Can we determine low frequencies from high frequencies?
28 mins 37 secs,
162.61 MB,
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Description: |
Demanet, L (MIT)
Thursday 15 December 2011, 16:00-16:30 |
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Created: | 2011-12-19 11:10 |
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Collection: | Inverse Problems |
Publisher: | Isaac Newton Institute |
Copyright: | Demanet, L |
Language: | eng (English) |
Distribution: | World (downloadable) |
Explicit content: | No |
Aspect Ratio: | 16:9 |
Screencast: | No |
Bumper: | UCS Default |
Trailer: | UCS Default |
Abstract: | Data usually come in a high frequency band in wave-based imaging, yet one often wishes to determine large-scale features of the model that predicted them. When is this possible? Both the specifics of wave propagation and signal structure matter in trying to deal with this multifaceted question. I report on some recent progress with Paul Hand and Hyoungsu Baek. The answers are not always pretty. |
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