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Error Compensation and Signal Processing in Strapdown North Seeking System
Pages: 9-12,22
Year: Issue:  5
Journal: AEROSPACE CONTROL

Keyword:  动力调谐陀螺仪陀螺漂移误差补偿数据滤波;
Abstract: 捷联寻北仪采用中等精度两自由度动力调谐速率陀螺仪,来感测地球自转角速度在两个水平方向的分量,从而确定地理北向.各种干扰的存在会削弱有用信号,从而降低寻北精度.本文分析了陀螺静态及动态漂移误差对寻北精度的影响,提出了有效的误差补偿技术;针对有用信号的特点提出了简单实用的噪声消除法.仿真和试验结果说明,文中所提方法能有效地提高寻北精度.
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