结论开放式MR结合光学导引系统用于引导椎间盘造影术是可行的、安全的。

Conclusions Open MR scanner with an optical tracking system guidance and monitoring lumbar disc discography is feasible and safety.

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介绍了激光半主动导引头及其光学系统的结构、特点。

The structure and characteristic of laser semi-active seeker and its optical system was analyzed.

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最后以一类光学成像卫星为对象，建立了其自主规划模型并开发了相应的导引式求解算法。

At last, a class of optic imaging satellites is taken as example for which autonomous planning model is constructed and corresponding guided solution algorithm is developed.

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