross section (RCS) of an object represents its electromagnetic (EM) scattering properties for a given incident wave. The analysis of scattered field is critical in military and defence arenas, especially while designing low-observable platforms. It ... Read more

    $49.49 USD

  • Scattering Cross Section of Unequal Length Dipole Arrays

    by Hema Singh, H. L. Sneha, Rakesh Mohan Jha ...
    Series series Engineering (R0)
    This book presents a detailed and systematic analytical treatment of scattering by an arbitrary dipole array configuration with unequal-length dipoles, different inter-element spacing and load impedance. It provides a physical interpretation of the scattering phenomena within the phased array system. The antenna radar cross section (RCS) depends on the field scattered by the antenna towards the ... Read more

    $49.49 USD

  • Parallel-Fed Planar Dipole Antenna Arrays for Low-Observable Platforms

    by Hema Singh, Chandini R., Rakesh Mohan Jha ...
    Series series Engineering (R0)
    This book focuses on determination of scattering of parallel-fed planar dipole arrays in terms of reflection and transmission coefficients at different levels of the array system. In aerospace vehicles, the phased arrays are often in planar configuration. The radar cross section (RCS) of the vehicle is mainly due to its structure and the antennas mounted over it. There can be situation when the ... Read more

    $49.49 USD

  • Plasma-based Radar Cross Section Reduction

    by Hema Singh, Simy Antony, Rakesh Mohan Jha ...
    Series series Engineering (R0)
    This book presents a comprehensive review of plasma-based stealth, covering the basics, methods, parametric analysis, and challenges towards the realization of the idea. The concealment of aircraft from radar sources, or stealth, is achieved through shaping, radar absorbing coatings, engineered materials, or plasma, etc. Plasma-based stealth is a radar cross section (RCS) reduction technique ... Read more

    $49.49 USD

  • Active Cancellation of Probing in Linear Dipole Phased Array

    by Hema Singh, N. Bala Ankaiah, Rakesh Mohan Jha ...
    Series series Engineering (R0)
    In this book, a modified improved LMS algorithm is employed for weight adaptation of dipole array for the generation of beam pattern in multiple signal environments. In phased arrays, the generation of adapted pattern according to the signal scenario requires an efficient adaptive algorithm. The antenna array is expected to maintain sufficient gain towards each of the desired source while at the ... Read more

    $49.49 USD

  • EM Wave Propagation Analysis in Plasma Covered Radar Absorbing Material

    by Hema Singh, Harish Singh Rawat, Simy Antony ...
    Series series Engineering (R0)
    This book focuses on EM propagation characteristics within multilayered plasma-dielectric-metallic media. The method used for analysis is impedance transformation method. Plasma covered radar absorbing material is approximated as a multi-layered dielectric medium. The plasma is considered to be bounded homogeneous/inhomogeneous medium. The reflection coefficient and hence return loss is ... Read more

    $49.49 USD

  • Low Profile Conformal Antenna Arrays on High Impedance Substrate

    by Hema Singh, R. Chandini, Rakesh Mohan Jha ...
    Series series Engineering (R0)
    This book presents electromagnetic (EM) design and analysis of dipole antenna array over high impedance substrate (HIS). HIS is a preferred substrate for low-profile antenna design, owing to its unique boundary conditions. Such substrates permit radiating elements to be printed on them without any disturbance in the radiation characteristics. Moreover HIS provides improved impedance matching, ... Read more

    $49.49 USD

  • EM Design and Analysis of Dipole Arrays on Non-planar Dielectric Substrate

    by Hema Singh, R. Chandini, Rakesh Mohan Jha ...
    Series series Engineering (R0)
    This book presents a simple and systematic description of EM design of antenna arrays. Printed dipole antennas are known to be simple yet more efficient than wire antennas. The dielectric substrate and the presence of ground plane affect the antenna performance and the resonant frequency is shifted. This book includes the EM design and performance analysis of printed dipole arrays on planar and ... Read more

    $49.49 USD

  • RCS Estimation of Linear and Planar Dipole Phased Arrays: Approximate Model

    by Hema Singh, Rakesh Mohan Jha, R. Chandini ...
    Series series Engineering (R0)
    In this book, the RCS of a parallel-fed linear and planar dipole array is derived using an approximate method. The signal propagation within the phased array system determines the radar cross section (RCS) of phased array. The reflection and transmission coefficients for a signal at different levels of the phased-in scattering array system depend on the impedance mismatch and the design parameters ... Read more

    $49.49 USD

  • Optimization of Multilayered Radar Absorbing Structures (RAS) using Nature Inspired Algorithm

    by Vineetha Joy, Vishal G. Padwal, Hema Singh, Raveendranath U. Nair ...
    Stealth technology is a crucial pre-requisite in the combat zone, where swiftness, surprise and initiative are the decisive elements for survivability. The supreme goal here is to reduce the visibility of military vehicles by shaping, application of radar absorbing materials, passive cancellation, active cancellation etc. With respect to multilayered radar absorbing structures (RAS), this book ... Read more

    $67.99 USD