碳水化合物
发表于 2025-3-23 11:11:52
Book 1975y 4-7, 1975. The title of this symposium differs from that of the first four by the addition of the word "Imaging", reflecting an increase in emphasis on nonholographic methods of acoustical visualization. For convenience, no change has been made in the title of this published series. The 38 papers
ascend
发表于 2025-3-23 15:24:10
Auditory and Vestibular Researchs. Selected clinical results, including in vivo images of several near term fetuses, are presented and discussed. Finally, we comment on through-transmission acoustical holography as a modality for soft tissue diagnosis.
Outwit
发表于 2025-3-23 20:22:02
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改进
发表于 2025-3-24 00:08:17
Margaret C. Harvey,Bernd H. A. Sokolowskins within the tissue specimen with a resolution of 64 by 64 elements (< 2 mm square), The disadvantage of TOF reconstruction is that transmission scanning is required. Advantages over B- and C-scan imaging are: 1) dynamic changes in gain of receiver are not required, 2) attenuation occurs on only on
Mast-Cell
发表于 2025-3-24 05:37:17
Subjective Preferences for Sound Fieldshese techniques through the use of a fast analog and digital computer interface to obtain realtime and stop-action imaging is treated. Examples of images produced by these algorithms, the time requirements of various algorithms as determined by the computation speeds of present and anticipated digit
Extemporize
发表于 2025-3-24 07:37:15
Applications (III) – Noise Measurementwill present and discuss two schemes for implementing the PST approach. A key element in each of the schemes is an acousto-optic transducer which is activated by a light pattern. Scanning can be achieved either electronically or mechanically by putting the light pattern into motion. Focusing can be
Cryptic
发表于 2025-3-24 12:02:25
Problemanalyse: Technischer Vertrieb, The returning signals are first processed to generate a Doppler C-scan, and the area displayed is summed to estimate A.. The signals returning to each element are also summed, and the centroid of the Doppler power spectrum indicates .. The second implementation directly measuring A. uses a linear a
Nutrient
发表于 2025-3-24 15:33:19
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Mercantile
发表于 2025-3-24 19:09:25
Front Mattering the ocean, fragmentation of the items already present would continue for years to come. The term microplastics has only been in popular usage for a decade and while many questions remain about the extent to which they could have harmful effects, the solutions to reducing this contamination are a
Atrium
发表于 2025-3-25 03:04:17
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