随着人们对通信数字化、宽带化、个人化、移动化的要求，OFDM正在成为移动通信中的研究热点。
With urged demand on the digital, wideband, personal and mobile communication, OFDM has become one of the hottest topics in this field.
它还负责监督采购，为数字化战场开发并集成安全战术通信。
It also oversees the acquisition, development and integration of secure tactical communications for the digitized battlefield.
按照数字化战场的决策，无线电通信设备、夜视护目镜以及其他电子设备是士兵的背包中必须的物品。
Following the decision to digitize the battlefield, radio communication equipment, night-vision goggles, and other electronic equipment become essential items in a foot soldier's backpack.
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