异常场

分析和讨论了中国地磁异常场。

The geomagnetic anomalous field in China is analyzed and discussed .

根据2003年中国地磁观测数据（包括135个地磁测点和35个地磁台）以及我国邻近地区38个IGRF计算点的地磁数据，计算中国地磁异常场的分布。

According to the geomagnetic observational data in China for 2003 , including 135 geomagnetic stations and 35 geomagnetic observatories , and the geomagnetic data of 38 IGRF calculated points in China 's adjacent regions , the distribution of the geomagnetic anomalous field in China was calculated .

基于转换异常场的GPS坐标转换技术

Technique of GPS Coordinate Transformation Based on Anomaly Field Transformation

本文利用FSU风应力逐月资料，运用POP分析方法，分析了热带太平洋地区风应力异常场结构与ELNino／LaNina事件的联系。

Based on the monthly analysis data of wind stress , which provided by FSU , typical wind stress patterns associated with the El Nino / La Nina are determined with the techniques of POP ( Principal Oscillation Pattern ) analysis .

给出了表征半球月平均位势高度场性质的若干环流指数：气候场强度Ic、气候异常场平均强度Ia、气候场不稳定度Ius。

To describe the nature of hemispherical monthly mean geopotential height fields , several circulation indices , such as intensity of climate fields I c , intensity of climate anomaly fields I a , instability of climate fields I us , are defined .

根据1936.0年426个地磁测点和28个IGRF计算的地磁数据，计算地磁场和地磁异常场各个分量的曲面Spline模型，并绘制相应的地磁图和地磁异常图。

Based on geomagnetic data of 426 geomagnetic sites and calculated from IGRF at 28 sites for 1936.0 , surface Spline models for various components of the geomagnetic field and geomagnetic anomaly field are calculated , and the corresponding geomagnetic field charts and geomagnetic anomaly charts are drawn .

IGRF（国际地磁参考场）是有关地球主磁场与长期变化的模型，IGRF的误差主要来源于：忽略外源场、球谐级数的截断、台站分布的不均匀、测量、忽略地壳磁异常场等。

IGRF ( International Geomagnetic Reference Field ) are the models of geomagnetic main field and secular variation . The IGRF errors are from neglecting external field , truncation level of the spherical harmonic series , observatory distribution , measurement , and neglecting the crust geomagnetic anomalies .

苏鲁豫皖地区地磁异常场时空近期动态演化特征

Recent Time-Space Dynamic Evolution Characteristics of Geomagnetic Field in Jiangsu-Shandong-Henan-Anhui Region

大地震地下水前兆异常场的正演

A deduction of precursory anomaly field of groundwater before large earthquake

这样，异常场便可借助于积累电荷来计算。

Thus anomaly field may be calculated by means of accumulational charge .

民乐-山丹地震地下流体异常场特征及其成因分析

Characteristics of Subsurface Fluid Anomaly Field and Its Genesis before Minle-Shandan Earthquake

大同&阳高6.1级地震前地下流体异常场特征

Characteristic of Ground Liquid Abnormal Field prior to the Datong Yanggao Earthquake

地磁正常场的选取与地磁异常场的计算

Selection of the geomagnetic normal field and calculation of the geomagnetic anomalous field

南海磁异常场分区研究&应用人工神经网络方法

Using artificial neural network to divide the magnetic anomaly field of the South China Sea

低磁纬度区ΔT剖面磁异常场源深度计算的切线法

The tangent technique of δ t profile magnetic anomaly in the low magnetic latitude area

孟连7.3级地震前水氡浓度月变的异常场特征

Water radon concentration month variation and features of anomaly field before the Menglian M7.3 earthquake

中国东南大陆和陆缘地带板内构造界带的地磁异常场响应

Abnormal geomagnetic field response at intraplate tectonic boundary in continent and continental margin in southeastern China

地球磁场由国际地磁参考场和磁力异常场叠合建立。

Earth 's magnetic field is composition of International Geomagnetic Reference Field and magnetic anomaly field .

唐山地震地下水动态异常场特征与震源演化过程

The characteristics of forerunner field of underground water regime during Tangshan earthquake and its focal evolution process

鲁西西部区域重磁异常场的分维计算与信息复合

On fractal dimension computation and information compound of regional gravitational and magnetic anomalies in western Shandong Province

还就区域应力异常场和灵敏性问题进行了讨论。

The problems concerned with the anomaly field of the regional stress and sensitivity were also discussed .

航磁异常场和居里面分布特征均揭示研究区地质构造发展具有继承性；

Characteristics of both aeromagnetic anomalies and Curie point isotherm distribution indicate the inheritance in tectonic evolution .

低纬度磁异常场化极的新方法探讨

The Study of A New Method of Reduction to the Magnetic Pole in the Low Latitude Region

陕西勉略宁地区致矿地质异常场结构及找矿预测

Structural analysis of ore-generating geological anomaly field and forecasting of ore prospecting , mian-lue-ning region , shaanxi province , china

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。

Abstract Through analysis and inversion of the aeromagnetic anomaly field , this paper has studied the magnetic basement of the Junggar basin .

提出了油层氧化还原电池新概念和似源结构异常场新论点等。

Some new concepts , " oxidation-reduction cell of oil formation " and " similar source composition structural anomalous field " are proposed .

将解析表达式的三度体重力异常场公式转化为可直接用于计算机编程运的有限求和公式，便于计算机编程实现各种场的模拟。

Change the analytical expression formula of the anomaly field sourced with three-body into limited summation formula which computer programming can be delivered directly .

最后给出的算例表明，该算法直接计算异常场，计算速度快、精度高。

Finally we give examples to show that the forward modeling code calculates directly the secondary field and makes the computation faster with higher calculating accuracy .

为了提取地壳异常场，必须从观测资料中消除主磁场、磁层场，感应场和电离层场。

In order to get the crustal anomaly field , the main field , magnetospheric , ionospheric and induction fields from the Magsat data must be subtracted .

在背景场计算中，对地下均匀半空间和水平均匀层状模型的背景场对二次异常场的影响进行讨论。

Under calculating background , we research the uniformity half space and multi-layers models , discuss the effect on studied background results to abnormity and overlapping field .