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光学寻的制导三、红外点源寻的制导2.“中心零”测角系统早期的红外点源寻的器例如“响尾蛇”9A至9N导弹的红外寻的器都采用“中心零”测角系统。图1(a)是“响尾蛇”AIM—9B导弹的寻的器位标器结构示意图和它的调制盘。从中可见,在导弹头部的寻的器最前端有一个透光罩2,由线包组成的弹壳1将头罩与寻的器底鹰24构成寻的器的壳子。在底座上装有万向支架22(参见上期图1),在万向支架内环上装有硫化铅(PbS)光敏电阻21,它的导线从中间通孔接到底座的前置放大器上。
Optical Seeking Guidance Third, the infrared point source to find guidance 2. “Center Zero” goniometry Early infrared point source Seek for example, “Diamondbacks” 9A to 9N missile infrared seekers are used “center zero” angle system. Figure 1 (a) is a schematic diagram of the finder device of the “Rattlesnake” AIM-9B missile and its modulation disk. It can be seen that there is a translucent cover 2 at the forefront of the seeker of the missile head, and the shell 1 composed of the line bag forms the shell of the seeker with the hood and the seeker base eagle 24. A gimbal 22 (see Figure 1 above) is mounted on the base, and lead sulfide (PbS) photoresistor 21 is mounted on the gimbal inner ring and its wire is connected to the base preamplifier through the through-hole.