The general trailing antenna have some disadvantages, such as large noise, low efficiency and shallow communication death so on.
常规拖曳天线通信存在噪声大、效率低及通信深度浅等缺点，从而严重影响潜艇战斗性能的发挥。
The Dual Trailing Wire Antenna(DTWA) on an Aircraft antenna system is used to transmit VLF/LF messages to submarines.
机载甚低频天线系统中的双拖曳天线是用于对潜通信VLF/LF的发射天线。
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