推导了计算一维时变磁化等离子体的时域有限差分(finite difference time domain,FDTD)的递推式,分析了一维情况下的时变等离子体中电磁波的频域特性,并通过选取算例,验证了该方法的准确性。对将等离子体频率按时间分为3个阶段的复杂情...推导了计算一维时变磁化等离子体的时域有限差分(finite difference time domain,FDTD)的递推式,分析了一维情况下的时变等离子体中电磁波的频域特性,并通过选取算例,验证了该方法的准确性。对将等离子体频率按时间分为3个阶段的复杂情况进行了计算分析,通过改变时变磁化等离子体占空比,得出了时变磁化等离子体对电磁波有频率漂移和频谱展宽等规律。展开更多
ith the aid of a fibre optical device, the profile of plasma parameters, such as plasma length and noise power spectrum, in a normally enclosed TM 010 cavity was probed. Experimental results show that the physical len...ith the aid of a fibre optical device, the profile of plasma parameters, such as plasma length and noise power spectrum, in a normally enclosed TM 010 cavity was probed. Experimental results show that the physical length of a plasma is linearly related to the microwave power applied and that the profile of noise power spectra varies significantly along the length of a plasma.展开更多
文摘推导了计算一维时变磁化等离子体的时域有限差分(finite difference time domain,FDTD)的递推式,分析了一维情况下的时变等离子体中电磁波的频域特性,并通过选取算例,验证了该方法的准确性。对将等离子体频率按时间分为3个阶段的复杂情况进行了计算分析,通过改变时变磁化等离子体占空比,得出了时变磁化等离子体对电磁波有频率漂移和频谱展宽等规律。
文摘ith the aid of a fibre optical device, the profile of plasma parameters, such as plasma length and noise power spectrum, in a normally enclosed TM 010 cavity was probed. Experimental results show that the physical length of a plasma is linearly related to the microwave power applied and that the profile of noise power spectra varies significantly along the length of a plasma.
基金the USTC Research Funds of the Double First-Class Initiative(YD3420002002)the Youth Innovation Promotion Association CAS(2020451)Fundamental Research Funds for the Central Universities(WK3420000011).
