passive jamming

• 无源干扰

passive jamming的用法和样例：

例句

1. Several methods and techniques concerning active jamming are presented.
   提出了实施有源干扰的一些方法和技术。
2. The virtues of the millimeter wave technique were introduced and the passive countermeasures were put forth.
   因此，本文介绍了毫米波技术的优点及其可行的一些无源干扰方法。