surface acoustic wave power
A surface acoustic wave pumped lensless microfluidic imaging system for flowing cell detection and counting
... substrate beside the microfluidic chip. The substrate is further attached on one CIS chip, where the microfluidic channel is aligned over the sensor pixel array so that the shadow images of flow-through cells can be ...
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Flexible surface acoustic wave respiration sensor for monitoring obstructive sleep apnea syndrome
... simultaneously in 2015[8]. Sohn et al. developed a 12-lead smartphone-based ECG acquisition and monitoring system to measure the respiration rate in 2017, which was composed of an analog-to-digital converter, a ...
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Lattice swelling and modulus change in a helium-implanted tungsten alloy: X-ray micro-diffraction, surface acoustic wave measurements, and multiscale modelling
... quasi-‐continuous wave probe beam (532 nm wavelength and 10 mW average power) from the induced sample surface displacement and refractive index ...
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The Design of Surface Acoustic Wave Receiving Circuit Based on Piezoelectric Transducer
... Since sonic sensor’s exciting energy change with energy consumption and the received amplitude could also make a difference. And if ordinary integrated op- erational amplifier is instead, amplitude identification method ...
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Physical properties of metal doped zinc oxide films for surface acoustic wave application
... Two kinds sputtering targets were prepared by mixing with zinc oxide and lithium chloride powders, and zinc oxide and silver nitrate powders where the ratio of dopants was increased from 0 to 10 wt.% by an interval of 2 ...
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Acoustic Nonlinearity of Surface Wave in a Fatigued Aluminum Alloy Specimen
... the acoustic nonlinearity in surface waves has been known from former researches, 25) and it has been found to be similar to the acoustic nonlinearity in longitudinal ...harmonic wave is ...
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Design of a High Frequency Driving Circuit of Surface Acoustic Wave Transducer
... With the development of industry and the advancement of science and technol- ogy, ultrasonic technology has been widely developed and used. Ultrasonic technology has long been gradually integrated into people’s daily ...
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Design, manufacture, modelling and testing of surface acoustic wave strain sensors
... passive, a broadcasting unit is required for interrogation. In order to avoid problems with licensing bandwidth, it is useful to use unlicensed parts of the spectrum. In Europe, two suitable unlicensed bands (the ...
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DIGITALLY-TUNABLE SURFACE ACOUSTIC WAVE RESONATOR
... As with DC1, the same analysis can be performed with multiple frequencies. The results, as predicted, show less consistency. In this case the standard deviation of the phase is approximately 6.9° during a similar run of ...
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Characterization of Acoustic Sources by Optical Feedback Interferometry
... the acoustic pressure on the transparent medium refractive index ...reflective surface are set in a fixed position while the acoustic wave crosses the laser beam and the change in refractive ...
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Wireless surface acoustic wave sensors for displacement and crack monitoring in concrete structures
... Surface acoustic wave (SAW) devices are a class of wireless sensor which require no batteries, as they operate on wireless power. By utilising radio-frequency identification (RFID) technology, ...
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Study of Surface Acoustic Wave Sensor
... ABSTRACT: Surface acoustic wave (SAW) sensors are a class of Micro Electro Mechanical System (MEMS), which rely on the modulation of the surface acoustic waves to sense a physical ...
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Design and manufacture of surface acoustic wave sensors for real time weigh in motion
... The initial inputs to the system are the SAW sensor specifi- cations. These describe the sensors’ behaviour both as a wire- less, passive device and as a strain sensor. The wireless, pas- sive measurement capabilities ...
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A Bioparticle Separator based on Dielectrophoretic Integrated with Acoustic Force: Design and Simulation
... generate surface acoustic ...generated acoustic force depending on both density and comprehensibility of particles and medium by adjusting the places of IDTs in two sides of the microchannel and ...
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Engineering silver nanostructures for surface acoustic wave humidity sensors sensitivity enhancement
... smooth surface, unless some special technique applied, such as ion beam ...The surface morphology and chemistry of the metal colloids in the chemical solutions are important factors for controlling the ...
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Modification of Surface Acoustic Wave (SAW) Sensor Using Zinc Oxide Nanowires
... biosensor. Surface acoustic wave (SAW) device which widely used in telecommunication field had been remodeled as biosensor which able to detect the microorganism in aqueous ...
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Gradient Term Filtering for Stable Sound Propagation with Linearized Euler Equations
... Acoustic perturbation equations (APE) 8 are another class of sound propagation equations that are derived from the Navier-Stokes equations using acoustic velocity components in the convective terms, and by ...
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Touch Screen Technologies
... The Surface Acoustic Wave (SAW) technology is one of the most advanced Touch Screen types. The technology is based on two transducers (transmitting and receiving) placed on both X and Y axis on the ...
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Particle sensor using solidly mounted resonators
... the acoustic wave propagation through the bulk of the material across the crystal and the particle displacement are both in the same direction, normal to the sensor ...standing wave is created inside ...
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Development of Surface Acoustic Wave Electronic Nose using Pattern Recognition System
... The paper proposes an effective method to design and develop surface acoustic wave (SAW) sensor array-based electronic nose systems for specific target applications. The paper suggests that before ...
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