azimuth and elevation
11Solar elevation angle — The solar elevation angle is the elevation angle of the sun. That is, the angle between the directionof the sun and the (idealized) horizon. It can be calculated, to a good approximation, using thefollowing formula::, sin heta mathrm{s} = cos h… …
12APG-63 and APG-70 — AN/APG 63 and AN/APG 70 are designations for a family of all weather multimode radar systems designed by Hughes Aircraft (now Raytheon) for the F 15 Eagle air superiority fighter, providing the Eyes of the Eagle .These X band pulse doppler radar… …
13Microwave landing system — The NASA 737 research aircraft on the Wallops runway in 1987 with the Microwave Landing System equipment in the foreground. A microwave landing system (MLS) is an all weather, precision landing system originally intended to replace or supplement… …
14AN/FPS-16 — manned space program and the U.S. Air Force. The accuracy of Radar Set AN/FPS 16 is such that the position data obtained from point source targets has azimuth and elevation angular errors of less than 0.1 milliradian (approximately 0.006 degree)… …
15Indirect fire — means aiming and firing a projectile in a high trajectory without relying on a direct line of sight between the gun and its target, as in the case of direct fire. Aiming is performed by calculating azimuth and elevation angles, and may include… …
16radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
17Zhuk radar — Zhuk Zhuk ME Antenna at MAKS 2007 Country of origin Russia Type Slotted Planar/PESA/AESA …
1812-inch coast defense mortar — The coast defense mortar was a massive weapon of 12 inch caliber emplaced during the 1890s and early 1900s to defend U.S. harbors from seaborne attack. In 1886 when the Endicott Board set forth its plan for upgrading the coast defenses of the… …
19artillery — /ahr til euh ree/, n. 1. mounted projectile firing guns or missile launchers, mobile or stationary, light or heavy, as distinguished from small arms. 2. the troops or the branch of an army concerned with the use and service of such weapons. 3.… …
20MIM-23 Hawk — PAR Pulse Acquisition Radar The pulse acquisition radar is a long range, high altitude search radar.* AN/MPQ 35 (Basic Hawk)The search radar used with the basic HAWK system, with a radar pulse power of 450 kW and a pulse length of 3 µs, a Pulse… …
