与地震相关的电磁异常现象近来被认为是一种有希望解决地震短临预报的有效方法。
However, earthquake-related electromagnetic phenomena are recently considered as a promising candidate for short-term earthquake prediction.
基于对观测信号的时域、频域分析的比较，给出了干扰信号与异常电磁辐射信号的判别方法。
Based on observed signals analysis and comparison in time - domain and frequency -domain, the method of distinguishing interfere signals and abnormal electromagnetic radiation signals is given.
电磁导数场概率成像方法是一种侧重于识别地质异常体的成像反演方法。
The probability tomography of electromagnetic field-derivative method is an imaging inversion method that emphasizes particularly on singling out the anomaly.
首先扼要介绍了电极法地震电磁辐射的仪器性能、干扰概况和干扰与异常的识别。
This paper briefly introduces the performance of seismic electromagnetic radiation instrument of electrode, general situation of interfrence, and the identification of interfrence and anomalies.
高灵敏电磁阀控制水流，随动控制系统，操作异常简便。
High sensitive electromagnetic valve control the flow of water, the servo control system, the operation is extremely simple.
实践证明，瞬变电磁法是探测金属矿体、小窑采空区等地质异常体的一种有效手段。
Practices demonstrate that the method is an effective means to detect geologic anomaly bodies of metal ore body and small mine gob area.
本文对电磁波测距边投影归算中的高程异常精度问题进行了讨论。
This paper is concerned with the accuracy of height anomaly in the reduction of length projection for EDM.
本文记述了厦门市地震局几年来开展电磁波观测的情况，以及对各种非震异常信号的识别探索。
This paper reported the situations of developing electromagnetic wave observation before earthquakes in Xiamen city and the explorations on recognizing varieties of non-earthquake signals.
火力发电机组的发电机内存在强烈的电磁干扰，常使多数温度测点在DCS显示异常。
Due to strong electromagnetic interference exists inside power generator, in displays of the DCS, many temperature measurements are in abnormal.
本文用三维有限差分法，在计算电导率异常的电磁响应时作了一次网格收敛试验。
We present a mesh convergence test of the 3-d finite difference method for computing the electromagnetic response of a buried conductivity anomaly.
本文介绍了停油电磁铁应用过程中的一起异常烧坏故障以及故障原因分析和有关的电路改进方法。
This paper introduces a exceptional malfunction about Fuel shut-off solenoid which happened during its working and analyses its causation and reasons out a solution to the problem.
观测结果表明，电磁波异常可以作为一种地震的短临预报指标。
The results observed show that electromagnetic wave anomaly can be regarded as a shortterm and imminent predicting index of earthquake.
大气环境对电磁波的吸收衰减作用使雷达的作用距离减小，大气异常折射现象使雷达的作用距离增大或减小。
Atmosphere absorbs the electromagnetic wave so that the radar detection distance be reduced, and the atmospheric unusual refraction changes the radar detection distance too.
对河南省濮阳市地震台电磁波的观测资料进行了研究，总结了其异常变化特征。
An analysis for the observation data of the electromagnetic wave of Puyang City was made, the anomalous characters were summarized.
结果表明，电磁波异常观测是一种有希望的临震预报手段。
The result obtained shows that observations of the electromagnetic wave anomalies might become a promising approach for earthquake predictions.
文中还给出了几种常用电磁装置在导电球体上电磁剖面异常理论曲线的计算公式。
The expressions for calculating the theoretical em profile anomalies of several commonly used em systems over a conducting sphere are also developed.
本文讨论了不均匀磁化等离子体片对圆极化电磁波、异常模电磁波的吸收，计算了不同条件下衰减率。
In this paper, the absorption of circularly polarized and the X-mode EM-wave by inhomogeneous magnetized plasmas is discussed, and the attenuations are calculated under different conditions.
这些异常进一步表明电磁波接收仪能反映地震前兆。
The anomalies showed that the electromagnetic receiver can reflect earthquake precursors.
应用MATLAB和FORTRAN语言，编制了相应的定回线源瞬变电磁三维异常特征反演可视化程序。
Furthermore, a 3-d anomalous characteristics linear inversion code has been programmed with MATLAB language and FORTRAN language.
大气波导会使雷达电磁波传播产生异常现象，研究其对雷达探测范围的影响具有重要意义。
Electromagnetic wave of radar propagates abnormally in the duct. It is very important to study the influence of the duct on radar detecting zone.
其二是如果给出了大地电阻率，则可计算时间域的航空电磁响应，因此可以校正由飞行高度改变引起的假异常。
The second is to estimate the time-domain airborne E. M. response, if the earth resistivity is given; therefore the pseudo-anomalies caused by the change of the flying altitude will be corrected.
对正演模拟数据进行反演的实例表明，定回线源瞬变电磁三维异常特征反演已得到初步实现。
The flow chart of the 3D inversion of anomalous data of fixed loop source TEM survey has also been given. A test inversion result of forward modeling data show that the method is effective.
对正演模拟数据进行反演的实例表明，定回线源瞬变电磁三维异常特征反演已得到初步实现。
The flow chart of the 3D inversion of anomalous data of fixed loop source TEM survey has also been given. A test inversion result of forward modeling data show that the method is effective.
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