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Joint Helmet-Mounted Cueing System : ウィキペディア英語版
Helmet-mounted display

:''For non-aviation applications, see Head-mounted display
A helmet-mounted display (HMD) is a device used in some modern aircraft, especially combat aircraft. HMDs project information similar to that of head-up displays (HUD) on an aircrew’s visor or reticle, thereby allowing them to obtain situation awareness and/or cue weapons systems to the direction his head is pointing. Applications which allow cuing of weapon systems are referred to as helmet-mounted sight and display (HMSD) or helmet-mounted sights (HMS). These devices were created first by South Africa, then the Soviet Union and followed by the United States.
==Requirement==
Aviation HMD designs serve these purposes:
*using the head angle as a pointer to direct air-to-air and air-to-ground weapons seekers or other sensors (e.g., radar, FLIR) to a target merely by pointing his head at the target and actuating a switch via HOTAS controls. In close combat prior to HMDs, the pilot had to align the aircraft to shoot at a target. HMDs allow the pilot to simply point his head at a target, designate it to weapon and shoot.
*displaying targeting and aircraft performance information (such as airspeed, altitude, target range, weapon seeker status, "g", etc.) to the pilot while "heads-up", eliminating the need to look inside the flightdeck.
*displaying sensor video for the purpose of:
*
*verification that the chosen sensor has been cued to the right target or location without requiring the pilot to look inside the flightdeck
*
*viewing outside terrain using sensor video in degraded visual conditions.
HMD systems, combined with High Off-Boresight (HOBS) weapons, results in the ability for aircrew to attack and destroy nearly any target seen by the pilot. These systems allow targets to be designated with minimal aircraft maneuvering, minimizing the time spent in the threat environment, and allowing greater lethality, survivability, and pilot situational awareness.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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