The aircraft has a radar stealth function, because the shape of the body and the material can effectively weaken what
So the answer is: enhanced; weakened; is equal to; 3 × 108
the propagation velocity of electromagnetic wave in vacuum is 3 × 108m / s; the propagation velocity of light in vacuum is 3 × 108m / s; the size is equal
the modern "stealth aircraft" has been able to avoid the radar detection, the reason is that its surface made of special shape, this shape can reduce the reflection of electromagnetic waves, while the surface of the stealth aircraft has a layer of special materials, this The material can enhance the absorption of the magnetic waves by the radar, and the radar can not judge the front object according to the reflected electromagnetic waves
