The embedded software adopts algorithm which is combined with measuring technique and computer technique so that the instrument is capable of self-adjusting to zero, calibration and digital fliter.
内嵌的仪表软件采用的算法将测量技术和计算机技术结合起来，使仪表具有自动调零、校准、软件滤波等功能。
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This article introduces a new way which applies absolute zero position system of grating digital readout-instrument to measuring large diameter.