The data repository module stores all integrated business data, it is the final target of data acquisition ETL process.

数据存储库存储所有的集成业务数据，它是数据获取ETL过程的最终目标。

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The simulation results using Moving and Stationary Target Acquisition and Recognition (MSTAR) data indicate that the error of the proposed method is small, and thus it has high accuracy.

移动与静止目标获取与识别（MSTAR）公共数据库实测数据的仿真结果表明，该方法估计误差较小，可获得较高的估计准确度。

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Besides, the target echo signal is often weak with strong noise, so data acquisition (DAQ) card should sustain high sampling frequency and resolution.

由于目标回波的低信杂比，需要采集卡具有较高的采样率和分辨率。

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