Characteristic Modes: Theory and Applications in Antenna by Yikai Chen, Chao-Fu Wang

By Yikai Chen, Chao-Fu Wang

Describes the way to systematically enforce a number of attribute mode (CM) theories into designs of functional antenna systems

This publication examines either theoretical advancements of attribute modes (CMs) and sensible advancements of CM-based methodologies for various serious antenna designs. The booklet is split into six chapters. bankruptcy 1 presents an advent and discusses the hot advances of the CM thought and its functions in antenna engineering. bankruptcy 2 describes the formula of the attribute mode thought for completely electrically accomplishing (PEC) our bodies and discusses its numerical implementations. bankruptcy three provides the CM conception for PEC buildings embedded in multilayered medium and its purposes. bankruptcy four covers fresh advances in CM thought for dielectric our bodies and likewise their purposes. bankruptcy five discusses the CM thought for N-port networks and its purposes to the layout of antenna arrays. eventually, bankruptcy 6 discusses the layout of platform-integrated antenna platforms utilizing attribute modes.

This publication positive factors the following:

  • Introduces attribute mode theories for varied electromagnetic constructions together with PEC our bodies, buildings in multilayered medium, dielectric our bodies, and N-port networks
  • Examines CM purposes in electrically small antennas, microstrip patch antennas, dielectric resonator antennas, multiport antennas, antenna arrays, and platform fastened antenna systems
  • Discusses numerical algorithms for the implementation of the attribute mode theories in laptop code

Characteristic Modes: concept and purposes in Antenna Engineering will support antenna researchers, engineers, and scholars locate new options for his or her antenna layout challenges. 

Show description

Read or Download Characteristic Modes: Theory and Applications in Antenna Engineering PDF

Best & telecommunications books

UMTS Performance Measurement: A Practical Guide to KPIs for the UTRAN Environment

UMTS functionality dimension is a pragmatic consultant that explains how one can determine and degree the most difficulties noticeable in contemporary UMTS dwell networks and may make functionality dimension effects amassed within the UTRAN setting comprehensible for the reader. It presents a basic historical past for day-by-day paintings within the box or lab, masking quite a lot of functionality measurements that support to troubleshoot and optimize the UTRAN atmosphere.

IP Telephony - Deploying Voice-over-IP Protocols

IP (internet protocol) Telephony, enabled by way of softswitches, goes to herald a brand new period in telecommunications. by means of placing voice and knowledge over one IP community, operators can take pleasure in decrease expenses and create new, revenue-generating "multimedia" services.
This helpful reference deals a entire assessment of the expertise in the back of IP telephony and provides crucial details to community engineers, designers and bosses who have to comprehend the protocols and discover the problems inquisitive about migrating the prevailing telephony infrastructure to an IP-based genuine time communique service.
Drawing on huge examine and functional improvement adventure in VoIP from its earliest phases, the authors supply entry to all of the correct criteria and state-of-the-art innovations in one resource.
IP Telephony: Deploying Voice-over-IP Protocols: Assumes a operating wisdom of IP and networking and addresses the technical points of real-time communique over IP. provides a excessive point evaluation of packet media shipping applied sciences, overlaying all of the significant VoIP protocols – SIP, H323 and MGCP info particular options to layout providers for public networks the place endpoints can't be depended on and will be in the back of firewalls. Explores the issues that could come up from incomplete protocol implementations, or architectures optimized for personal networks which fail in a public environment.
This amply illustrated, state-of-the paintings reference instrument might be a useful source for all these fascinated with the sensible deployment of VoIP know-how.

How America Got On-Line: Politics, Markets, and the Revolution in Telecommunications

The telecommunications is the quickest starting to be quarter of the united states economic climate. This interdisciplinary examine of technopolitical economics strains the industry's evolution from the discovery of the phone to the advance of hypercommunications. basic concentration is on AT&T and its opponents.

Information hiding in communication networks: fundamentals, mechanisms, applications, and countermeasures

Describes info Hiding in verbal exchange networks, and highlights their very important matters, demanding situations, traits, and purposes. - Highlights improvement developments and capability destiny instructions of knowledge Hiding- Introduces a brand new type and taxonomy for contemporary info hiding strategies- provides forms of community steganography mechanisms- Introduces a number of instance purposes of data hiding in verbal exchange networks together with a few fresh covert verbal exchange concepts in renowned net prone

Extra resources for Characteristic Modes: Theory and Applications in Antenna Engineering

Sample text

F. Harrington, J. R. Mautz, and H. A. Auda, “Characteristic modes for slots in a conducting plane, TE case,” IEEE Trans. , vol. AP‐35, no. 2, pp. 162–168, Feb. 1987. [41] K. Y. Kabalan, R. F. Harrington, J. R. Mautz, and H. A. Auda, “Characteristic modes for slots in a conducting plane, TM case,” IEEE Trans. , vol. AP‐35, no. 3, pp. 331–335, Mar. 1987. [42] K. Y. Kabalan, A. El‐Hajj, and R. F. Harrington, “Characteristic mode analysis of a slot in a conducting plane separating different media,” IEEE Trans.

Apr. 2001. [59] K. Y. Kabalan, A. El‐Hajj, and A. Rayes, “Electromagnetic penetration through three different dielectric regions separated by two parallel planes perforated with multiple apertures,” Iran. J. Electr. Comput. , vol. 2, no. 1–2, pp. 69–74, Jun. 2003. [60] K. Y. Kabalan, A. El‐Hajj, and R. F. Harrington, “Complete study of electromagnetic coupling between two regions through narrow slot,” in Proceedings of the 1989 URSI International Symposium on EM Theory, Stockholm, Sweden, pp. 422–424, Aug.

The weighting coefficients of all significant modes could be reconstructed with good accuracy even for complex real structures such as mobile phones [195]. As a consequence, the far‐ field decomposition provides a new way to understand the radiation mechanism of antennas with very complicated geometries. 11 Modal Tracking Algorithms Practical wideband CM analysis requires the modes at one frequency to be associated with the modes at another frequency. The association relationships of eigenvectors at two different frequencies are generally determined from the correlation coefficients among the eigenvectors.

Download PDF sample

Rated 4.99 of 5 – based on 36 votes