?????????????LDC???????????????PPG??????????????????????????????У?PPG??????????????????????????????????????????e??????????????????????????С??????????????????к????????????豸??

??????????????????????????????????University of Pavia????????????????????????????PPG?????????????е??о???????????о?????????PPG?????????·????????????????????????Σ??????????LED??????????????????PI?????????????????α???????????????????ü?????δ????????????????????????????????????????????????о??????“Advances in PPG Sensors Data Acquisition with Light-to-Digital Converters: A Review”???????IEEE Sensors Journal??????

?1????PPG?????ε???????????????о???????????????????PPG??????????????????????????????PD??????????????????????????????顣????????????о?????????????????????????????????????????????TIA???????????????????2??????TIA?????????????????3????

?1 PPG?????ε????????

?2 ???????TIA??????????????PPG????????

?3 ??????TIA??????????????PPG????????

PPG????????????????????????????????????????????????????????????????????????????????????????????Щ?????????????????α???Motion artefacts????????????Optical cross-talk?????????????Biological differences????LED??????????????Power consumption of LEDs and driving block??????????????????Low Perfusion Index????

?????????????PPG????????????????????PD??????????顣???????????????????顢TIA????????????????ADSC??????????????????ADC???????????????ɡ?

?4 ???TIA??a???????????TIA??b??????

?5??a????????????PD??PPG?????PD??PPG????????????????spider chart??????????????????????????????????????????????е??????????????5??b???????????DC??????PPG???????????????????????????????DC??????PPG?????????????????????ADC??

?5 ?????????PPG??????????????

???????????????о?????????????????????????????·????????Σ????о???PPG???????????????????????????????檔?????????????????????α????????????????????????????????????????????LED??????????????????????????????????????????80%???????????о??????????????????????????????????????????????????????????????????????????????о???PPG?е?????????????δ??????????????????PPG??????????????????????????????????????м???????????в????????????????С???????????????????????????????????????????????????????????????????????????????????????????AI?????????????????????????????????????????

?????????https://doi.org/10.1109/JSEN.2024.3420170

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??????????г???????-2022?桷

??С???????о???????????????г?-2020?桷

??????????????г?-2023?桷

????????????????????г?-2022?桷

???????????????????????????г?-2022?桷??