慢波系统一般采用周期性结构，其中传输的电磁波需要满足十分复杂的边界条件。
Slow-wave systems generally employ periodic structures, and the electromagnetic waves transmitted therein are required to satisfy very complicated boundary conditions.
无源雷达由于不发射电磁波，因而不易被敌方侦察系统探测到。
Transmitting no electromagnetic wave, passive radar cannot be detected by hostile reconnaissance system.
介绍了D JY - 2000b型地震电磁波脉冲观测系统的组成、工作原理、主要功能和技术指标等。
The structure, principle of working, primary functions and technical features of the Observation System of DJY-2000B Seismic Electromagnetic Impulse are introduced.
应用推荐