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- Keywords DC resistivity method;finite element method;3-D forward modeling algorithm;3-D inversion algorithm;undulate topography; 电阻率法;有限单元法;三维正演模拟算法;三维反演算法;起伏地形;
- DC resistivity method 直流比阻法
- At last, we verify the effect of proposed algorithm by applying it to the DC resistivity monitoring data. 最后，以直流电阻率监测数据反演为例，验证所提算法的有效性。
- Torres-Verdin,Druskin C,Fang V.A dual-grid nonlear inversion technique with applications to the interpretation of dc resistivity data[J].Geophysics,2000,65:1733. 阮百尧.;视电阻率对模型电阻率的偏导数矩阵计算方法[J]
- The results prove that high-density resistivity method used in the limestone regions has good practical results. 结果证明了高密度电法应用在灰岩地区具有较好的实际效果和应用前景。
- This paper analyzed the case of unbalanced DC resistance for on-load regulating transformator,and also presented some traeting method. 分析有载调压变压器不平衡的原因,找出可行的处理方法,使变压器直阻达到平衡。
- This provides reference to transformer DC resistance test. 为变压器直流电阻试验提供借鉴。
- Practice shows that the successfulness rate of resistivity method in water exploration of this desert area is higher than 70%. 实践表明，利用电阻率法在该地区找水的成功率可达70%25以上。
- The comparison of the detected result with the design drawing indicates that the high density resistivity method is feasible and effective. 经与施工设计图比较验证，表明高密度电法工作的有效性。
- The method to verify DC resistance box automatically using digital multipurpose meter is introduce as well as the software and program,and the error analysis is done. 介绍了用数字多用表自动检定直流电阻箱的方法及软件程序,并进行了误差分析。
- Due to the features of low cost, high efficiency etc, the high density resistivity method is widely used in engineering geological exploration. 摘要高密度电阻率法勘探以其生产成本低，工作效率高等特点，在工程地质勘察中得到了广泛的应用。
- The paper introduces the saturable magnetic circuit method to measure the DC resistance of low voltage winding of large-size transformer with a practical application. 介绍了一例用助磁法测量大型变压器低压侧直流电阻的接线、仪器、测试过程和测试结果,讨论了助磁法运用于实际应注意的一些问题。
- When measuring winding DC resistance by sensibility load ohmmeter, the connection and the measure method shall comply with equipment technical requirements. 用感性负载速测欧姆计测量绕组直流电阻时;其接线及测量方法应符合测试仪器的技术要求.
- There is full-space field, drift space effect and the complicated interfere in the pit, which have restricted in the popularization and application of mine high density resistivity method in coal mine. 但井下存在全空间场、巷道影响、干扰复杂的特殊性，制约了矿井高密度电阻率法在煤矿井下的推广应用。
- At low frequencies, the DC resistance of a given conductor is essentially the same as its AC resistance. 在低频情况下，给定的导体的直流电阻实际上与其交流电阻一样。
- The technical index and calibration level of the DC resistance voltage divider are analyzed,the uniform calibration method is proposed,the uncertainty is analyzed and the checking method is given. 分析了直流电阻分压箱的技术指标和校准水平，提出了等分测量的校准方法，进行了不确定度分析，给出了验证方法。
- The operating principle and verifying method of the whole verifying DC resistance instruments with high accuracy by using DMM are analized emphatically and the calculation of the uncertainty is done. 介绍了几种整体检定直流电阻仪器的检定方法,着重分析了用数字多用表整体检定高准确度直流电阻仪器的工作原理和检定方法,并进行了不确定度的计算。
- The bandwidth can be expanded by decreasing the compensation winding DC resistance or increasing theimpedance gain. 因此减小补偿绕组的直流电阻,即增大其阻抗增益,可以扩展系统的频带宽度。
- Internal electrodes feature low DC resistance, minimizing wasteful power consumption. 内电极特色为低直流阻抗;抑低无谓的电流损耗.
- The electrodes follow the ASTM Standard D257 entitled “DC Resistance or Conductance of Insulating Materials. 其电极满足ASTM标准D257“绝缘材料的直流电阻或电导”的要求。
