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PVS is based on a kernel consisting of an extension of Church's theory of types with dependent types, and is fundamentally a classical typed higher-order logic. The base types include uninterpreted types that may be introduced by the user, and built-in types such as the booleans, integers, reals, and the ordinals.
A cut-open and depotted AN/PVS-5, showing the components of a night-vision device. This device was manufactured in 2nd generation (5A to 5C) and 3rd generation (5D) 1970s second-generation devices featured an improved image-intensifier tube using a micro-channel plate (MCP) [ 21 ] with an S-25 photocathode . [ 11 ]
The AN/PVS-7 is a single tube biocular night vision device.Third-generation image intensifiers are able to be installed and are standard for military night vision. Most newer PVS-7 intensifier tubes are auto-gated to prevent image intensifier damage if exposed to intense light.
AN/PVS-8: Long Range Night Vision Sight [174] AN/PVS-9: Night vision sniperscope [175] Simrad Optronics: AN/PVS-10: Sniper Night Sight (SNS) for the M24 sniper rifle with 8.5x magnification: Litton Industries: AN/PVS-11: Handheld monocular pocketscope: Litton Industries [176] AN/PVS-12: Night vision weapon sight: L3 Technologies [177] AN/PVS-13
Principal variation search (sometimes equated with the practically identical NegaScout) is a negamax algorithm that can be faster than alpha–beta pruning.Like alpha–beta pruning, NegaScout is a directional search algorithm for computing the minimax value of a node in a tree.
The AN/PVS-17 Miniature Night Sight (MNS) is a compact, lightweight and high performance night vision weapon sight. It is in wide use by the US Army Special Forces , and USMC . The AN/PVS-17 is a Generation III Night Vision Device , and uses the OMNI IV MX 10160 3rd generation image intensifier tube, it can also be used as a handheld ...
The AN/PVS-5 is a dual-tube night-vision goggle used for aviation and ground support. It uses second-generation image-intensifier tubes. The United States Army still has PVS-5 on supply but are very rarely used. The AN/PVS-5 is based on the SU-50 which was a first-generation night-vision goggle adapted by the United States Air Force in 1971 ...
The AN/PVS-22, designated as the Universal Night Sight (UNS) is a clip-on night vision sight built off FLIR's MilSight 105 scope. The UNS can be used to engage long-range targets and can handle recoil up to .50BMG. [5] The AN/PVS-22 was originally co-designed by Knight's Armament Company and OSTI Inc. for SOCOM. [6]