Gravity gradient tensor; Forward; Edge extraction.
重力张量梯度；正演；边界提取。
The gravity gradient belt studied in this paper is very distinct in Eastern China continent.
中国东部重力梯级带上的强震震中分布有着明显的分段性。
The gravity gradient anomaly reflects the change of gravity anomaly, and it has a higher resolution than gravity anomaly.
重力梯度异常反映的是重力异常的变化，其分辨率比重力异常高。
Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.
重力梯度为重力位的二阶导数，可以通过星载梯度仪进行观测。
In the implementation of the normalized total gravity gradient by Bieriozkin, the Fourier series summation technique has been adopted.
别廖兹金在实现重力规格化总梯度时采用了傅氏级数求和法。
Finally, the influence of orbital errors and potential coefficient errors on the gravity gradient measurements are conversely found out.
最后，反求轨道误差和位系数误差对重力梯度测量值的影响。
The attitude motion equation of satellite was given, and the attitude of magnetic control for gravity gradient satellite would go to stable.
给出了卫星姿态运动方程，并证明采用两种方法控制卫星姿态的稳定性。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
The disturbance torques imparted by space environment are analyzed, which include gravity gradient torque, solar pressure torque, aerodynamic torque and magnetic torque.
对作用在卫星上的各种空间环境力矩进行了分析，包括重力梯度力矩、太阳光压力矩、气动力矩、剩磁力矩等。
By very simple mathematical derivations, the practical expression of (Vzz), the expression of normal vertical gravity gradient, and the comment on the accuracy were given.
本文以极简单的数学推导，给出了正常重力垂直梯度的实用表达式，并对其精度作出了评价。
It has been proved that normalized total gravity gradient method can be effectively used to ascertain the existence and exact location of single (or several) nonuniform density body.
重力归一化总梯度法用于研究单个或为数不多的密度不均匀体的分布和位置，已被证明是有效的。
Based on the gravity gradient measurement principle of rotating accelerometer gravity gradiometer, an online method of accelerometers scale factor adjusting is proposed in this paper.
在旋转加速度计重力梯度仪的重力梯度测量原理的基础上，本文提出了加速度计标度因子的在线调整方法。
The application of gravity gradient in the attitude control system of mini-satellites provides an advantaged tool for the development and research of the miniaturization of satellites.
分析比较了目前卫星采用姿控的原理和方法，应用现代控制理论分析了重力梯度卫星姿控系统的性。
The resistivity from the middle-lower crust to the upper mantle of lithosphere, near the gravity gradient zone in the Wuling mountain, is very high. It is related to the forming of the gradient zone.
武陵山重力梯度带附近，中下地壳至上地幔岩石层有很高的电阻率，它和梯度带的形成有关。
For example, the use of wheeled vehicles to transport goods and the separation of materials by gravity-gradient processes can be modified to be used in lunar conditions.
举例来说，轮式载重车辆和依赖重力实现材料剥离的技术，经过改进是可以在月球重力条件下使用的。
So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.
所谓重力异常线性构造信号就是重力异常水平总梯度沿重力方向的一阶导数且是大于零值的那一部分。
Both sides isopleth width of gravity anomaly linear structure signal is more narrow than that of gravity anomaly level total gradient.
重力异常线性构造信号极大值两侧的等值线分布范围比重力异常水平总梯度的极大值两侧等值线分布的范围要窄。
The subsidence of the bottom and the cracks in the middle of the bottom are caused by temperature gradient and melt gravity during crystal growth.
晶体生长期间，温度梯度和熔体重力引起的热应力和压力应力使坩埚底下陷并在底的中部产生裂隙。
Therefore it is considered that the decrement of gravity vertical gradient is caused by mountain mass distribution.
分析了佘山重力垂直梯度偏小的原因，认为这是由于山体质量分布引起的。
The practical examples indicate that real earthquake occurrences better correspond to the trends of high gradient zone of gravity variation.
实例表明，实际发生地震的情况和重力变化高梯度带的走向对应较好。
Owing to the action of temperature gradient, melt gravity and solidifying bulk, the life of the crucible is reduced.
由温度梯度，熔体重力和固化块的作用引起的坩埚形变和裂隙缩短了坩埚的使用寿命。
The normalized total gradient method of gravity presented by V. M. Berezkin et al is a method for determining field source and density interface by means of gravity data.
等人提出的重力归一化总梯度法是一种利用重力数据来确定场源以及密度分界面的方法。
The normalized full gradient and phase of gravity anomalies have been studied by potential field conversion and fast Fourier transform in wave-number domain.
用波数域的位场转换和快速傅立叶变换理论研究重力归一化总梯度和归一化相位；
Ore zones occur in the edge of local positive gravity anomaly, in the strike interrupted area or steep gradient area of regional aeromagnetic anomaly.
而且矿区、矿化集中区还位于反映深部构造变异的局部重力异常区边缘、区域航磁走向中断区或梯度变化带附近。
A maximum gradient tracing and rotation transformation approach is presented in this paper. It is used for extracting linear feature from magnetic and gravity data.
本文介绍一种最大梯度追踪和旋转变换方法，可用于重磁数字图像特征线自动提取。
The favourable conditions of the deep development of the earthquakes are:the gravity anomaly gradient belt;
深部孕震的有利部位是：区域性重力梯级带；
The favourable conditions of the deep development of the earthquakes are:the gravity anomaly gradient belt;
深部孕震的有利部位是：区域性重力梯级带；
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