synchronous tracking
51Sensor Web — The Sensor Web is a type of sensor network or geographic information system (GIS) that is especially well suited for environmental monitoring and control. The term describes a specific type of sensor network: an amorphous network of spatially… …
52Secondary surveillance radar — SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Secondary surveillance radar (SSR)[1] is a radar system used in air traffic control (ATC), that not only detects an …
53SystemVerilog — In the semiconductor and electronic design industry, SystemVerilog is a combined Hardware Description Language and Hardware Verification Language based on extensions to Verilog. SystemVerilog was created by the donation of the Superlog language… …
54Technology & Engineering Emmy Award — Infobox award name = Technology and Engineering Emmy Award imagesize = 165px caption = Technology and Engineering Emmy Award description = Outstanding achievement in technical or engineering development presenter = ATAS/NATAS country = USA year …
55On-Board Data Handling — The On Board Data Handling (OBDH) subsystem of a spacecraft is the subsystem which carries and stores data between the various electronics units and the ground segment, via the Telemetry, Tracking and Command (TTC) subsystem. In the earlier… …
56Robert Weber (astronomer) — Robert Weber was an American astronomer who ran the precursor to the LINEAR project shortly before his retirement in 1996. Data were collected by manually entering telescope pointing positions and requesting an image save. Searching twenty fields …
57History of virtual learning environments — A virtual learning environment (VLE) is a system that creates an environment designed to facilitate teachers in the management of educational courses for their students, especially a system using computer hardware and software, which involves… …
58Wide-field Infrared Survey Explorer — (WISE) WISE prior to its mission into orbit …
59History of virtual learning environments 1990s — In the history of virtual learning environments, the 1990s was a time of growth, primarily due to advent of the affordable computer and of the Internet.1990s1990* Formal Systems Inc. of Princeton, NJ, USA introduces a DOS based Assessment… …
60Badr-B — Infobox Spacecraft Name = Badr B Organisation = SUPARCO Mission Type = Earth Observation Satellite Satellite Of = Earth Launch = December 10 2001, 17:19 UT Carrier Rocket = Zenit 2 NSSDC ID = 2001 056C Webpage = Mass = 68.0 kg Power = Orbital… …
