本文介绍一种将非陀螺寻北仪固定在准直瞄准仪基座上的寻北瞄准同一基座式方案的结构及其工作原理。

The identical pedestal north-finding scheme that the Nongyroscopic north-finder is pegged on the pedestal of collimator is introduced about its frame and working principle.

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开发了便携式激光准直仪及直线度误差测量、评定软件。

The portable laser collimator and the straightness measuring and evaluating software are developed.

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本文介绍了便携式激光准直仪的工作原理，分析了激光器、PS D信号调理电路及数据采集处理系统的设计。

The principle of portable laser collimator is introduced in this paper and its laser device, PSD signal processing circuits data acquisition are analysed in detail.

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