| 1. | New method for 4 - d parameters estimation in near - field sources
一种近场源四维参数的估计方法 |
| 2. | An algorithm for jointly estimating range , doa and frequency of near field source
频率及到达角联合估计算法 |
| 3. | Charge of field source
场源电荷 |
| 4. | Using experiment results as standardized data , the frequency responses collected by seafloor magnetotelluric measurements can be corrected to produce authentic information about the seafloor field source
实验数据可作为标定资料，对海底大地电磁探测的实测信号进行校正后，即可还原出真实的海底场源信息。 |
| 5. | In other words , when the same field source is observed in a different frame of reference , electric field or magnetic field will possess a different nature ; whereas when the frame of reference changes , they may change into each other
即同一场源在不同的参考系中观测，所得的电场或磁场具有不同的性质；而当参考系变换时它们可以相互转化。 |
| 6. | In order to extend the exploration depth of the transient electromagnetic instrument , the authors have successfully developed the strong field source transient electromagnetic instrument on the basis of adsorbing ripe technology in electron industry
摘要为加大瞬变电磁仪的勘探深度，通过吸收电子工业中成熟的技术成功研发出了强场源瞬变电磁仪。 |
| 7. | The theoretical model calculation shows that , under the condition without any priori information , the energy weight value resolved from the continuation field or the maximum characteristic value of the matrix related to the continuation field can be used to judge the position of the potential field source , thus determining the burial depth of the geological body
理论模型计算表明：在没有任何先验信息的条件下，可以用延拓场分解的能量权值异常或延拓场相关矩阵的最大特徵值，判断位场场源所在位置，从而能确定地质体的埋深。 |
| 8. | Based the basic principle of the accumulation of induced electric charges across the resistivity discontinuities and the induction current channeling inside the conductive bodies inspirited by the mt field , we set up the relation between the measured field on the earth surface and the distribution of the induced source underground by means of the defining the electric charge occurrence probability function and the electric dipole occurrence probability function and the spacial distributing of the " correlation probability " . the " image " of the field sources underground , or the distributing graphy of the induced electric charges and the induced current in the mesuring area can be drawed , from which we can get the outline of the geological anomaly on the meaning of the probability
大地电磁场概率成像方法是一种新的地球物理成像反演方法，它是根据在大电磁波场的激励下，地下介质电阻率间断处产生感应电荷积累和导体内部产生感应电流，从而产生感应电磁场的原理，相应地定义了感应电荷发生概率函数和感应电偶极子发生概率函数，通过“相关概率”发生的大小的空间分布，建立了地表观测场与地下场源空间分布的内在联系。地下场源分布概率的“像” ，即测区的感应电荷和感应电流的概率的分布图像，就是测区内地质体在概率意义下地质异常体的分布轮廓。 |
| 9. | It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth . in the moment of shutting the power it produce the volute alternating electromagnetic field . from the abnormity of measuring the attenuation character of the second induction electromagnetic field , which produced by underground medium with time change , the conductive capacity and the position of the underground non - homogeneous substance can be analyzed
瞬变电磁法( transientelectromagneticmethod )是一种时间域的电磁勘探方法，利用阶跃波或其它脉冲电流场源激励，在大地产生过渡过程场，断电瞬间在大地中形成涡旋交变电磁场，测量这种由地下介质产生的二次感应电磁场随时间变化的衰减特性，从测量得到的异常分析出地下不均匀体的导电性能和位置，从而达到解决地质问题的目的。 |
| 10. | In the other hand the program ' s translating the abstract inverse result of the all - direction imagery for local gravity and magnetic sources which is the spatial location and the shape of the field sources into the direct and visual graphics will lend itself to popularize and apply the theory of all - direction imagery for local gravity and magnetic sources in society
另一方面可视化应用程序将抽象的三维局部重磁场源全方位成像反演结果，即场源的空间位置和形态用直观而形象的图形来表示，将有助于全方位成像理论和方法在生产单位推广和应用。 |
