000			02359nab a2200337 c 4500
001			vtls000653387
003			RU-ToGU
005			20220315162645.0
007			cr |
008			190507|2018 ru s a eng d
024	7		_a10.1134/S0020441218010116 _2doi
035			_ato000653387
040			_aRU-ToGU _brus _cRU-ToGU
245	1	0	_aRadiation of high-power ultrawideband pulses with elliptical polarization by a conical helical antenna _cY. A. Andreev, A. M. Efremov, M. Y. Zorkaltseva [et.al.]
504			_aБиблиогр.: 13 назв.
520	3		_aA high-power source of ultrawideband radiation with elliptical polarization was developed on the basis of exciting a conical helical antenna by a bipolar voltage pulse with a length of 1 ns. The antenna parameters were preliminarily estimated using analytical formulas and then optimized via numerical simulation. The results of low-voltage test measurements were compared with the data that were obtained using a program that was developed on the basis of the finite-difference method in the time domain. In high-voltage measurements, the energy efficiency of the radiator was 0.85 and the coefficient of the hodograph ellipticity measured along the antenna axis was 0.9. The effective radiation potential of the source at an amplitude of bipolar voltage pulses of 190 kV was 270 kV, while the efficiency with respect to the peak field strength was 1.35. The high-power source of ultrawideband radiation operated at a pulse repetition frequency of 100 Hz.
653			_aконические спиральные антенны
653			_aэллиптическая поляризация
653			_aсверхширокополосное излучение
655		4	_aстатьи в журналах _9745982
700	1		_aAndreev, Yury A. _9567751
700	1		_aZorkaltseva, M. Yu. _9492958
700	1		_aKoshelev, Vladimir I. _9480470
700	1		_aPetkun, A. A. _9492959
700	1		_aEfremov, Anatoly M _9492960
773	0		_tInstruments and experimental techniques _d2018 _gVol. 61, № 1. P. 68-74 _x0020-4412
852	4		_aRU-ToGU
856	4		_uhttp://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000653387
908			_aстатья
999			_c451113