虚阴极振荡器

同轴虚阴极振荡器是GW水平的空间电荷器件，是基于在静电场中振荡的相对论性电子注的轫致辐射的高功率微波源。

Coaxial vircator ( VCO ) is a gigawatt-class special charge microwave tube , is a high power microwave source based on Bremsstrahlung radiation produced by relativistic electronic beams oscillated in static electric field .

相对低的束&波能量转换效率、频率漂移和输出功率的不稳定仍是虚阴极振荡器类型的高功率微波源的主要缺点。

The pretty low beam-microwave transmission efficiency the frequency shift from shot to shot the uncertainty of the output microwave power are still the main drawbacks of the VCO type HPM sources .

对向内发射同轴虚阴极振荡器微波主频进行了解析求解，利用稳态相对论流体Maxwell方程组得到了微波主频所满足的方程；

The dominant frequency in an inward-emitting coaxial virtual cathode oscillator is solved analytically based on the steady-state relativistic-fluid-Maxwell equations .

用三维全电磁PIC方法对一种利用反馈微波信号调制入射电子束的新型虚阴极振荡器进行了粒子模拟研究。

A 3 dimension particle in cell ( PIC ) code is used to simulate The virtual cathode oscillation ( VCO ) with e beam modulated by self feedback micro .

粒子模拟结果表明，在二极管电压400kV，束流50kA的条件下，径向三腔同轴虚阴极振荡器在4.14GHz处获得了平均功率约2.45GW的微波输出，功率转换效率达到12%。

With an electron beam of 400 kV and 50 kA , a peak instantaneous power about 6 GW is achieved by simulation at 4.14 GHz . The peak period-averaged power reaches 2.45 GW and the beam-wave conversion efficiency is about 12 % .

束流调制型虚阴极振荡器的研究

Study on Virtual Cathode Oscillator with E-beam Modulated WOUNDED PATIENT FLOW

虚阴极振荡器的谐振频率机理分析

The Mechanism of the Syntonic Frequencies of Virtual Cathode Oscillator

其次，研究了虚阴极振荡器的功率和模式特性。

Second , we simulate the power and mode characteristics .

新型径向三腔同轴虚阴极振荡器的模拟研究

Radial three - cavity coaxial virtual cathode oscillator

介绍了准光腔型虚阴极振荡器。

The paper introduces a virtual cathode oscillator ( vircator ) with quasi-optical resonator .

同轴虚阴极振荡器实验研究

Experimental study on coaxial virtual cathode oscillator

虚阴极振荡器的研究进展

Advances in Virtual Cathode Oscillators

虚阴极振荡器作为一种高功率微波器件，其最大缺点是束波转换功率效率较低。

The virtual cathode oscillator ( VCO ) has historically suffered from relatively low beam-wave power conversion efficiency , which is the major disadvantage of the device .

虚阴极振荡器是一种重要的高功率微波器件，具有结构简单、频率易调、束流质量要求低等特点；

The virtual cathode oscillator ( vircator ) is one of the most promising high-power microwave sources because of its conceptual simplicity , high-output power capability , and its tenability .

运用改进的“环形输运”模型和粒子模拟方法研究了调制型虚阴极振荡器中束流调制参数变化对虚阴极振荡器特性的影响。

Virtual cathode oscillator ( vircator ) with electron beam ( e-beam ) modulated was studied using an improved " cellular conveyer " model and particle in cell ( PIC ) simulation .

计算结果给出了脉冲变压器、电爆炸丝和虚阴极振荡器的参数选择对负载上获得的电压、电流的影响。

Numerical results show that parameters of the pulse transformer and the electric exploding wires along with the transparency of the anode foil affects the voltage and the current of the Vircator load .

对以往的同轴虚阴极振荡器理论研究进行了比较详细的总结和补充。

Old theory of virtual cathode oscillator has been summarized and supplemented in detail . Second , comparing to the axial virtual cathode oscillator , the coaxial virtual cathode oscillator has been studied by PIC simulation method in detail .