ladder,vertical ladder

An automatic monitoring system of vertical gradients for air pollutant was developed in the study.

设计的大气污染物垂直梯度自动监测系统是用 2个电磁阀实现 3个高度的气体采样 ,依靠分析仪器自身的抽气泵将气体样品通过聚四氟乙烯管抽入各分析仪器进行测量 ,并用一台微机和一块 AD/DA转换板实施对电磁阀的控制和数据采集 。

Fast splines conversion of curvedsurface potential field and vertical gradient data into horizontal-plane data;

综合利用位场及其垂直梯度的快速样条曲化平方法

Computation of gravity vertical gradient in gravity reduction of gravity-aided inertial navigation system;

重力辅助惯性导航中重力归算的垂直梯度计算

While the theory about determining the geoid with the height anomaly is introduced,the method for computing the vertical gradient of gravity anomaly with the topographic mass is presented, therefore the geoid in mountain area could be refined by comb ining the gradient with the height anomaly.

在介绍由高程异常确定大地水准面有关理论的同时，提出了用地形质量计算重力异常垂直梯度的方法，结合高程异常资料，可以使山区大地水准面得到精化。