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:''"Smart Weapon" redirects here. For the weapon systems customized to a single person, see personalized gun.''A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, and to minimize collateral damage.Because the damage effects of explosive weapons decrease with distance due to an inverse cube law, even modest improvements in accuracy (hence reduction in miss distance) enable a target to be attacked with fewer or smaller bombs. Thus, even if some guided bombs miss, fewer air crews are put at risk and the harm to civilians and the amount of collateral damage may be reduced.The advent of precision-guided munitions resulted in the renaming of older bombs "unguided bombs", "dumb bombs", or "iron bombs".==Types==(詳細はmissile guidanceを参照)Recognizing the difficulty of hitting moving ships during the Spanish Civil War,Fitzsimons, Bernard, editor. ''The Illustrated Encyclopedia of 20th Century Weapons and Warfare'' (London: Phoebus, 1978), Volume 10, p.1037, "Fritz-X". the Germans were first to develop steerable munitions, using radio control or wire guidance. The U.S. tested TV-guided (GB-4),Fitzsimons, ''op. cit.'', Volume 10, p.1101, "GB-4". semi-active radar-guided (Bat), and infrared-guided (Felix) weapons.
:''"Smart Weapon" redirects here. For the weapon systems customized to a single person, see personalized gun.''
A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, and to minimize collateral damage.
Because the damage effects of explosive weapons decrease with distance due to an inverse cube law, even modest improvements in accuracy (hence reduction in miss distance) enable a target to be attacked with fewer or smaller bombs. Thus, even if some guided bombs miss, fewer air crews are put at risk and the harm to civilians and the amount of collateral damage may be reduced.
The advent of precision-guided munitions resulted in the renaming of older bombs "unguided bombs", "dumb bombs", or "iron bombs".
==Types==
(詳細はSpanish Civil War,〔Fitzsimons, Bernard, editor. ''The Illustrated Encyclopedia of 20th Century Weapons and Warfare'' (London: Phoebus, 1978), Volume 10, p.1037, "Fritz-X".〕 the Germans were first to develop steerable munitions, using radio control or wire guidance. The U.S. tested TV-guided (GB-4),〔Fitzsimons, ''op. cit.'', Volume 10, p.1101, "GB-4".〕 semi-active radar-guided (Bat), and infrared-guided (Felix) weapons.
抄文引用元・出典: フリー百科事典『 precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, and to minimize collateral damage.Because the damage effects of explosive weapons decrease with distance due to an inverse cube law, even modest improvements in accuracy (hence reduction in miss distance) enable a target to be attacked with fewer or smaller bombs. Thus, even if some guided bombs miss, fewer air crews are put at risk and the harm to civilians and the amount of collateral damage may be reduced.The advent of precision-guided munitions resulted in the renaming of older bombs "unguided bombs", "dumb bombs", or "iron bombs".==Types==(詳細はmissile guidanceを参照)Recognizing the difficulty of hitting moving ships during the Spanish Civil War,Fitzsimons, Bernard, editor. ''The Illustrated Encyclopedia of 20th Century Weapons and Warfare'' (London: Phoebus, 1978), Volume 10, p.1037, "Fritz-X". the Germans were first to develop steerable munitions, using radio control or wire guidance. The U.S. tested TV-guided (GB-4),Fitzsimons, ''op. cit.'', Volume 10, p.1101, "GB-4". semi-active radar-guided (Bat), and infrared-guided (Felix) weapons.">ウィキペディア（Wikipedia）』
■precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, and to minimize collateral damage.Because the damage effects of explosive weapons decrease with distance due to an inverse cube law, even modest improvements in accuracy (hence reduction in miss distance) enable a target to be attacked with fewer or smaller bombs. Thus, even if some guided bombs miss, fewer air crews are put at risk and the harm to civilians and the amount of collateral damage may be reduced.The advent of precision-guided munitions resulted in the renaming of older bombs "unguided bombs", "dumb bombs", or "iron bombs".==Types==(詳細はmissile guidanceを参照)Recognizing the difficulty of hitting moving ships during the Spanish Civil War,Fitzsimons, Bernard, editor. ''The Illustrated Encyclopedia of 20th Century Weapons and Warfare'' (London: Phoebus, 1978), Volume 10, p.1037, "Fritz-X". the Germans were first to develop steerable munitions, using radio control or wire guidance. The U.S. tested TV-guided (GB-4),Fitzsimons, ''op. cit.'', Volume 10, p.1101, "GB-4". semi-active radar-guided (Bat), and infrared-guided (Felix) weapons.">ウィキペディアで「:''"Smart Weapon" redirects here. For the weapon systems customized to a single person, see personalized gun.''A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, and to minimize collateral damage.Because the damage effects of explosive weapons decrease with distance due to an inverse cube law, even modest improvements in accuracy (hence reduction in miss distance) enable a target to be attacked with fewer or smaller bombs. Thus, even if some guided bombs miss, fewer air crews are put at risk and the harm to civilians and the amount of collateral damage may be reduced.The advent of precision-guided munitions resulted in the renaming of older bombs "unguided bombs", "dumb bombs", or "iron bombs".==Types==(詳細はmissile guidanceを参照)Recognizing the difficulty of hitting moving ships during the Spanish Civil War,Fitzsimons, Bernard, editor. ''The Illustrated Encyclopedia of 20th Century Weapons and Warfare'' (London: Phoebus, 1978), Volume 10, p.1037, "Fritz-X". the Germans were first to develop steerable munitions, using radio control or wire guidance. The U.S. tested TV-guided (GB-4),Fitzsimons, ''op. cit.'', Volume 10, p.1101, "GB-4". semi-active radar-guided (Bat), and infrared-guided (Felix) weapons.」の詳細全文を読む
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