This paper proposes a design of strapdown laser guided seeker with large linear view field, low circuit noise and highprecision algorithm. Simulation experiments show that the linear view field is ±12° in the range of ±15° view field, andthe spot deviation is better than 1%. Combining tradit ional calculation method and polynomial fitting method, a fittingalgorithm reduces root mean square error 76.9% than Gauss model method.
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