2002 IEEE MTT-S International Microwave Symposium Digest (Cat. No.02CH37278)
DOI: 10.1109/mwsym.2002.1011706
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Wireless IDT ice sensor

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Cited by 8 publications
(4 citation statements)
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“…Among all these techniques, the ultrasonic approach based on acoustic wave propagation in solids is considered to be one of the most attractive, as it is usually characterized by a fast response, high sensitivity, small size, and low energy consumption. For example, the ultrasonic technique has already been used for measuring ice thickness [ 23 ] and the water/ice phase transition using surface acoustic waves (SAWs) [ 24 , 25 , 26 ] and waves with a shear-horizontal polarization [ 27 , 28 , 29 , 30 , 31 ]. On the other hand, Lamb waves propagating in plates and possessing a variety of sensing properties have not yet been exploited for the same measurements, because it was thought that, having large normal displacement components, these waves would radiate into the adjacent medium (liquid) too strongly and attenuate along the propagation path too fast.…”
Section: Introductionmentioning
confidence: 99%
“…Among all these techniques, the ultrasonic approach based on acoustic wave propagation in solids is considered to be one of the most attractive, as it is usually characterized by a fast response, high sensitivity, small size, and low energy consumption. For example, the ultrasonic technique has already been used for measuring ice thickness [ 23 ] and the water/ice phase transition using surface acoustic waves (SAWs) [ 24 , 25 , 26 ] and waves with a shear-horizontal polarization [ 27 , 28 , 29 , 30 , 31 ]. On the other hand, Lamb waves propagating in plates and possessing a variety of sensing properties have not yet been exploited for the same measurements, because it was thought that, having large normal displacement components, these waves would radiate into the adjacent medium (liquid) too strongly and attenuate along the propagation path too fast.…”
Section: Introductionmentioning
confidence: 99%
“…Para sensores interrogables a distancia (inalámbricos) algunos ejemplos son: Reindl et al [145] reportan un sensor de temperatura, presión, torque, corriente eléctrica y, además, presenta la teoría y el principio de operación de los transpondedores SAW; Li et al reportan un sensor inalámbrico de presión y temperatura [146]; Schimetta et al describen un sensor de presión inalámbrico con la finalidad de monitorear la presión de los neumáticos en un automóvil [147]; Jungwirth et al reportan un sensor de presión de precisión [148]; la empresa Senseor comercializa un sensor de temperatura interrogable a una distancia máxima de 5 metros [149], entre otros. Por otro lado, las posibles aplicaciones en las que un sensor SAW conectado en una configuración local han sido muy estudiadas: Reeder y Cullen reportan un sensor de presión y temperatura [150]; Bao reporta un sensor de temperatura [151]; Jose et al reportan un detector de hielo basado en SAW [152]; como sensores químicos en los que se mide la presencia de un compuesto por el cambio de masa en una película sensible [153,154,155] y, también, se han utilizado dispositivos SAW para hacer sensores mecánicos como acelerómetros [156,157,158,159,160]; Jose y Varadan et al presentan un prototipo de giroscopio [161,162] y Liu lo retoma y lo modifica para hacerlo sensible en dos ejes en lugar de uno [163]; sólo por mencionar algunos ejemplo. Como se puede observar, la aplicación de la tecnología SAW en la instrumentación ha sido utilizada ampliamente; sin embargo, la combinación de ondas SAW con los sistemas microelectromecánicos (MEMS) podría potenciar la aplicación de las SAW en la instrumentación.…”
Section: Antecedentesunclassified
“…MODIS captures images of the entire Earth using spectral bands ranging in wavelength from 0.4µm to 14.4µm, at different spatial resolutions. The last optical method used for the detection of ice is based on ultrasonic waveguides [3,7,16], that are structures which guide waves, such as electromagnetic or sound. Ultrasonic guided waves can recognizes water or ice since the amplitude of the A0 mode Lamb wave is influenced by water loading and ice formation on the surface of the aluminum plate of the waveguide.…”
Section: State Of the Artmentioning
confidence: 99%