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CHZ重力仪在动态重力测量中的非线性问题
ON THE EFFECT OF DYNAMIC NON-LINEARITY OF CHZSEA GRAVIMETER IN DYNAMIC GRAVITY MEASUREMENT
【摘要】 本文讨论了动态重力测量中CHZ重力仪的动态非线性问题,通过理论分析和计算,证明CHZ海洋重力仪本身的动态非线性误差是相当小的。在实验室正弦振动台上的实验结果也证实了这一点。当垂直扰动加速度为246伽时,CHZ海洋重力仪的动态非线性误差只有0.7毫伽。实验室振动实验还表明:CHZ海洋重力仪不但动态非线性误差比较小,而且动态特性也很好。
【Abstract】 This paper deals with the effect of dynamic non-linearity of CHZ gravimeter indynamic gravity measurement. Based on theoretical analysis and calculation. we arriveat the conclusion that the error due to dynamic non-linearity of CHZ gravimeter is insi-gnificant. This conclusion is also confirmed by the experimental data on sinusoidal plat-form vibrator in laboratory. When the vertical perturbing acceleration is 246 gal. theerror due to dynamic non-linearity of OHZ gravimeter is only 0.7 mgal. Moreover. vi-bration experiments in laboratory indicate the superiority of CHZ gravimeter. not onlydoes it have relatively smaller error due to dynamic non-linearity. but it also manifestsbetter dynamic charcteristics.
- 【文献出处】 测绘学报 ,Acta Geodaetica Et Cartographic Sinica , 编辑部邮箱 ,1987年01期
- 【被引频次】5
- 【下载频次】74