elevation scanning

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• scanning — In radar, the motion of the radar antenna assembly when searching for targets. Scanning usually follows a systematic pattern involving one or more of the following: i. In horizontal scanning (or search lighting), the antenna is continuously… …   Aviation dictionary

• scanning monopulse radar — A terrain radar that scans the terrain ahead of the aircraft and determines the elevation the aircraft must follow to clear the ground by the required height. Aircraft at correct height. Aircraft below safe height. Radar indicates need to climb …   Aviation dictionary

• Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …   Wikipedia

• conical scanning — A radar scan pattern in which a point on the radar beam describes a circle at the base of a cone. This type of scan pattern provides both elevation and azimuth data. The radiation pattern of the antenna is made slightly lopsided, and the antenna… …   Aviation dictionary

• Microwave Scanning Beam Landing System — The Microwave Scanning Beam Landing System (MSBLS) is a Ku band approach and landing navigation aid formerly used by NASA s space shuttle. It provides precise elevation, directional and distance data which was used to guide the orbiter for the… …   Wikipedia

• Planar array radar — The planar array radar is a type of radar that uses a high gain planar array antenna. [cite web url=http://www.indianexpress.com/res/web/pIe/ie/daily/19990525/ige25022.html title=INS Mysore to be commissioned in June… …   Wikipedia

• LIDAR — A FASOR used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D2a line and used to excite sodium atoms in the upper atmosphere …   Wikipedia

• Weather radar — in Norman, Oklahoma with rainshaft …   Wikipedia

• Zhuk radar — Zhuk Zhuk ME Antenna at MAKS 2007 Country of origin Russia Type Slotted Planar/PESA/AESA …   Wikipedia

• Microwave 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… …   Wikipedia

• Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …   Wikipedia