File Name: surface acoustic wave devices in telecommunications modelling and simulation .zip
Surface acoustic waves SAWs are electro-mechanical waves that form on the surface of piezoelectric crystals. Because they are easy to construct and operate, SAW devices have proven to be versatile and powerful platforms for either direct chemical sensing or for upstream microfluidic processing and sample preparation.
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This book is intended to give an overview on the latest SAW technologies such as design and simulation of resonator-based devices employing the SH-type leaky SAW. Although various theoretical backgrounds relevant for simulation and design techniques are explained in detail the mathematics of the description was kept as simple as possible. Le vocabulaire des philosophies de l'Inde.
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This book is intended to give an overview on the latest SAW technologies such as design and simulation of resonator-based devices employing the SH-type leaky SAW. Although various theoretical backgrounds relevant for simulation and design techniques are explained in detail the mathematics of the description was kept as simple as possible. The Transformation of International Environmental Law. Cette machine tue les fascistes. La Rose et l'Edelweiss - Ces ados qui combattaient le nazisme Wine interview - Conversational guide : Guide de conversation, English-French.
The device performances in terms of quality factor Q-factor and electromechanical coupling coefficient k 2 were determined from the measure S 11 parameters. The dispersion curve of the SAW phase velocity was analyzed, and the experimental results showed a good agreement with simulations. The temperature behaviors of the devices were also presented and discussed. In recent years, there have been growing demands for surface acoustic waves SAWs strain sensors in structural health monitoring SHM due to its potential applications in wireless and passive measurements. Furthermore, another strain sensor based on a one-port SAW resonator using quartz was investigated by Stoney [ 3 ]. Yet constraints such as mass, volume, and bonding techniques often limit the usage of SHM sensors in practical applications.
The proper control of structural parameters can suppress unwanted responses caused by other modes without deteriorating the coupling factor. The large value of SH SAW and suppression of unwanted responses have highly promising applications in developing ultrawideband and tunable SAW filters. Surface acoustic wave SAW devices are widely used in mobile phones and various modern consumer telecommunication systems [ 1 ]. A high electromechanical coupling factor is suitable for the design of ultrawideband SAW filters [ 2 — 4 ]. By properly controlling structural parameters, unwanted responses caused by other modes can be suppressed without deteriorating the coupling factor.
Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Wilson Published Engineering. Surface acoustic wave SAW technology can be used to create a variety of different sensors, including strain, chemical, pressure, and temperature.
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Although the existence of the surface acoustic wave (SAW) was first dis cussed in Modelling and Simulation ISBN ; Digitally watermarked, DRM-free; Included format: PDF; ebooks can be used on all reading devices.