space charge wave

Space charge wave revision to the electron beam bunching caused by radiation wave in klystron

在速调管中空间电荷波对辐射波引起的电子束群聚的修正

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The numerical results show the two-stream instability of two electron beams can produce Cherenkov radiation through the interaction between the fast space charge wave and the slow space charge wave, and the frequency of radiation can be above the plasma frequency.

针对不同参数对色散方程进行数值计算，发现当两根电子注之间存在速度差时，通过快慢空间电荷波的相互作用，两电子注引起的双流不稳定性可以产生契伦柯夫辐射；

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Using a relatively strict method, the formulas of the harmonic current of the modulated electron beam in the klystron and Cherenkov devices were derived in the relativistic regime, in which the effect of the space charge wave was taken into account.

在相对论情况下，导出了速调管（klystron）和契伦柯夫（Cherenkov）器件中考虑空间电荷波影响的被调制电子束的谐波电流公式；

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The role of the space charge wave is that it makes bunching reduce at small signal, but it makes bunching enhance at large signal.

并且分析了空间电荷波对电子束群聚的影响：在小信号时使群聚减小；在大信号时使群聚增强。

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Under the assumption that the electron beam is single-velocity and one-dimensional, the transmission equation of space charge wave set up in the conical electron beam is derived and the process of noise impedance transformation is obtained.

在单速、一维假定下，推导了球形收敛电子注上的空间电荷波传播方程和噪声阻抗的变换过程。

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The theorem of relativistic kinetic energy has been derived, and the normalized model of relativistic space charge wave is derived as well.

导出了相对论电子注的动功率流定律，求得了相对论空间电荷波的正规模式。

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And the fast space charge wave can be used for low-noise parametric amplifier design.

而快空间电荷波则可用于低噪声参量放大器的设计。

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On the Space Charge Wave of the Beam Without External Magnetic Field

无引导磁场电子注的空间电荷波

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The space charge wave equations for relativistic electron beam have been derived, the relativistic kinetic voltage is defined and the physical explanation is described.

导出了空间电荷波方程，定义了相对论动电压，并探讨了它的物理含义；

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By means of the relativistic space charge wave theory, the space charge wave equation is obtained when the relativistic electron beam guided by a axial magnetic field is moving along the inner surface of the plasma sheet.

利用相对论空间电荷波理论，导出了相对论电子注在轴向磁场引导下沿等离子体内表面传输时的空间电荷波方程；

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The PIC Simulation of the Space Charge Wave in Plasmas

空间电荷波传播特性的PIC粒子模拟

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A small signal theory& space charge wave physics relevant to modulation properties of intense relativistic electron beams in klystron amplifiers is described in this paper.

介绍了在长脉冲强流相对论速调管（RKA）研究中强流相对论空心电子束（IREBs）的一种小信号群聚理&空间电荷波理论。

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