其结果对偶极子阵列的研究和实践有较大的意义。
This will be important for the research and practice of antenna arrays .
结果表明，对于半波长的偶极子阵列，当阵元间距为半波长时性能达到最佳。
The results indicate that a half-wave dipole array has good performance when array element space is also half-wave.
论文叙述了系统总体方案，偶极子阵列声波信号数据采集与处理模块的设计与实现。
This paper has discussed the scheme of the system, the design and realization of the data acquisition and processing module.
正交偶极子阵列声波测井仪中前端信号采集和处理单元大量使用了VCVS有源滤波器。
VCVS active filters are greatly used in front signal acquisition and processing unit of the Cross Multipole Array Acousticlog tool.
利用电偶极子辐射场的矢势导出了阵列偶极子在导电媒质中辐射场的一般形式，所给出的公式不仅适用于近区、感应区，而且还适用于远区。
When the double and array dipoles are put in the conductive media, the formula of radiation field of them have been derived from vector potential equation of single dipole.
天线单元主要采用空气微带天线、四偶极子天线，并对这两种天线构成的定向阵列天线进行了分析、仿真和设计制作。
We mainly use air microstrip antenna and four-dipole antenna as the antenna elements. Directional array antenna which is composed of two antennas is analyzed, simulated and designed.
在完成对数据的解编之后，分析并总结在不同地层情况下阵列声波单极子和偶极子的波形特征。
After this we analyzed and summarized monopole and dipole array acoustic waveform data under the different strata.
提出一种从四分量正交偶极子声波阵列波形数据中提取地层剪切波方位各向异性参数的有效方法。
A new method for estimating formation S-wave anisotropy parameters from 4-component (4-c) data in cross-dipole array acoustic logging is proposed.
提出一种从四分量正交偶极子声波阵列波形数据中提取地层剪切波方位各向异性参数的有效方法。
A new method for estimating formation S-wave anisotropy parameters from 4-component (4-c) data in cross-dipole array acoustic logging is proposed.
应用推荐