isotropic source
1Isotropic radiation — has the same intensity regardless of the direction of measurement, and an isotropic field exerts the same action regardless of how the test particle is oriented. It radiates uniformly in all directions from a point source sometimes called an… …
2Isotropic radiator — An isotropic radiator is a theoretical point source of waves which exhibits the same magnitude or properties when measured in all directions. It has no preferred direction of radiation. It radiates uniformly in all directions over a sphere… …
3Point source — For other uses, see Point source (disambiguation). A point source is a single identifiable localized source of something. A point source has negligible extent, distinguishing it from other source geometries. Sources are called point sources… …
4Photon diffusion equation — is a second order partial differential equation describing the time behavior of photon fluence rate distribution in a low absorption high scattering medium.Its mathematical form is as follows. abla(D(r)cdot abla)Phi(vec{r},t) vmu… …
5ANI — nucl. abbr. Annular Isotropic Source abbr. Automatic Number Identification comp. abbr. Automatic Number Identification acronym Automatic Number Identification (see also: CLID) (Telephony) …
6Radiative transfer equation and diffusion theory for photon transport in biological tissue — Photon transport in biological tissue can be equivalently modeled numerically with Monte Carlo simulations or analytically by the radiative transfer equation (RTE). However, the RTE is difficult to solve without introducing approximations. A… …
7cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
8solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
9Antenna (radio) — Whip antenna on car …
10fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
