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Some examples are a distributed OBDH (On-Board Data Handling) subsystem, a CPLDs (Complex Programmable Logic Devices), and an optical wireless communication subsystem (OBCom) with a reduced Controller Area Network. Although OPTOS had an intended service life of 1 year, most of its subsystems remained operational for more than 3 years. Body
e Lens of the observer's eye. f Right-angled prism. g Image-erecting prism. A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.
The Saturn V instrument unit is a ring-shaped structure fitted to the top of the Saturn V rocket's third stage ( S-IVB) and the Saturn IB 's second stage (also an S-IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that contained the Apollo Lunar Module. The instrument unit contains the guidance system for the ...
Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia.
Born. 1768. Nationality. Scottish. Known for. invented the Nicol prism, the first device for obtaining plane polarized light. Nicol's house, 12 Inverleith Terrace, Edinburgh. Memorial to William Nicol, Warriston Cemetery. William Nicol FRSE FCS (1768? – 2 September 1851) was a Scottish geologist and physicist who invented the Nicol prism, the ...
15. 18. Website. ADOC Website. The Alabama Department of Corrections ( ADOC) is the agency responsible for incarceration of convicted felons in the state of Alabama in the United States. It is headquartered in the Alabama Criminal Justice Center in Montgomery. [1] [2] Alabama has relatively long mandatory sentencing laws compared to most other ...
Digital room correction (or DRC) is a process in the field of acoustics where digital filters designed to ameliorate unfavorable effects of a room's acoustics are applied to the input of a sound reproduction system. Modern room correction systems produce substantial improvements in the time domain and frequency domain response of the sound ...
PRISM is a code name for a program under which the United States National Security Agency (NSA) collects internet communications from various U.S. internet companies. [1] [2] [3] The program is also known by the SIGAD US-984XN. [4] [5] PRISM collects stored internet communications based on demands made to internet companies such as Google LLC ...