high frequency ultrasonic transducer
HiFFUTs for high temperature ultrasound
... Two high temperature HiFFUTs are designed, fabricated and tested in this ...resonance frequency of the (0,0) mode around 75 kHz, satisfying the high frequency ultrasound ...flexural ...
6
High frequency ultrasonic characterization of carrot cell texture
... the frequency response of a sample varies along the length of the ...different transducer coupling is also likely to be a strong factor in ...total frequency response of the ...
33
A pipe organ-inspired ultrasonic transducer
... a high TVR/RFR gain, but a large bandwidth, so that the device can operate over a large frequency ...rich frequency content, such as chirps, as used in the animal world (see Maurello et ...
22
Design of a High Frequency Driving Circuit of Surface Acoustic Wave Transducer
... a high frequency driving circuit of surface acoustic wave trans- ducer has been designed to separate oil from oil/water mixed ...transmission frequency of the surface acoustic wave transducer ...
6
An Approach to Designing a Dual Frequency Piezoelectric Ultrasonic Transducer
... dual frequency piezoelectric ultrasonic transducer having longitudinal vibrations for high power ...nance frequency equations of the transducer in the half-wave and the all-wave ...
11
Ultrasonic Park Controller
... An ultrasonic transducer is a device that converts energy into ultrasound, or sound waves above the normal range of human ...an ultrasonic transducer that converts mechanical energy in the ...
24
Optimization Design of Phased Array Ultrasonic Transducer Arrays
... the ultrasonic wave to modulate the low frequency sound signal to be transmitted to the ultrasonic frequency band and then the ultrasonic wave emitted by the ultrasonic ...
6
High frequency measurement of ultrasound using flexural ultrasonic transducers
... flexural ultrasonic transducer can be undertaken through different techniques including laser Doppler vibrometry (LDV) or with an acoustic ...measure high frequency ultrasound waves is ...
8
A Non-planar CMUT Array for Automotive Blind Spot Detection
... complex high frequency ultrasonic imaging applications like medical diagnostic ...narrow ultrasonic beam from the non-planar capacitive micromachined ultrasonic transducer (CMUT) ...
114
IMPLMENTATION OF ZOOM FFT IN ULTRASONIC BLOOD FLOW ANALYSIS
... a high frequency ultrasonic wave in the blood vessels through the ...receiver transducer has different frequency due to Doppler principal ...the frequency spectrum because of the ...
6
High frequency ultrasonic assisted mass transfer for water batch reactor
... A high frequency ultrasonic system was fabricated using a piezoelectric ...the ultrasonic piezoelectric transducer with ...to ultrasonic waves. The ultrasonic ...
6
The Experiment of Acoustic Levitation and the Analysis by Simulation
... a high-frequency piston vibration gener- ated by the radiation end of the ultrasonic transducer [3], forming a sound field in the medium, and placing a reflection end on the acoustic wave ...
7
Ultrasonic transducer attenuation behavior of fiber glass composite laminates (FGCL) through signal filtering approach
... After signal acquisition, the next research step was signal filtering as a part of signal pre-processing phase. In this step, three types of signal filtering has been applied which is smoothing, Butterworth filter and ...
5
PubMedCentral-PMC5300895.pdf
... transmission frequency (1–3 MHz). Miniaturization of the lower frequency transducer can be achieved by utilizing the lateral excitation mode in developed ...[36–38]. Transducer arrays have ...
32
Non-Intrusive Liquid Level Detection System
... a transducer unit to interact with the liquid level being ...measured. Ultrasonic devices emit electromagnetic energy in order to detect the level of the liquid at that ...as Ultrasonic, does not ...
24
A theoretical model of an ultrasonic transducer incorporating spherical resonators
... Each model showed good agreement and illustrated that the device’s performance was highly depen- dent on the parameters of the backplate. It is therefore important to consider an array of resonators to ascertain if their ...
25
3D Reconstruction of Surface Topography using Ultrasonic Transducer
... During ultrasonic testing, waves of low amplitude are propagated through such a material so as to measure either or both the time travel and any change occuring in the intensity over a set ...the ultrasonic ...
6
Apparatus and method for driving an ultrasonic transducer
... an ultrasonic acoustic transducer. The transducer is operable in two modes; in a first mode, the lock-in frequency of the transducer is determined; in a second mode, the lock-in ...
17
Pulsed electromagnet EMAT for high temperature applications
... eter of 25 mm is obtained by laser-cutting the alumina substrate sheet (50 mm x 50 mm x 0.5 mm), and bonded to the EMAT coil applying a layer of the alumina-based ceramic adhesive between them and covering the outer ...
199
Focusing system for an ultrasonic transducer
... hemisphere piezoelectric crystal having a non-uniform beam width and a better lateral resolution than the plane transducer due to reduced beam width in the foc... Objective of Research T[r] ...
36