| 摘要 |
PROBLEM TO BE SOLVED: To provide an airframe guide capable of obtaining a guiding signal having satisfactory guiding accuracy. SOLUTION: The time constant of a primary noise filter is set as the reciprocal of an angle-tracking loop gain, and the angle-tracking loop gain is determined by using the gain-calculation algorithm of a secondary kalman filter, that becomes appropriate in the sense of least squares at taking into consideration of the target motion of inputting a line-of-sight angle including noise and outputting a guiding signal that is a line-of-sight angular velocity, with the noise being removed and the removal of the noise.
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