光电瞄具提前量是指武器命中运动目标情况下，在俯仰和方位上赋予武器命中点相对于目标现在点的提前值。
The lead of the optoelectronic sight is a lead value of weapon hitting points relative to target current points in pitch and azimuth on the case of hitting moving targets.
这样做既提高了系统的经济性，简化了结构，又使得系统具有了同时测量目标距离、相对速度和方位角的功能。
The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time.
塔康信标台全向发射脉冲幅度调制信号，隐含空中目标相对于信标台的方位和距离信息。
TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.
应用推荐