An unidirectional dielectric radiator for antenna is simulated with FDTD method on PC. The radiation pattern is calculated and numerical results agree with experimental results .

在PC机上应用扩展虚拟内存技术对一种 单向介质 辐射器（UDR）模型进行了FDTD模拟，求出了远场区辐射方向图，得出的数值结果与实测值较好地吻合；

In order to have the high-power-microwave ( HPM ) source of the three-unit transit-time tube oscillator ( TTTO ) has the character of unidirectional beam and line polarization a circular waveguide bevel cut radiation antenna is designed .

为了使三腔渡越管振荡器高功率微波源的输出具有 单向波束及线极化的辐射特性，设计了圆波导斜劈结构的伏拉索夫型 天线。

Radiation Characteristics of Unidirectional BS Antenna for Cellular System

蜂窝系统基台 定向 天线的辐射特性