Diffusion approximation in space-time geometrical optics
β Scribed by S.M. Golynski
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 541 KB
- Volume
- 163
- Category
- Article
- ISSN
- 0378-4371
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract A multiple input, multiple output (MIMO) diffuse optical communications link is implemented and evaluated using a 2 Γ 2 Alamoutiβtype spaceβtime coding scheme to increase link performance beyond that of single input, single output (SISO) and multiple input, single output (MISO) systems.
Brain extracellular space (ECS) constitutes a porous medium in which diffusion is subject to hindrance, described by tortuosity, lambda = (D/D\*)1/2, where D is the free diffusion coefficient and D\* is the effective diffusion coefficient in brain. Experiments show that lambda is typically 1.6 in no