The paper introduces the time synchronization conception of the IRIG-B format code and its module constructions which include microprocessor, level converter and optically coupled isolator.

介绍了IRIG-B码对时的概念、IRIG-B码对时模块的组成，其组成部分包括微处理器、电平转换器件、光耦隔离器。

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In this paper, the conception of the model recognition-tracking-coordinate transfer data processor in HF skywave OTH-B Radar is described.

本文简述了高频天波超视距雷达模式识别、跟踪、座标变换数据处理器概念。

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Autism risk might be cut nearly in half by making sure that mothers are taking supplements containing folic acid, a B vitamin, at the time of conception and in the early months of pregnancy.

FORBES: More Prenatal Vitamins Could Mean Less Autism, Study Says