文档介绍：Stealth technology
In the modern war, who has technical superiority, who will win the war
Stealth technology is one of the most important technologies
Stealth fighter
Stealth warship
Stealth tank
What is stealth technology ?
Accurate terms : low detectable(可探测) technique
In the early days, in order to improve the survivability of the aircraft, people make the plane fly higher and faster,such as :
SR-71
U-2
But with the development of the missile, this idea is out of date
During the 1970s, the Department of Defense launched the project to develop a stealth fighter
In 1975 , the first generation of stealth aircraft appeared
F-117
Its radar-cross-section(RCS) is only m ²
Nighthawk(夜鹰)
In 1991, the Gulf War, it slipped into the Iraqi airspace, dropped the first bomb, destroyed Iraq's air defense system mand center
It also participated in the Kosovo war and the Iraq war
Then the third generation :
Then the . Defense Department has developed the second generation of stealth aircraft :
B-2
F-22
F-35
parison we can find how to achieve stealth
Unique shape
1
Wave absorbing materials
2
reduce the heat radiation
3
Is it true that the stealth plane will not be found?
as long as it is close enough, it will be found by radar
Passive radar(无源雷达) can increase the probability of a plane being discovered
NO