本文概述了采用微处理器分区，自动控制三管式彩色摄像机的区域误差，提高其重合精度的新方法。
In this paper the author introduces a new method of improving the coincident accuracy of a 3-tube color camera by using a microprocessor for automatically controlling its partial errors.
采用了分区控制思想，根据不同的误差和误差变化趋势，采用了不同的PID控制策略。
Subarea control strategy is given: different PID controllers are designed depended on error and its derivation.
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