Calculation and simulation measurement have been done in two dimension fashion for the electric field of the pictorial drift chamber.

对图象漂移室电场作了二维模拟测量和计算。

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The dielectric barrier surface discharge process is simulated using Poisson's equation and drift-diffusion equation and the distribution history of electron, ion and electric field is gained.

采用泊松方程和漂移-扩散方程对介质阻隔面放电进行数值模拟，得到了电子、离子以及电场分布随时间的变化。

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The ions would drift in the electric field, whereas the movement of ions became complicated due to the magnetic disturbances which have greatly reduced the reliability and stability of FAIMS.

电场的作用使离子定向漂移，而磁场的干扰使离子的运动变得复杂，从而大大降低了FAIMS的可靠性和稳定性。

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