00704naa#a2200217#i#450# EN\INFRA-M\bibl\26799 20241124051708.7 2712-9640 20190628b2019####ek#y0engy0150####ca RUS RU Comparing simulated results of folded and unfolded log-periodic antenna used for observing the Sun Journal article Moscow INFRA-M Academic Publishing LLC. 2019 5 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 RUS Sha Li Yihua Yan Zhijun Chen Wei Wang zh-szf.ru