MK 49舰惯性导航系统(SINS)的降噪

IEEE PLANS 92 Position Location and Navigation Symposium Record Pub Date : 1992-03-23 DOI:10.1109/PLANS.1992.185816

J.I. Lahham, J. Brazell

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引用次数: 37

摘要

Sperry Marine设计了一种被动结构噪声隔离系统，可将抖动环形激光陀螺仪产生的噪声降低到低于MIL-STD-740-2要求的水平。介绍了开发该系统所需的一些分析和实验过程，以及结构噪声测试结果。结果表明，该隔声系统可实现47 db的结构噪声降噪，同时满足导航系统对稳定性和可重复性的要求。提出的降噪技术使Sperry Marine开发出一种适用于海军应用的抖动环形激光陀螺仪导航器mk49>

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Acoustic noise reduction in the MK 49 ship's inertial navigation system (SINS)

Sperry Marine has devised a passive structure-borne noise isolation system that reduces the noise generated by dithered ring laser gyroscopes to levels below the requirements of MIL-STD-740-2. Descriptions of some of the analytical and experimental processes required to develop this system are presented, together with structure-borne noise test results. Results show that a 47-dB structure-borne noise reduction has been achieved with a noise isolation system that is compatible with the stability and repeatability required by navigation systems. The noise reduction techniques presented have enabled Sperry Marine to develop a dithered ring laser gyroscope navigator feasible for naval applications, the MK 49.<>

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IEEE PLANS 92 Position Location and Navigation Symposium Record

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