分米波 - 百度百科
振荡电偶极子辐射出的电磁波为横磁波（即TM波），当距离振荡电偶极子足够远时，并且波是在无限大均匀介质（或是真空）中传播时，可以视此时的电磁波为平面电磁波，平面电磁波是横电磁波（即TEM波），横波具有偏振特性。 由半波折合振子发射出的分米波，为线偏振波，其电场始终沿天线轴线方向振荡。 若将接收天线沿不同的方向放置，通过检测分米波在接收天线上激励的电流强弱可以让我们很清楚了解到分米波电矢量的振动方向。 由折合振子辐射出的分米波其辐射强 …
Decimeter-Wave Resonant Relativistic BWO | Radiophysics and
We show the possibility of a 15% oscillation-frequency change corresponding to the FWHM power level by varying the period of a slow-wave structure at constant electron-beam parameters. In this paper, we present the results of numerical and experimental studies of a resonant relativistic backward-wave oscillator.
Decimeter-range resonant relativistic BWO - ResearchGate
2003年1月1日 · An X-band dual-frequency coaxial relativistic backward-wave oscillator (CRBWO) with sectioned slow-wave structures (SWSs) is presented and investigated in this paper.
At present, a relativistic backward-wave oscillator (BWO) realized for the first time in the beginning of 1970s [1] is one of the most efficient sources of coherent radiation with a gigawatt power in the centimeter
Decimeter-Wave Resonant Relativistic BWO: Proceedings of the …
2003年10月1日 · In this paper, we study an X-band klystron-like relativistic backward wave oscillator (RBWO) with a pre-modulation cavity, modulation ridge, drift tube in the slow wave structure (SWS) and...
Simulation of Conditions for the Maximal Efficiency of Decimeter-Wave ...
2014年2月28日 · Simulation is based on a real electron-optical system and real parameters of the cavities. It is shown that the maximal efficiency (across the load) is 83% for a four-cavity klystron, 86% for a...
Decimeter-Wave Resonant Relativistic BWO - NASA/ADS
We show the possibility of a 15% oscillation-frequency change corresponding to the FWHM power level by varying the period of a slow-wave structure at constant electron-beam parameters. In this paper, we present the results of numerical and experimental studies of a resonant relativistic backward-wave oscillator.
Simulation of conditions for the maximal efficiency of decimeter-wave ...
2014年4月5日 · Using the mathematical model of electron beam transformation in a narrow tube developed by the authors and the KlypWin program suite, conditions for the maximal efficiency of decimeter-wave klystrons having from three to six amplification stages are simulated. Simulation is based on a real electron-optical system and real parameters of the ...
2021年5月23日 · The decimeter wave absorption and temperature rising mechanisms of transition metal-oxide are analyzed, the wave absorption and temperature rising tests are conducted, and the temperature rising rates are compared.
Study on the decimeter wave absorbing materials - IOPscience
2021年4月1日 · The decimeter wave absorption and temperature rising mechanisms of transition metal-oxide are analyzed, the wave absorption and temperature rising tests are conducted, and the temperature rising rates are compared. Testing results show some transition metal-oxides have good absorption of decimeter wave.