基于光束传播法，对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM).
基于光束传播法，对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM).
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