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- W2106711494 abstract "Ultrasonic transducer is a key in ultrasonic equipment. The amplitude and efficiency of High-power ultrasonic transducer are two major performance indices that should be detected. Because of ultrasonic wave's high vibration frequency, high enough sampling rate and data transmission rate should be achieved to obtain the actual vibration information by which the performance of transducers can be analyzed and evaluated. The ultrasonic transducer performance detection system discussed in this paper is based on LabVIEW software, and its data acquisition module and data transmission module are designed jointly by using FPGA, high-speed ADC and USB2.0 chip. Firstly, the system acquires ultrasonic wave signals by a piezoelectric acceleration sensor, and then converts the obtained signals to digital signals. Secondly, the digital signals are transmitted to PC via USB2.0, and analyzed in both time domain and frequency domain. Lastly, we compute parameters such as maximum amplitude, average amplitude and others which can help us evaluate ultrasonic transducer’s performance. During the research of this system, we mainly solve two problems. One is the data transmission between LabVIEW and USB2.0 device, and the other one is how to compute and evaluate performance indices. Proved by the use of some factories, this system can objectively evaluate ultrasonic transducer’s efficiency and stability in energy conversion. The system copes with the situation where no such test equipment exists in home industry." @default.
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- W2106711494 date "2009-01-01" @default.
- W2106711494 modified "2023-09-26" @default.
- W2106711494 title "System of Ultrasonic Transducer Performance Detection Based on Virtual Instrument and USB 2.0 Interface Technology" @default.
- W2106711494 doi "https://doi.org/10.1109/embeddedcom-scalcom.2009.68" @default.
- W2106711494 hasPublicationYear "2009" @default.
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