The four-pole parameters of a straight duct and transmission loss of an expansion chamber have been calculated and compared with the results obtained by means of one-dimensional theory.
文中计算了直管段的四极参数及膨胀腔的传递损失，并与一维理论结果进行了比较。
2
The present invention relates to a vacuum covering equipment which is provided with a transmission system for the plate substrate that is transmitted through a vacuum chamber.
本发明涉及一种真空涂覆设备，其具有用于平板衬底的传输系统，平 板衬底被传输通过真空室。
3
To simulate transmission conditions of EM wave in free space, the biomedical microwave anechoic chamber used for biomedical engineering research was developed.