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Research on Error of Highly Precise Orientation Survey with Gyrotheodolite and Its Calibration

Author: WangFei
Tutor: LiGuangYun
School: PLA Information Engineering University
Course: Geodesy and Survey Engineering
Keywords: Gyrotheodolite High precision directional Eccentricity of Instrument constant drift Verification Equipment
CLC: P204
Type: Master's thesis
Year: 2010
Downloads: 137
Quote: 2
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Abstract


Related to the gyroscopic theodolite high precision directional increasingly widespread in the construction of military and civilian , this article focuses on the impact of Gyrotheodolite high precision directional error and its calibration analysis study , the main contents are as follows : 1 . Mainly from instrument error , sighting target eccentricity error , gyro theodolite point the eccentricity of these studies on the impact of high precision directional gyro theodolite in azimuth and the gyroscope orientation data processing conversion prone theoretical analysis , especially of Gyrotheodolite on experimental study the impact of the point of eccentricity , by the theodolite mutual aim of principle and nature of the test method , some practical value to improve the accuracy of the directional gyro theodolite . 2. To analyze the gyroscopic theodolite internal temperature of directional survey concluded to weaken internal temperature impact measures conducive to to improve gyro the directional measurement accuracy and stability . Temperature for a certain type of gyro theodolite instrument constant is influenced by the ambient temperature experiment , the use of statistical methods of mathematical analysis , data processing of the temperature of the instrument constant , summed up the change more in line with the linear rule can be realized on the instrument constant automatic drift compensation , improve gyro theodolite directional precision and accuracy has a certain practical significance . . To determine Gyrotheodolite test content , the request for the corresponding test methods and measurement of performance , as well as the technical requirements of the test device of the Gyrotheodolite focuses on the measurement results of a the controlled chamber test laboratory glass refraction corresponding experiments analyzed glass refraction angle measurement of the impact of the law , and put forward some practical solution of the verification device requirements Gyrotheodolite has certain reference value .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > General issues > Measuring instruments and methods
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