| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Half Power Beam Width | Weather | The HPBW is the angular width between the two directions of the microwave radiometer antenna at which the main beam gain function is one-half its maximum value within a plane containing the maximum gain of the main beam lobe. The HPBW may also be the physical size of the projection of that angle at the location where the measurement is taken. (HPBW). (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||