两能级原子与外部环境(热库)相互作用时，采用非旋波近似，研究原子与热辐射场单光子和双光子作用过程。
The interaction of a two-level atom with a thermal radiation field for single-photon processes and two-photon processes without rotating wave approximation is analysed.
单站无源定位与跟踪技术由于自身不辐射电磁波，在电子侦察中扮演着重要角色。
Passive locating by single station technology is not radiate electromagnetic wave when measuring the target's position; it has broad application in electronic reconnaissance.
详细研究了毫米波无辐射介质波导正交场单平衡混频器在双频信号激励下的准周期稳态响应。
The quasi periodic steady states of the NRD guide crossbar balanced mixer operating on mm band are studied in details in this paper.
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