Optical Doppler tomography based on a field programmable gate array
| Autor: | Lars Thrane, Henning Engelbrecht Larsen, Finn Pedersen, Peter Andersen, Ronnie Thorup Nilsson, Thomas Martini Jørgensen |
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| Rok vydání: | 2008 |
| Předmět: |
Signal processing
Digital signal processor medicine.diagnostic_test Computer science business.industry Health Informatics Computer Science::Hardware Architecture symbols.namesake Analog signal Optical coherence tomography Signal Processing medicine symbols Optical Doppler Tomography Hardware_ARITHMETICANDLOGICSTRUCTURES Field-programmable gate array business Doppler effect Digital signal processing Computer hardware |
| Zdroj: | Biomedical Signal Processing and Control. 3:102-106 |
| ISSN: | 1746-8094 |
| DOI: | 10.1016/j.bspc.2007.11.001 |
| Popis: | We report the design of and results obtained by using a field programmable gate array (FPGA) to digitally process optical Doppler tomography signals. The processor fits into the analog signal path in an existing optical coherence tomography setup. We demonstrate both Doppler frequency and envelope extraction using the Hilbert transform, all in a single FPGA. An FPGA implementation has certain advantages over general purpose digital signal processor (DSP) due to the fact that the processing elements operate in parallel as opposed to the DSP, which is primarily a sequential processor. |
| Databáze: | OpenAIRE |
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