And unlike radio-controlled aircraft, rockets were all but invulnerable to jamming or interception.
而且，火箭不像由无线电操控的飞机，它几乎不受人为干扰或半路拦截的影响。
2
For the case of planar interception, the so called relative heading error angle between the relative velocity vector and the LoS (Line of Sight) is chosen as the output to be controlled to zero.