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Using Signal Subtraction Operation to Suppress Electro-Acoustic Leakage in Ultrasonic Low-Frequency Dual Element Transducers
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DOI: https://doi.org/10.15866/irece.v8i6.13521
Abstract
It was shown that the use of complex modulated signals with subsequent multi-rate radio engineering processing of ultrasound echo-signals allows the creation of new methods for ultrasonic non-destructive inspection that are inaccessible for conventional devices. An example of using an ultrasonic multifunctional adaptive measuring complex demonstrates the possibility of creating a method for suppressing the parasitic signal of electro-acoustic leakage in low-frequency dual-element transducers by means of a multi-rate signal processing algorithm including the simplest signal subtraction operation.
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