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目前在流动重力测量工作中,外界气温变化是影响仪器观测精度的重要干扰因素,曾有不少同志在重力格值温度改正等方面做了大量工作,本文主要是通过对试验数据的讨论,开发CG—2型重力仪外业工作的潜力。 从大量重力测量资料和多年来外业实际工作中发现,CG—2型重力仪灵敏度变化主要与外界气温变化相关。当外界环境温差越大,仪器灵敏度变化幅度就越显著,尤其在冬夏两季工作,由于日温差异较大,仪器灵敏度日变化量最大可达2格左右,从而对
At present, in the work of mobile gravity measurement, the change of outside air temperature is an important disturbance factor affecting the observation accuracy of the instrument. Many comrades have done a lot of work on the temperature correction of the grid value of gravity, etc. This article mainly discusses the experimental data and develops CG-2 Gravimeter field of work potential. From a large amount of gravity measurement data and practical work over the years found in the field, CG-2 gravimeter sensitivity changes mainly associated with changes in ambient temperature. When the ambient temperature difference is bigger, the sensitivity of the instrument changes more significantly, especially in the winter and summer work, due to large differences in day temperature, the maximum sensitivity of the instrument up to about 2 cells, so that