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.
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.
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.
深入研究了水射流导引激光加工系统的光学特性、水光纤的流体力学特性及耦合系统的关键技术。
The optical properties, and hydrodynamics characteristics, as well as the key coupling technologies between the non-diffracting beam and the water jet, have been deeply analyzed and researched.
研究结果表明：回波强度受导引头光路中光学镜头的相对孔径、摄像管靶面倾斜和离焦的影响较大；扫描激光光束的入射角等因素对回波强度也有一定的影响。
Research results show that the relative aperture of optical lens, the incline and defocusing of reflection plane in TV seeker optical system reduce the intensity of the "cat's eye" reflection.
在此基础上，提出了合理的抗干扰措施，通过对红外导引头光学系统进行光机一体化，进一步提高了系统的总体性能。
On these bases, anti-interference measures are given. In order to improve the system performance, the optical-mechanical integrated design is adopted.
在此基础上，提出了合理的抗干扰措施，通过对红外导引头光学系统进行光机一体化，进一步提高了系统的总体性能。
On these bases, anti-interference measures are given. In order to improve the system performance, the optical-mechanical integrated design is adopted.
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