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- orthogonal frequency division modulation ( OFDM ) 正交频分复用
- OFDM(Orthogonal Frequency Division Modulation) 正交频分复用
- frequency division modulation 频分调制
- Keywords Digital radio;channel coding;low-density parity-check （LDPC）;orthogonal frequency division modulation （OFDM）;channels with memory;punctured codes;channel estimation;multi-level coding （MLC）; 数字广播;信道编码;低密度奇偶校验码;正交频分复用调制;有记忆信道;删余码;信道估计;多级编码调制;
- 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。
- A novel blind channel estimation scheme is proposed for Orthogonal Frequency Division Multiplexing (OFDM) systems employing PSK modulation. 该文提出了一种适用于采用PSK调制方式的正交频分复用(OFDM)系统的准盲信道估计算法。
- Orthognal Frequency Division Multiplexing (OFDM) is a multi-carrier digital modulation technique for broad-band wireless communication. 正交频分复用(OFDM)是一种多载波数字调制技术。
- A novel blind channel estimation scheme is proposed for orthogonal frequency division multiplexing systems employing PSK modulation. 2．提出了一种适用于采用PSK 调制方式的OFDM 系统的准盲信道估计算法。
- Modern UWB systems use various modulation techniques, including Orthogonal Frequency Division Multiplexing, to occupy these extremely wide bandwidths. 为了占据非常宽的带宽，现代的UWB技术使用不同的调制技术，其中包括正交频分多路复用。
- 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。
- Orthogonal Frequency Division Multiplexing (OFDM) is the modulation technique for wireless communications,for OFDM can effectively combat Inter-Symbol Interference(ISI) caused by multipath channel,it has gained much of people's interest. OFDM(正交频分复用)是一种无线环境下的高速传输技术,它对由于无线信道的多径传播引起的ISI(符号间干扰)有很强的抵抗能力,已经引起了人们的广泛关注。
- 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。
- 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。
- From Release 1.2 onwards MU886 will also be able to operate in Frequency Division Duplexing (FDD) mode. 从版本1.;2起，MU886还能按分频双工（FDD）的模式运行。
- The advantages, principles and application methods of its frequency division and M/T measurement of speed are provided. 车用油耗器设计中测量电路的设计是关键技术,重点介绍了分频技术和M/T测速技术的优点、原理和在设计中的应用方法。
- The orthogonal frequency division multiplexing (OFDM) is outlined and the error rate is analysed. 著重分析了正交多载波调制(OFDM)技术的原理及在电力线信道下的误码性能。
- sequence division modulation telemetry 序列分割调制遥测
- 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。
- The design method of a kind of wideband HF date modem based on orthogonal frequency division multiplexing (OFDM) is introduced. 介绍了一种基于正交频分复用(orthogonal frequency division multiplexing,OFDM)技术的宽带短波数据调制解调器的设计方案。
- DRM has become to a international standard of AM broadcast. It modulate by COFDM(Coded Orthogonal Frequency Division Multiplex) technology. DRM数字调幅广播已经成为国际标准，它使用COFDM(Coded Orthogonal Frequency Division Multiplex)调制技术。
