An eigenmode equation of ion temperature gradient driven instability in a tokamak plasma with negative magnetic shear is solved numerically by the shooting method.
采用打靶法，数值求解了在负磁剪切托卡马克等离子体中离子温度梯度驱动的复本征模方程。
The eigenmode equation in this dissertation can also be used to study the ETG mode, the drift Alfven waves, and so on. So it provides a unique frame to study the low frequency drift instabilities.
由于完整地包含了离子和电子的动理学行为，本文的模型方程也可以研究ETG模，漂移阿尔芬模等不稳定模态，并且为在同一的框架内研究低频漂移不稳定性提供了平台。
The eigenmode of a hollow waveguide with two curved surfaces was analyzed with Helmholtz equation and the transmitting efficiency of the hollow waveguide was analyzed with a ray optics approach.
通过亥姆霍兹方程研究了双弯曲截面柔性波导的本征模式；运用光学方法计算了波导的传输效率。
The eigenmode of a hollow waveguide with two curved surfaces was analyzed with Helmholtz equation and the transmitting efficiency of the hollow waveguide was analyzed with a ray optics approach.
通过亥姆霍兹方程研究了双弯曲截面柔性波导的本征模式；运用光学方法计算了波导的传输效率。
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