平差 怎么翻译

平差 怎么翻译
平差 怎么翻译

平差 怎么翻译
平差 [píng chā]
基本翻译
error compensation
adjustment
[测] balancing

谷歌在线翻译，然后自己读一遍，查一下有没有语法错误，呵呵，仅做参考，毕竟学位论文有一定学术价值，要严肃对待
GPS can provide accurate three-dimensional ground point coordinate values, in the measurement are widely used. GPS Control Network purpose is ...

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谷歌在线翻译，然后自己读一遍，查一下有没有语法错误，呵呵，仅做参考，毕竟学位论文有一定学术价值，要严肃对待
GPS can provide accurate three-dimensional ground point coordinate values, in the measurement are widely used. GPS Control Network purpose is to determine a certain level of quality network of the mid-point in the coordinates of a coordinate reference frame. Also the absolute location of GPS control network for delivery benchmarks, to provide for quality checking of the conditions and provide means to improve quality. GPS positioning system consists of three parts: GPS satellite constellation (space part) ground control system (ground control part) GPS signal receiver (user equipment section). GPS location technology is the use of altitude in the GPS satellites, the ground-launched L-band radio carrier frequency ranging signals from ground user receivers to receive continuous real-time, and calculate the location of the receiver antenna. GPS positioning of observations will be inevitably affected a variety of sources of error. According to the source of these error sources can be divided into three situations: with the GPS satellite-related errors, and disseminate information on the error signal, and receiving equipment-related errors.
GPS Control Network purpose is to determine a certain level of quality network of the mid-point in the coordinates of a coordinate reference frame. Also the absolute location of GPS control network for delivery benchmarks, to provide for quality checking of the conditions and provide means to improve quality. According to China 1992 issued measurement standard Global Positioning System, GPS baseline vector network was divided into A, B, C, D, E 5 level. GPS network used in the cloth mesh in the form of the following: Battle of multi-track stop-type base station (center point) synchronous graphics expansion of single base station type. Practical design of GPS Control Net in the form of synchronous graphics expansion type, observing practices for the side with style.
The purpose of data processing are the coordinates of stations and between stations to measure the baseline. Baseline Solution process is actually mainly a process of adjustment, adjustment of the observations used mainly double difference observations. In the baseline solution, the adjustment should be carried out in three phases, the first stage of initial adjustment, be calculated by unknown parameters of the whole week and the baseline vector of Real Solutions (float solution); in the second stage, the whole week unknown fixed integer; in the third stage, the entire week to determine the unknown as the known value, only the station coordinates to be determined as unknown parameters, calculate the adjustment again, the final solution obtained baseline vector solution - integer solutions (fixed solutions). GPS Network Adjustment for a variety of types, adjustment carried out under the coordinate space can be divided into three-dimensional adjustment of GPS network adjustment and two-dimensional adjustment, when used in accordance with observations adjustment value and the number of initial data and type of adjustment can be classified into unconstrained adjustment, adjustment and joint adjustment and other constraints.
Keywords: GPS GPS Control Network Baseline Solution Network Adjustment

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