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Questions and Answers
What is the final part of beamforming in ultrasound called?
What does the summer in ultrasound beamforming integrate?
Why is the step involving the summer crucial in ultrasound beamforming?
What is enhanced by the summer in ultrasound beamforming?
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How does the summer in ultrasound beamforming enhance the image resolution?
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What happens to echo voltages after amplification and digitizing?
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What functions are accomplished by the echo voltages passing through digital delay lines?
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What initial processing steps do echo voltages undergo before passing through digital delay lines?
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Which aspect of signal processing ensures the dynamic focus in reception?
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In the signal processing method described, what is the purpose of digitizing the echo voltages?
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Study Notes
Echo Delays and Beamforming
- Echo voltages are amplified and digitized before passing through digital delay lines to achieve reception dynamic focus and steering functions.
- Digital delay lines play a crucial role in beamforming by facilitating the reception dynamic focus and steering functions.
Beamforming and Image Formation
- The final stage of beamforming is performed by the summer, which integrates signals from individual channels into a cohesive image.
- The summer combines focused echoes from different transducer elements, resulting in enhanced image resolution and clarity.
- The signals are aligned and summed in the summer to produce a high-quality image.
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Description
This quiz covers the use of digital delay lines in echo delays for reception dynamic focus and steering functions. Learn about the role of echo voltages in digital signal processing and its applications.
