| 1. | Orthogonal frequency division multiplexer
正交频分多路复用技术 |
| 2. | Frequency division multiplexing
频分多路复用 |
| 3. | Frequency division multiplexing
频分多路复用 |
| 4. | Orthogonal frequency division multiplexing ( ofdm ) is a multi - carrier modulation method
正交频分多路复用是一种多载波调制技术。 |
| 5. | Use of one channel for several messages by timedivision multiplex or frequency division
通过时分或频分多路复用的方法,用单个信道传输多个报文。 |
| 6. | This is the first occasion that w - ofdm - based fixed wireless access system is put to large - scale commercial use in china
这是基于w ofdm （宽带正交频分多路复用）技术的固定无线接入系统在中国首次大规模的商业应用。 |
| 7. | Adsl transmission equipment vendors use either frequency division multiplexing or echo cancellation to achieve this huge gain in throughput
Adsl传输设备供应商不是利用频分多路复用，就是利用回波消除，以获得吞吐量有大幅度的提高。 |
| 8. | This bandwidth is twelve times greater than that required for ssb fdm , and six times greater than the bandwidth required for double sideband fdm
这个宽带,比单边带频分多路复用所需要的带宽大12倍,比双边带步分多路复用所需要的带宽大6倍 |
| 9. | Methods of measurement for radio equipment used in satellite earth stations - part 3 : methods of measurement for combinations of sub - systems - section three - measurements for f . d . m . transmission
卫星通信地球站无线电设备测量方法第3部分:分系统组合测量第3节:频分多路复用传输的测量 |
| 10. | Due to a variety of advantages , such as high bandwidth efficiency and excellent anti ? multipath performance , orthogonal frequency division multiplexing ( ofdm ) has received considerable attentions and been widely used in many fields
正交频分多路复用( ofdm )因具有频带利用率高和抗多径能力强等优点，近年受到广泛的重视。 |
