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。
2
Transmitting effects of aero-optics is very important to optical imaging probing system of interceptor, as it may cause displacement, jitter and blurring of image to receive for the system.