antenna beam steering
11Phase shift module — A phase shifter is a microwave network which provides a controllable phase shift of the RF signal [Microwave Solid State Circuit Design, 2nd Ed., by Inder Bahl and Prakash Bhartia, John Wiley Sons, 2003 (Chapter 12)] [RF MEMS Theory, Design and… …
12PAVE PAWS — Coverage of PAVE PAWS is shown in blue. This complements the coverage provided by the BMEWS system in red. Both report back to Cheyenne Mountain Air Base in Colorado …
13Phased array — This article is about general theory and electromagnetic phased array. For the ultrasonic and medical imaging application, see phased array ultrasonics. In wave theory, a phased array is a group of antennas in which the relative phases of the… …
14Electronically scanned array — An electronically scanned array (ESA), or a phased array, offers many advantages over mechanically scanned antennas such as instantaneous beam scanning, the availability of multiple concurrent agile beams and concurrently operating radar modes.… …
15Degrees of freedom (mechanics) — In mechanics, degrees of freedom (DOF) are the set of independent displacements and/or rotations that specify completely the displaced or deformed position and orientation of the body or system. This is a fundamental concept relating to systems… …
163D radar — provides for radar coverage on three dimensions unlike the more common 2D radar. While the normal 2D radar provides range and azimuth, the 3D radar provides elevation information with range and azimuth. Applications include weather forecasting,… …
17Arecibo Observatory — Arecibo Radio Telescope Organization SRI International, NSF, Cornell University Location …
18Cobra Mist — Location map Cobra Mist was the codename for an Anglo American experimental over the horizon radar station at Orford Ness, Suffolk, England (grid reference …
19B-1 Lancer — Infobox Aircraft name = B 1 Lancer type = Strategic bomber national origin = United States manufacturer = North American Rockwell Rockwell International Boeing caption = A B 1B Lancer in flight. designer = first flight = 23 December 1974… …
20S-300 — Infobox Weapon name=S 300 Family NATO reporting name: SA 10 Grumble, SA 12 Giant/Gladiator, SA 20 Gargoyle caption= A single S 300 PM missile TEL ready to fire. Photo by Naval Expeditionary Warfare Training. origin=flag|Soviet Union type= long… …
