OFDM as a result of high frequency spectrum utilization, in support of asymmetric transmission, easy-to-hardware, anti-frequency selective fading and anti-interference ability to highlight the narrow-band, etc, are widely used in many fields.
由于OFDM具有高频谱利用率、支持非对称传输、易于硬件实现、抗频率选择性衰落和抗窄带干扰能力突出等优点,被广泛应用于众多领域。
参考来源 - OFDM系统中信道估计的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
利用光学传输矩阵方法研究对称和非对称一维缺陷光子晶体的缺陷模式特性。
The mode properties of symmetric and non-symmetric one-dimensional photonic crystals with a sandwich layer defect were investigated by using the optical transmission matrix method.
本文重点描述了对象传输协议和非对称锁算法。
This thesis focuses on Object Transfer Protocol and Asymmetric Lock algorithm.
在ADSL(非对称数字用户线)系统中，传输的数据在进行调制以前，需先进行组织并加入开销数据后形成帧和复帧。
In an ADSL system, transmitted data are organized and overhead data are inserted to form the frame and superframe before the process of modulation.
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