High precision FOG is the important part of navigation and guidance system.

高精度光纤陀螺是导航与制导系统的主要组成部分。

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Quaternion method, which has been successfully applied to the Strapdown Inertial Navigation and Guidance for tens year, is classical.

数十年来，四元数及其解法成功地应用于捷联惯性导航和制导系统中，成为经典的算法。

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Its key equipment is scene matching correlator, and its key technology is scene matching. It realizes independent navigation and guidance by matching real-time image and reference image.

其关键设备是景象匹配相关器，关键技术是景象匹配，它利用实时图像和基准图像的匹配来实现自主导航、制导。

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Independent Russian military analyst Viktor Litovkin says Russia lacks combat support systems rather than firing units, and notes that such systems consist of drones, precision weapons,reconnaissance,navigation, communication,and guidance systems,etc.

VOA: standard.2009.03.20

"I can influence the guidance and navigation of the aircraft, " he told the BBC, adding that the system had "limitations".

BBC: Hacker targets flight deck computer systems

Its cockpit electronics were a messy hodgepodge of separate navigation, guidance, autopilot and weather systems--five or ten years behind the times.

FORBES: Top Gun

Technologies being tested in the program include advanced guidance, navigation and control, thermal protection systems, avionics, high temperature structures and seals, conformal reusable insulation, lightweight electromechanical flight systems, and autonomous orbital flight, reentry and landing.

ENGADGET: USAF relaunches its first X-37B on a slightly less mysterious spaceflight