| 摘要 |
<p>PROBLEM TO BE SOLVED: To maintain an attitude control function of an airframe even if a light of high intensity like a laser beam is emitted to a missile system. SOLUTION: A plurality of laser beam detectors 7 are provide on an outer periphery of an airframe 6. A voltage signal output from the detector 7 is used to calculate a first error signal in a signal processor 9. An image signal output from an image detector 2 is supplied to an image processor 3, which calculates a direction of a target and outputs a second error signal. A discriminator 10 selects and outputs the second signal similarly to prior art if a laser beam is not detected, and selects and outputs the first signal if the beam is detected. Therefore, even when an interference of the beam occurs, the error signal can be accurately output.</p> |
