The basic principle of two kinds of electrostatic feedback instruments are described in this poper.
概述了两种不同类型的静电反馈装置的基本原理，介绍它们在区域重力测量、微重力测量、垂直梯度测量、固体潮观测和周期误差标定等方面的优越性及实际应用效果。
In this paper, the principle of the electrostatic feedback and the electrostatic clibration for GS gravimeter is described.
本文介绍了静电反馈及静电标定技术在GS型重力仪上的具体应用,着重阐述了它的工作原理。
In calculation of reflected level of quiet zone in anechoic chamber, a spot emission model is often used to simulate antennas characteristic.
在微波暗室静区反射电平计算时常采用点源发射模型模拟天线的特性 ,它适用于低频段或方向性差的天线。
