In this study, a thin resisti¨e sheet is wrapped around a ( ) three-layered skin, fat, muscle elliptical model, and the shielding effect is calculated using the method of moments which applies the equi¨alent resisti¨e approximation.
✦ LIBER ✦
Improved zoning rule for designing square Fresnel zone plate lenses
✍ Scribed by I. V. Minin; O. V. Minin; A. Petosa; S. Thirakoune
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 182 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0895-2477
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
An improved zoning rule is presented for designing a square Fresnel zone plate lens (FZPL). This new rule results in a higher gain when the FZPL is used as an antenna element or can enhance the focusing properties of the square FZPL when used to collimate an incident plane wave. The derivation of this improved zoning rule is presented along with simulated results for some typical cases. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 276–278, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22108
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