defendant 发表于 2025-3-23 09:50:20

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分期付款 发表于 2025-3-23 16:21:43

https://doi.org/10.1007/978-3-540-70982-4eiver, an electronic reference, and a modulated light source which is moved in synchronism with the acoustical receiver. A photographic transparency is produced which serves as the hologram for reconstruction of the acoustic field in the optical domain. A second method employs a liquid surface to re

CESS 发表于 2025-3-23 21:24:20

,Konsequenzen für die Zulieferindustrie,ical imaging to obtain three-dimensional images of opaque objects as encountered in nondestructive testing. Equipment was fabricated to make acoustical holograms of objects in water. Acoustical holograms were recorded by mechanically scanning an acoustical point transducer over the water’s surface i

Embolic-Stroke 发表于 2025-3-24 00:51:39

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monogamy 发表于 2025-3-24 03:39:22

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tangle 发表于 2025-3-24 09:03:13

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nerve-sparing 发表于 2025-3-24 12:59:28

,Pessinunt. Die phrygischen Königsgräber,. In this fashion an acoustic beam of rectangular cross section shows up as a rectangular patch of light on a screen. Silhouettes of paper clips and other objects placed in the path of the beam can be imaged and made to appear as sharply delineated dark regions within the patch. If we place in the b

Emasculate 发表于 2025-3-24 15:06:30

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专横 发表于 2025-3-24 19:30:22

,Neue Rollen für Medienforscher/innen,nonlinear effects set in. These can be responsible for amplitude as well as phase distortions of the primary interfering waves. The present chapter discusses quantitatively the magnitude of the phase distortion introduced by the second-order effects of wave-wave interaction for a system of two monoc

disrupt 发表于 2025-3-25 02:16:04

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查看完整版本: Titlebook: Acoustical Holography; Volume 1 Proceedings A. F. Metherell,H. M. A. El-Sum,Lewis Larmore Conference proceedings 1969 Plenum Press 1969 dif