Mineralization forecast; Characteristics of magnetic anomaly; Nagetan mine area; Qinghai Province;
成矿预测；磁异常特征；南戈滩矿区； 青海省；
This paper gives a new numerical method of calculating magnetic anomaly of a body which has arbitrary shape.
本文提出一种新的数值方法，计算任意形状磁性体的磁异常。
As an example, the order of magnetic anomaly induced by the wake of propeller-driven body has been estimated.
作为例子，对水下旋成体尾流引起磁异常的大小进行了量级估计。
A method for upward continuation of magnetic anomaly on an uneven surface with the Monte-Carlo simulation is presented.
本文用蒙特卡洛模拟法进行磁异常曲面向上延拓。
For different instances, this paper summarizes correspondent methods suitable for Marine magnetic anomaly approximation.
针对不同的情况，本文总结出了适合于海洋磁力异常逼近的方法。
About 10 gravity anomaly areas and 18 magnetic anomaly areas are found in geophysical surveys at Lunlang lead-zinc deposit.
根据该区地球物理测量成果，共圈出重力异常区10个、磁力异常区18个。
It is an important content of interpretation of magnetic anomaly to compute burial parameters of magnetic ore body (ore dike).
计算磁性矿休(脉)的产状参数，是磁异常解释推断的重要内容。
Magnetic anomaly data are very valuable in the field of resource exploration, deep subsurface geology and geophysics research.
磁异常资料在地质矿产资源勘查以及深部地质方面有着十分重要的作用。
There occurs a magnetic anomaly caused by telluric current influence in a electrochemistry anomaly area relating to hydrocarbon.
与油气藏有关的电化学异常带内，能够产生一种地电流感应磁异常。
The strength and the center position of each above magnetic anomaly changed with time, and the trend of each change is not alike.
各个磁异常的强度和中心位置随时间变化，变化趋势各不相同。
The strength and the center position of each above magnetic anomaly changed with time, and the trend of each change is not alike.
在相同纬度带上，由于地理状况的不同，变化趋势有所不同。
According to the magnetic anomaly from Hydrocarbon alteration zone, the distribution of oil gas seepage can be determined at plane.
利用烃蚀变带所产生的磁异常现象，在平面上圈定油气渗漏的分布范围，进而寻找海底油气藏。
Through analysis and inversion of the aeromagnetic anomaly field, this paper has studied the magnetic basement of the Junggar basin.
本文通过分析和反演航磁异常场，研究了准噶尔盆地的磁性基底。
It is also equipped with a radar warning receiver, an Elta electronic support measures system and magnetic anomaly detector (MAD) system.
还加装了雷达告警接受机、Elta电子对抗系统、磁异常探测系统。
The location changes of magnetic anomalycentre of African and Southern Atlantic anomaly are the fastest in the all of themagnetic anomalies.
南大西洋正磁异常和非洲负磁异常是磁异常中心位置变化最快的两个磁异常。
The casing collar locator is an electric logging tool that detects the magnetic anomaly caused by the relatively high mass of the casing collar.
套管接箍定位器是一种电测井下井仪器，它检测由套管接箍的相对较高的质量所引起的磁异常。
A method for computing first vertical derivatives in the upper half-space from observed gravity and magnetic anomaly data is given in this paper.
本文给出了由实测重、磁异常计算上半空间一阶垂直导数的一种方法。
The matched filtering method based on discrete cosine transform can improve accuracy and reliability of dividing gravitational and magnetic anomaly.
本文提出的基于离散余弦变换的匹配滤波方法，可以提高重磁异常划分的精确性和可靠性。
Based upon the theory of upward continuation of two-dimensional magnetic anomaly data, a corresponding downward continuation formula has been derived.
从二度磁异常上延理论出发，推导出一种下延方法。
The characteristics of the strata, structure, magmatic rocks and magnetic anomaly in the west of the deposit are reviewed and its ore prospect is also...
分析了矿床西部的地层、构造、岩浆岩和磁异常特点，探讨了该区的找矿方向。
A method of magnetic potential spectrum based on the cosine transform is proposed in order to improve the calculating accuracy of magnetic anomaly derivatives.
针对提高磁异常导数的计算精度，提出磁位离散余弦变换谱的分析方法。
The inversion of the lower interface of magnetic media on the basis of magnetic anomaly is a nonlinear problem. which it generally difficult to solve directly.
根据磁异常反演磁性介质下界面，属于非线性问题，一般很难直接求解。
Most collar locators detect the magnetic anomaly created by the mass of the steel collar and transmit a signal to surface-display and depth-correlation equipment.
大多数接箍定位器探测接箍形成的磁异常，并向地面显示和深度对比设备发送一个信号。
Transfer function for reduction to pole can be used to reduce directional oblique magnetic anomaly to vertical magnetic anomaly in frequency (or wavenumber) domain.
在频率(波数)域中利用化极转换函数可以将具有方向性的斜磁化异常转换为方向性不明显的垂直磁化异常。
The results of the emulation and example show that the interpolation accuracy of these methods are different with distributing of known survey point and change of magnetic anomaly.
仿真与实例计算结果表明，已知点的分布情况及磁异常变化情况不同时，四种逼近方法的插值精度是不同的。
This paper, based on a surface magnetic survey project, discussed the method and steps of two-dimension reversion of geomagnetic anomaly, introduced the applied results by an example.
文章通过一个地面磁测勘查项目，探讨了地磁异常二维反演的方法与步骤，介绍了一个实例的应用效果。
A comprehensive analysis is made on the characteristics of gravity and magnetic anomaly on map-area of Hulin City in Heilongjiang Province according to the geological and geophysical data.
以区域地质资料和物性资料为依据，对黑龙江省虎林市幅重磁场特征进行了综合分析。
The high frequency part of Dongsha high-value magnetic anomaly may be related with Cenozoic basalt and Mesozoic magmatic rocks, and the low frequency part developing high-velocity lower crust.
东沙高磁异常含一定的高频成份，与新生代玄武岩及中生代岩浆岩有关，而其低频成份可能反映了发育的下地壳高速层。
Moreover, from the lower regional magnetic anomaly it can be derived that the lower magnetic layer may be largely affected by the thermal events related to the Mesozoic and Cenozoic magmatism.
根据下部区域磁异常，推测地壳下部磁性层受后期的中、新生代岩浆作用的影响很大。
Moreover, from the lower regional magnetic anomaly it can be derived that the lower magnetic layer may be largely affected by the thermal events related to the Mesozoic and Cenozoic magmatism.
根据下部区域磁异常，推测地壳下部磁性层受后期的中、新生代岩浆作用的影响很大。
应用推荐