基于捷联惯导系统的舰艇垂向位移测量技术

The Measurement Technology about Vertical Displacement of Vessel Movement Based on SINS

给出了舰艇垂向位移的定义,对捷联惯导系统解算中的舒勒振荡周期误差进行了说明。在分析舒勒振荡周期误差对于垂向位移测量影响的基础上,设计了利用捷联惯导系统测量舰艇垂向位移的方案。在该方案中引入了FIR数字高通滤波器,并给出滤波器系数组的设计过程。最后利用自研的捷联惯导系统与四自由度平台验证了提出方案的有效性。

The definition of vertical displacement of vessel and the Schuler oscillation error aroused during SINS（Strapdown Inertial Navigation System）are given.Based on analysis of Schuler oscillation error effects,we design the scenario utilizing the SINS to measurement of the vertical displacement of the vessel.In our scenario,FIR digital high-pass filter is introduced.Finally,using SINS made of Harbin Engineering University,in addition to four-freedom platform,we validate our proposed scenario.