PPPS-2013: Abstract: Analysis of half TEM horn antenna for high power UWB system

2013 Abstracts IEEE International Conference on Plasma Science (ICOPS) Pub Date : 2013-06-16 DOI:10.1109/PLASMA.2013.6635090

S. Umbarkar, S. Bindu, H. Mangalvedekar, P. C. Saroj, Archana Sharma, K. C. Mittal

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Abstract

Ultra Wideband (UWB) system has many applications such as target object detection, transient radar, mine clearing, detection of crack on underground pipeline, water purification, electronic effects testing, and jamming. This system consists of Marx generator, peaking capacitor, peaking switch and radiating element (antenna). The complete transient analysis of half transverse electromagnetic (HTEM) horn antenna integrated to the peaking stage is modeled in CST microwave studio. The simulation model has triangular excitation input pulse feed to the peaking stage with 25 ns rise time, 150 ns pulse width and 113.75 kV peak amplitude. The radiated E far field is measured at 15 m distance gives the rise time 232 ps, pulse length 25 ns, and peak amplitude 14.886kV/m. The experiment for the same has been conducted and the E field is measured up to 50 m distance. The radiated field in the experiment is measured in open air. The amplitude of the maximum radiated far field, measured by using B dot sensor probe at different distance is match with the modeling results. The mathematical model is developed in MATLAB Simulink to calculate effect of step input on E far field radiation.

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摘要:高功率UWB系统半瞬变TEM喇叭天线分析

超宽带(UWB)系统在目标检测、瞬态雷达、扫雷、地下管线裂缝检测、水净化、电子效应检测、干扰等方面有着广泛的应用。该系统由马克思发生器、调峰电容、调峰开关和辐射元件(天线)组成。在CST微波工作室中对集成到峰值阶段的半横向电磁喇叭天线进行了完整的瞬态分析。仿真模型采用三角形激励输入脉冲馈送至峰值阶段，脉冲上升时间为25 ns，脉宽为150 ns，峰值幅值为113.75 kV。在15 m处测得辐射E远场，上升时间为232 ps，脉冲长度为25 ns，峰值幅度为14.886kV/m。对其进行了实验，并测量了50 m范围内的电场。实验中的辐射场是在室外测量的。用B点传感器探头在不同距离处测得的最大辐射远场幅值与建模结果吻合。在MATLAB Simulink中建立数学模型，计算阶跃输入对E远场辐射的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 Abstracts IEEE International Conference on Plasma Science (ICOPS)

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