The application of multi-sensor data fusion in theodolite could enhance the reliability and automatization of instrument as well as the precision of tracking and real-time output.
多传感器信息融合技术在经纬仪系统中的应用，可以提高仪器的可靠性和自动化程度，以及仪器的跟踪精度和实时输出精度。
But in fact, output of laser energy is continuously changing as time passed, so that precision accuracy of detecting system become poor.
但是，在实际使用中，激光器输出能量会产生波动，导致系统检测精度下降甚至不准确。
This essay combines to the characteristics of oil output, forecasts the crude oil output with time series modeling approach and regression analysis method and has a high precision.
本文结合石油行业产量的特点，运用SAS系统中时间序列建模方法及回归分析方法对原油月产量作了预测分析，预测结果精度较高。
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