Comparison of effective potentials of ultra-wideband combined and helical antennas
Comparative experimental studies of combined and spiral UWB antennas were carried out. The antennas are optimized for excitation by bipolar voltage pulses of 1 ns duration. Antennas matching with the feeder was studied in the frequency domain. Antenna patterns by the peak radiated field were studied in the main planes in the time domain. The values of the effective potential in the maximum radiation direction were also studied in the time domain. Studies were made with the same exciting voltage pulse on the antenna inputs. The probability was found that the effective potential on the axis of the helical antenna would be greater than the effective potential in the main direction of radiation of combined antennas at an arbitrary orientation of the receiving linearly polarized antenna. This probability is 0.6.
Keywords
комбинированная сверхширокополосная антенна,
спиральная антенна,
эффективный потенциал,
поляризационная диаграмма,
combined UWB antenna,
helical antenna,
effective potential (figure-of-merit),
polarization of the antenna radiationAuthors
| Andreev Yu.A. | Tomsk Scientific Center SB RAS; Institute of High Current Electronics SB RAS | andreev@lhfe.hcei.tsc.ru |
| Smirnov S.S. | Institute of High Current Electronics SB RAS | sssmirnov@sibmail.com |
| Zavyalova K.V. | National Research Tomsk State University | ksu.b@mail.ru |
| Xi Y. | Xi’an Jiaotong University | yzxie@xjtu.edu.cn |
| Qiu Y. | Xi’an Jiaotong University | yxinqiu@163.com |
Всего: 5
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