Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier broadband modulation technique.
正交频分复用(OFDM)是一种多载波宽带数字调制技术。
Orthogonal frequency division multiplexing (OFDM) as the representative of the multi-carrier modulation technique proved to be one of the most promising.
以正交频分复用(OFDM)为代表的多载波调制技术被证明是最有前途的方案之一。
The OFDM (Orthogonal Frequency Division Multiplexing) multi-carrier modulation is used to process messages instead of the traditional single carrier modulation.
提出利用正交频分复用(OFDM)多载波调制方式代替单载波调制方式对信息进行处理。
Multi-carrier transmission technology-Orthogonal Frequency Division Multiplexing (OFDM), as the core technology of beyond 3g, has the characteristic of high data rate.
而多载波传输技术-正交频分复用(OFDM)，作为后三代移动通信的核心技术，则具有高数据速率传输的特点。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access (OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
采用遗传算法搜索子载波最优分配方案，对多用户正交频分复用多址接入(OFDMA)系统资源分配问题进行了研究，提出了一种多载波比例公平调度算法G - PFS。
The SNEP will employ the MPM1000 Net Centric Waveform Satellite Modem to provide Multi-Frequency-Time Division Multiple Access Bandwidth on demand technology for tactical mobile operations.
该SNEP将采用MPM1000网络中心波形卫星调制解调器，为战术机动作战提供所需的多频时分多址接入带宽技术。
The effect of bandwidth division on the improvement of the frequency spectrum utilization is analyzed under the condition of the multi-access interference and Gaussian white noise.
分析了在信道存在加性白噪声和多址干扰的条件下，频带细化对提高频谱利用率的作用。
Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
利用锁相环的倍频、分频等频率合成技术，可以获得多频率、高稳定的振荡信号输出。
Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
利用锁相环的倍频、分频等频率合成技术，可以获得多频率、高稳定的振荡信号输出。
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