Grating lobe

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Grating lobes  Lobes of ultrasonic energy radiating at various angles relative to the main lobe They only exist in array transducers(side lobes exist in all transducers), and only in the plane of the array Grating lobes result from the fine regular spacing of the crystal elements, so that the array acts like a diffraction grating Read more about Grating lobe[…]

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