Surface acoustic wave amplitude
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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DIGITALLY-TUNABLE SURFACE ACOUSTIC WAVE RESONATOR
... The results will show inconsistent and rapidly-fluctuating amplitude and phase performance in the vicinity of the center frequency as was discussed previously in section 3.2. This fluctuation is due to a variety ...
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Acoustic Nonlinearity of Surface Wave in a Fatigued Aluminum Alloy Specimen
... the amplitude of the second harmonic frequency is much smaller than the amplitude of fundamental frequency, the receiving transducer having the center frequency near the second harmonic frequency and narrow ...
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Nano Meter Stepping Drive of Surface Acoustic Wave Motor
... same amplitude of the friction driven displacement that was about ...vibration amplitude caused by the elastic deformations were similar quantity at all the time of the stepping ...
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The Design of Surface Acoustic Wave Receiving Circuit Based on Piezoelectric Transducer
... received amplitude could also make a ...instead, amplitude identification method used in acoustic receiving may appear misconception ...signal’s amplitude, automatic gain amplifying circuit ...
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High performance dual-wave mode flexible surface acoustic wave resonators for UV light sensing
... The simulated frequency of 260 MHz of the Lamb wave is larger than 254.3 MHz of the experimental one. The difference between the experimental and simulated results is attributed to the use of the simplified model ...
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Design and manufacture of surface acoustic wave sensors for real time weigh in motion
... application) specifies a number of important parameters (e.g. resonant frequency, amplitude of resonant peak etc.) required of the device to the SAW manufacturer, who then produces a prototype wafer of devices. ...
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Modification of Surface Acoustic Wave (SAW) Sensor Using Zinc Oxide Nanowires
... The ZnO nanowires was characterized by using PAN analytical X’Pert Pro X-ray diffractometer with Cu Kα radiation at λ = 1.5406. The x-ray diffraction (XRD) pattern was recorded in the range of 20° to 60° operating at 45 ...
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Comparative study on microfluidic performance of ZnO surface acoustic wave devices on various substrates
... the wave path, demonstrating that the acoustic energy is almost completely coupled into the ...signal amplitude and less insertion loss are desirable as more acoustic energy and large force ...
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Selective excitation of localized spin-wave modes by optically pumped surface acoustic waves
... spin wave modes in ferromagnetic nanostructures using surface acoustic ...spin wave modes of the nanowires, and acoustic modes of the substrate, and we observe that when the frequencies ...
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Flexible surface acoustic wave respiration sensor for monitoring obstructive sleep apnea syndrome
... From the results shown above, it appears that the shift of resonant frequency of the flexible SAW sensors seems not being particularly suitable as an OSAS monitoring parameter. We then investigated the relationship ...
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Extreme call amplitude from near-field acoustic wave coupling in the stridulating water insect Micronecta scholtzi (Micronectinae)
... spherical surface of 50 µm radius which encompasses the site of strigilation, treating the boundary as an acoustic hologram which is continuous with the water domain to omit the consideration of ...
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Highly Sensitive Ball Surface Acoustic Wave Hydrogen Sensor with Porous Pd Alloy Film
... ball surface acoustic wave sensor with porous PdPt alloy ...the amplitude response was proportional to the square root of the concentration, was demonstrated for the fi rst time in the fi eld ...
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Design of Electronic Nose System Using Gas Chromatography Principle and Surface Acoustic Wave Sensor
... distinctive acoustic signal curve from each gas sample due to the specific interactions between the odor and the material located in the chromatography ...four acoustic features obtained from ...
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Surface sediment effects on teleseismic P wave amplitude
... P wave pulse duration, ranging from ...P wave velocity in each layer is taken from the fine-layered Kosarev’s crustal model of Tien Shan region [Kosarev et ...P wave structure of station CHTO is ...
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A Shock-Refracted Acoustic Wave Model for Screech Amplitude in Supersonic Jets
... The streamwise distribution of the acoustic source pressure, as predicted by the present model for the normal shock case (fi1 = 90 deg), is depicted in Fig. 6a for various Mach number[r] ...
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The Cochlear Amplifier is a Surface Acoustic Wave Resonator
... arrangement ideal for launching and detecting surface waves. Translated to the ear, the three rows of outer hair cells (OHCs) are conjectured to be the interdigital transducers. In the simplest (degenerate) SAW ...
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Surface acoustic wave velocity and elastic constants of cubic GaN
... In recent years, the development of solid-state light-emitter technology has attracted much research effort into the group III nitrides. The InGaN-GaN material system has pro- duced efficient light emitting diodes in the ...
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System level modelling of surface acoustic wave strain sensors
... If the substrate is strained by an external load (e.g., in the direction of SAW propagation as shown in Figure 1), the geometry of the electrode structure and the prop[r] ...
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SAW. Surface Acoustic Wave Components for RF Control Systems.
... EPCOS is the successor to Siemens Matsushita Components and manu- factures some 40,000 electronic components, such as capacitors, ceramic components, surface acoustic wave (SAW) componen[r] ...
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