1) FM reticle
调频调制盘
2) frequency modulation reticle
调频盘，频率调制盘
3) amplitude-modulation retic(u)le
调幅调制盘
4) modulated disk
调制盘
1.
Based on positioning principle of rotating frequency-modulated disk, designing characteristics of patterns for some-model guided sight instrument are studied.
基于旋转调频调制盘的定位原理,研究了某型号瞄准制导仪中调制盘图案的设计特点。
5) chopper
[英]['tʃɔpə(r)] [美]['tʃɑpɚ]
调制盘
1.
An analysis is given of the jamming principle of an infared seeker with an amplitudede-modulated chopper,in which a rising sun choppcr is used as an example.
文中以初升太阳式调制盘为例，分析了调幅式调制盘红外导引头的干扰原理，导出了当目标投射到导引头上及存在多种干扰时导引头的输出误差信号，并简要讨论了干扰的效果。
6) modulation reticle
调制盘
1.
Active jamming of an infrared seeker with amplitude modulation reticle;
调幅式调制盘红外导引头的主动干扰
补充资料：调幅
载波振幅按调制信号振幅而变化的调制方式。载波经调幅后成为调幅波。调幅波的最大与最小振幅之差的一半与其和的一半之百分比称为“调幅度”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条