There are multiple definitions:
distributed diffusion coefficient(English)
- represents the mean intravoxel diffusion rate
- ADC, MRI, DWI
- Medical imaging
- https://doi.org…55/2020/5091218
digital down conversion(English)
- the frequency band of interest can be effectively moved to the low frequency and reduce the data redundancy by decimation filtering and filter out the signal outside the frequency band of interest, which changes the relationship between the signal frequency and the sampling rate after down-conversion
- Signal analysis, Filtering (of signals), Musculoskeletal system
- https://doi.org…55/2022/1004568
defined daily cost(English)
- refers to national drug price negotiation
- DDD, HER2, NHIC
- Public Health, Pharmacology / pharmaceutics, Economics and health care
- https://doi.org…ubh.2022.944071