| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,505,595,372 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
aperture |
Also found in: Medical, Wikipedia, Hutchinson | 0.06 sec. |
apertureAn orifice. It often refers to an opening in which light is allowed to pass in optical systems such as cameras and lasers. See f-stop and numerical aperture. aperture Physics a. a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it b. the diameter of such an opening How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
On the back side of the equipment rack, a conveyor belt driven by a stepper motor was used to deliver marbles to a feeder tube connected to the reinforcement aperature (clown's mouth). The ProPak-LBplus is powered by NovAtel's OEM4-G2 receiver - a small, high performance, dual frequency GPS engine featuring patented Pulse Aperature Correlator (PAC) multipath reduction technology. Among the mission systems displayed on the EADS North America AAAA exhibit are the HELLAS obstacle avoidance and cable warning system for helicopters, the MiSAR miniature all-weather synthetic aperature radar for helicopters and tactical unmanned aerial vehicles, and the Mini-FLITS (minimized front-line integrated test system) from Racal Instruments, a Test and Services business unit of EADS North America Defense. |
| Encyclopedia |
| Free Tools: |
For surfers:
Browser extension |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|