2010
DOI: 10.1002/9780470561478
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Basics of Biomedical Ultrasound for Engineers

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Cited by 238 publications
(229 citation statements)
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“…Then, the plane waves were rotated around the point placed behind the transducer as shown in Figure 3 [21,22]. Thus, a transmit To enhance the quality of images generated from unfocused FT-XR, a dynamic transmit focusing (DTxF) method was applied to reconstruct 2-D imaging planes by utilizing coherent angular compounding [20][21][22][23]. Figure 3 presents a geometrical description of the coherent angular compounding imaging applied in the simulation.…”
Section: Methodsmentioning
confidence: 99%
“…Then, the plane waves were rotated around the point placed behind the transducer as shown in Figure 3 [21,22]. Thus, a transmit To enhance the quality of images generated from unfocused FT-XR, a dynamic transmit focusing (DTxF) method was applied to reconstruct 2-D imaging planes by utilizing coherent angular compounding [20][21][22][23]. Figure 3 presents a geometrical description of the coherent angular compounding imaging applied in the simulation.…”
Section: Methodsmentioning
confidence: 99%
“…To reduce the computational complexity of performing the simulations, a simplified model based on the convolution of the incident wave with the set of delta functions is an alternative approach [38], which was demonstrated to provide a realistic description of the backscattered signals [38][39][40][41]. For this reason, the simplified model was selected and the detailed simulation procedures are described below.…”
Section: Simulation Modelmentioning
confidence: 99%
“…Pela Lei de Snell, quando uma onda se propaga por um meio e se depara com outro meio com propriedades acústicas diferentes, parte desta energia será refletida e parte será transmitida [112].…”
Section: -40unclassified
“…Fonte: [117] A resolução lateral (RL) está relacionada com a largura do feixe acústico, frequência do feixe e a densidade da linha de escaneamento [112] MΩ.cm a 25ºC. Esta diluição da gelatina em água exige um aquecimento até a mistura atingir 70º C para dispersar os coloides tornando a mistura homogênea e liberar gases aprisionados na solução [120].…”
Section: -44unclassified
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