Topology optimization of patch-typed left-handed metamaterial configurations for transmission performance within the radio frequency band based on the genetic algorithm

2012 ◽  
Vol 14 (10) ◽  
pp. 105101 ◽  
Author(s):  
Yanzhang Dong ◽  
Shutian Liu
Keyword(s):  
Genetic Algorithm ◽  
Topology Optimization ◽  
Radio Frequency ◽  
Frequency Band ◽  
Transmission Performance ◽  
Left Handed

Progress on the Development of NbZr Radio Frequency Band Reject Filters

1984 ◽  
pp. 149-157
Author(s):  
J. J. Hudak ◽  
C. G. Gardner ◽  
A. Harvey ◽  
M. Alper ◽  
D. Cotte
Keyword(s):  
Radio Frequency ◽  
Frequency Band

Multi-factor product authentication using integrated Quick Response (QR) code pixelated antenna

2017 ◽  
Vol 2017 (1) ◽  
pp. 000608-000612
Author(s):  
John Doroshewitz ◽  
Amanpreet Kaur ◽  
Jeffrey Nanzer ◽  
Premjeet Chahal
Keyword(s):  
Genetic Algorithm ◽  
Radio Frequency ◽  
Design Process ◽  
Patch Antenna ◽  
Microstrip Patch Antenna ◽  
Antenna Design ◽  
Qr Code ◽  
Quick Response ◽  
Microstrip Patch

Abstract A Quick Response (QR) Code style antenna is presented. Such an antenna can provide two-level authentication, both optically through the current QR technology, plus a radio frequency (RF) signature from microstrip patch antenna designed from the QR signature using copper patterning. The antenna is designed through the pixilation of a patch antenna where conductor is present in the dark regions of the optical QR code. The QR based antenna design has a unique frequency and radiation signature and can be used for RF authentication of products. The design process for the pixilation is presented as well as fabrication and measured results of a QR code antenna design. The possibility of using a Genetic Algorithm to create a “library” of acceptable antenna results in accordance with the QR data it represents is also discussed.

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