空间异常

一种基于BP神经网络的空间异常探测方法

A BP Neural Networks Based Spatial Outliers Detecting Method

对Wq空间异常区σH的时间扫描在某些地区也能够较好地显示1年左右的平静异常。

A time-scanning of σ H in the spacial anomalous area of W q can also show anomalies of quiescence lasting for about one year in some regions .

本文根据组合模式原理提出了一种用小震调制比（rm）异常区出现高频次的空间异常图，进行强地震中短期预报的方法，简称rs法。

This paper proposed an intermediate and short term prediction method for strong earthquake using spatially anomalous distribution map with high frequently occurrence of small earthquake modulation ratio ( rm ) based on the constitution model .

基于层次聚类的多尺度空间异常探测方法

An Approach for Multi-Scale Spatial Outlier Detection Based on Hierarchical Clustering

小比例尺重力自由空间异常图编制方法

Study on compilation method of small scale maps of gravity free-air anomalies

基于关联分析的高维空间异常点发现

Discovery of High Dimensional Outliers Based on Association Analysis

因此，对这些重磁资料进行空间异常分解是十分必要的。

So , it is needed to decompose the data into " cube " .

空间异常检测在区域不平衡研究中的应用

Application of Spatial Outlier Detection in Regional Unbalance

空间异常检测为经济发展区域不平衡问题的发现提供了一条有力途径。

Spatial outlier detection provides one powerful way for the discovery of uneven regional economic development .

降水日数的空间异常主要表现为一致性异常和南北相反异常两种类型。

There are two types of spatial abnormity distribution : consistent abnormity and north-south reverse abnormity .

地壳均衡模型能最好地适应地球内部物质密度不均匀的实际情况，均衡异常值比空间异常值更小，变化更平缓且与地形无关。

Crustal isostatic model can best fit to the situation of density inhomogeneity of the earth .

川滇强震震前短期阶段地震活动空间异常特征

Spatial Characteristics of Seismicity Anomaly in a Short Term before the Strong Earthquakes in Sichuan and Yunnan

河西走廊春末夏初降水的空间异常分布及年代际变化

Abnormal Space Distribution of Precipitation in Hexi Corridor in the Late Spring and Early Summer and Its Inter-Decadal Variability

最后结合南海的自由空间异常、布格异常、均衡异常对重力异常进行了初步的地质解释。

Finally , the free air anomaly , the bouguer anomaly , the isostatic anomaly conducted a preliminary geological interpretation .

空间异常和布格异常的计算比较简单，物理模式清楚、单一，一般不存在争议。

The calculation and physical model of the free air anomaly and bouguer anomaly is simple and single , there is no dispute .

网格平均空间异常广泛应用于恢复地球重力场模型、垂线偏差、扰动位以及高程异常中。

Grid mean free-air anomaly is used widely in the determination of the gravity model , vertical deflection , disturbing potential and height anomaly .

结果表明：内蒙古典型草原区暖季蒸降差的主要空间异常型表现为全区一致偏高或偏低，这是典型草原区主要的空间型；

The results showed that the main spatial anomaly feature of the differences between the evapotranspiration and the precipitation during warm season was coincidently high or low .

高原地温空间异常可分为4个气候区，即东北部、南部、主体和西部。

The activity of the subject . The ground temperature abnormal area can be divided into four sub-regions , i.e. , north-east , south , center and west .

地球物理学家和地质学家通常把它与空间异常、布格异常放在一起，用来研究地壳深部的密度分布，地质构造以及圈定异常体。

Geophysicists and geologists usually associate it with free air anomaly , bouguer anomaly together , to study the density distribution of the deep crust , geological structure and the delineation of abnormal body .

压水堆堆芯换料方案设计关系到核电厂运行的安全性和经济性，但由于优化变量众多搜索空间异常庞大，是一个十分复杂的组合优化问题。

Reload design is directly related to the economy and safety of a Pressurized Water Reactor ( PWR ) . Because of the large search space and large number of optimization variables , PWR LP search is a very complicated combinatorial problem .

基于小区域范围内空间异常与高程的相关性，改进了传统加权内插算法，提出了反高差加权算法和反高差平方加权算法并用于计算网格平均空间异常。

Based on the correlation of the space anomaly and elevation within a small region , distance reciprocal and square distance reciprocal interpolation algorithms are put forward in this thesis to calculate the grid mean free-air anomaly , which are promoted from the traditional weighed interpolation algorithms .

GPS实测数据的反演结果证实了该改进方法的有效性，该方法明显的改善了电离层层析图像重建质量，尤其在TEC数据不足以及空间天气异常情况下改善效果是非常明显的。

Inverted results from actual GPS observations demonstrated its effectivity to the reconstruction of ionospheric electron density distribution . The new method improves the reconstructed image quality of ionospheric tomography manifestly , especially in the case of insufficient TEC data and space weather anomalies . 2 .

根据Stokes积分和空域截断逼近模式，推导了内区格网空间重力异常（大地水准面上）、外区全球重力场模型与大地水准面计算精度的解析关系。

Based on the Stokes formula and the spatial domain truncation approximation method , the analytic relationship was deduced between free-air gravity anomalies grid on geoid used in the inner area , global geopotential model in the outer area and precision of regional gravimetric geoid .

应用FHD磁力仪垂直分量分钟值观测资料，初步分析了地震之前的日变空间相关性异常。

By using the data of FHD vector proton precession magnetometer in the 1.0 min. sampling rate , we preliminary analyzed the anomalies of daily-variation spatial correlation before an earthquake occurred in this paper .

高分辨率格网空间重力异常的精密确定

Precise Determination of Grid FA Gravity Anomalies with High Resolution

陆地平均空间重力异常推值方法的研究

Investigation on the Prediction Methods of Land Mean Free-air Anomalies

张北地震前地磁空间相关异常特征

Abnormal characteristics of geomagnetic spatial correlation before Zhangbei earthquake

卫星重力测高能提供高分辩率的空间重力异常资料。

Satellite altimetry can easily provide the space gravity data of the highest resolution .

我国5′×5′平均空间重力异常的计算及检核

The Computation and Check of Mean Air free Gravity Anomaly of 5 ′× 5 ′ Grid in Our Country

分析认为，在台湾及其邻海的重力场中，具有短波长特征的空间重力异常受地形与海深所制约。

Short wave gravity anomaly is correlated to sea floor topography in gravity field of Taiwan and its adjacent regions .