介电扫描仪天线振子结构特性分析  

Structural Characteristics Analysis of Antenna Dipole for Dielectric Scanner

作　　者：李双惠 王琛琛 胡静 Li Shuanghui;Wang Chenchen;Hu Jing(School of electronic engineering,Xi'an Petroleum University,Xi'an 710000,China;Shanxi Key Laboratory of photoelectric sensor logging,Xi'an 710000)

机构地区：[1]西安石油大学电子工程学院,陕西西安710000 [2]陕西省光电传感测井重点实验室,陕西西安710000

出　　处：《山东化工》2021年第6期189-191,195,共4页Shandong Chemical Industry

摘　　要：采用斯伦贝谢公司介电扫描仪,建立了两版天线模型,通过控制变量法,研究在空气中,垂直极化天线尺寸对其辐射特性的影响。结果表明:天线模型的S21响应幅度不受腔体深度影响;而腔体半径、天线在腔体内位置对天线的S21响应幅度均会产生影响。且天线距腔体开口位置越近或腔体半径越大其信号接收强度越大。环形天线模型中金属圆环半径与改变全尺寸天线模型中腔体大小对天线幅度响应的影响效果一致。并且改变线径可改变环形天线的频散特性。In this paper,two versions of antenna model are established by using Schlumberger company's dielectronic ScannerTM wide-band dielectric logging tool to study how the size of vertical polarization antenna affects its radiation characteristics in air is studied by control variable method.The results show that the S21 response amplitude of the antenna model is not affected by the depth of the antenna in the cavity;however,the radius of the cavity and the position of the antenna in the cavity can affect the S21 response amplitude of the antenna.And the closer the antenna is to the cavity opening or the larger the cavity radius,the stronger the signal reception intensity is.And the effect of the radius of the metal ring in the ring antenna model is consistent with that of changing the cavity size in the full-scale antenna model on the antenna amplitude response.And the dispersion characteristics can be changed by changing the wire diameter.

关 键 词：介电测井 天线 介电色散 垂直极化 

分 类 号：P62[天文地球—地质矿产勘探]