摘要
针对矿井常用的防爆陀螺经纬仪TJ-9000,对淮北市朱庄煤矿进行陀螺定向测量,论证TJ-9000井下定向边定向的稳定性,以及全工作时间段内陀螺仪器常数的稳定不漂移性。结合高精度GT3-3陀螺全站仪的复测比较,计算加权值,并通过假设检验论证最大似然值;并以此判定TJ-9000陀螺经纬仪综合寻北真精度误差。
For the commonly used explosion-proof TJ-9000 gyro theodolite in coal mine,the gyro orientation measurement is carried out in Huaibei; it testified the stability of the directional edge orientation with TJ-9000 and the stability of the gyro instrument constants during the working time. Combined with retested data with high precision GT3-3 gyro total station,the weighted values can be calculated so as to testify the maximum likelihood based on hypothesis testing method. Referring to this,we can judge the comprehensive and real precision error with TJ-9000.
出处
《煤矿安全》
CAS
北大核心
2016年第7期118-121,共4页
Safety in Coal Mines
基金
江苏高校优势学科建设工程资助项目(SZBF2011-6-B35)
关键词
陀螺经纬仪
陀螺定向测量
最大似然
假设检验
真精度误差
gyro theodolite
gyro orientation measurement
maximum likelihood
hypothesis testing
true precision error
