文中根据Allan方差原理系统的分析了随机噪声的来源、频率分布和对陀螺仪随机误差的影响,并对一种陀螺仪进行了实测和分析,用一种简单Allan方差方法,得到了5项对MEMS陀螺仪影响较大的噪声系数.结果表明,该方法能有效地估算出陀螺仪中的各项噪声系数.%In the paper , according to the theory of the Allan variance system analysis of the random noise , frequency distri-bution, and impact on gyroscope random error , and a gyroscope was measured and analyzed .Using a simple Allan variance meth-od, the five noise factors had a greater impact on MEMS gyroscope .The results show that this method can effectively estimate the noise factor of the gyroscope .
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