dng

With double - negative metamaterials constructive relation, we deduce the differential equations that describe characters wave in DNG.

由双负介质的本构关系出发,利用时频转换关系, 推导出了描述双负介质中场与流的微分方程组.

We initiate on Dynagreen (DNG)with OW(V) on EPS recovery, potential to lower finance costs, visible growthtrajectory and its SOE background.

由于EPS的恢复，公司的增长潜力和更低的财务成本，可见的增长轨迹和国企背景，我们首次对绿色动力环保给予买入评级。

The numerical simulation of the new type of DNG is studied by using FDTD method and CST software, and the physical mechanism analysis for this structure is discussed in detail.

用时域有限差分法和CST 软件对该新型结构进行了模拟对比，并对其物理机理进行了分析，解释了其双负效应发生的原因。

Numerical results show that DNG can reduce the backscattering of objects, but increase forward scattering of objects simultaneously.

数值结果表明，双负介质减小目标后向散射，同时增大了目标的前向散射。

Firstly, the numerical simulation of DNG unit is studied using FDTD method.

首先，应用FDTD法对双负介质单元进行模拟。