frequency-division multiplexing
英 [ˈfriːkwənsi dɪˈvɪʒn ˈmʌltɪplɛksɪŋ]
美 [ˈfriːkwənsi dɪˈvɪʒn ˈmʌltiˌplɛksɪŋ]
频分多路复用（技术，方法）
双语例句
- This paper presents two novel iterative equalization schemes for orthogonal frequency-division multiplexing ( OFDM) systems when the cyclic prefix ( CP) is not sufficient.
本文提出两种新的用于循环前缀（CP）不足时正交频分复用（OFDM）系统的迭代均衡方法。 - Application Research on frequency-division multiplexing to secret communication
频分复用在混沌保密通信中的应用研究 - Experimental Investigation of Direct-Detection Optical Orthogonal Frequency-Division Multiplexing Transmission System
直接检测的光正交频分复用信号光纤传输系统实验研究 - The blind estimation problem of channels was investigated for the combining form of the vertical Bell Labs layered space-time ( V-BLAST) architecture and the orthogonal frequency-division multiplexing ( OFDM) technique, i.e. the V-BLAST OFDM system, under the downlink frequency-selective fading environment.
研究下行频率选择性衰落环境中垂直分层空时正交频分复用（V-BLASTOFDM）系统的信道盲估计问题。为V-BLASTOFDM系统提出了一种新颖的贴标签型延迟分集结构。 - Orthogonal frequency-division multiplexing ( OFDM) is an attractive transmission technique for high-bit-rate communication systems. The experimental results indicate that the application of PROM's multiple-input parallel addition network to the high-bit-rate programmable PCM telemetry frame synchronizer is successful.
OFDM（OrthogonalFrequencydivisionMultiplexing），中文含义为正交频分复用，它是一种多载波调制技术。系统实验表明，这种PROM化并行加法网络应用于高速可编程PCM遥测帧同步器是行之有效的。 - This paper proposed a fast frequency tracking scheme for orthogonal frequency-division multiplexing ( OFDM) system based on variable step size adaptive filtering algorithm.
提出了一种快速的正交频分复用（OFDM）系统载波频率跟踪算法，该方法采用基于变步长的自适应滤波算法。 - In this paper, we investigate the performance of distributed space-time block coded ( DSTBC) orthogonal frequency-division multiplexing ( OFDM) system ( DSTBC-OFDM) with the presence of carrier frequency offsets.
本文研究了存在载波频率偏移的分布式空时分组编码（DSTBC）正交频分复用（OFDM）系统（DSTBC-OFDM）的性能。 - Spatial subchannels in multiuser multiple-input multiple-output/ orthogonal frequency-division multiplexing ( MIMO/ OFDM) systems were invested. With the goal of maximizing overall data throughput the criteria of subcarrier allocation was derived and an adaptive spatial subchannel allocation algorithm was proposed.
对多用户MIMO/OFDM系统空间子信道进行了研究，以获取最大的系统吞吐量为目标，推导了子载波分配准则，提出了一种自适应空间子信道分配算法，并给出了相应的算法流程。 - The performance of the ultra-wideband ( UWB) communication system, which is based on orthogonal frequency-division multiplexing ( OFDM), was analyzed on the frequency-selective time-selective fading channels. The effect of scatterers movement on the system was simulated.
根据超宽带信道呈现频率选择性和时间选择性衰落之特征，分析正交频分复用超宽带（OFDM-UWB）系统的性能，并在基于散射体移动的时变多径信道模型上进行仿真。 - Assuming that the channel state information ( CSI) at the transmission side was known, the optimal power allocation scheme was proposed for the multi-input multi-output ( MIMO) orthogonal frequency-division multiplexing ( OFDM) ultra wideband ( UWB).
基于发送端已知信道状态信息假设，提出了一种多入多出正交频分复用（MIMO-OFDM）系统优化功率加载方案。 - A channel estimation scheme for a multi-input multi-output orthogonal frequency-division multiplexing ( MIMO-OFDM) system was presented.
给出了一种适于多输入多输出-正交频分复用（MIMO-OFDM）系统的信道估计方案。 - In order to eliminate intercarrier interference ( ICI) of orthogonal frequency-division multiplexing ( OFDM) communication systems, based on interference coefficients analysis and reasonable estimation, a novel decorrelation interference cancellation scheme using frequency-domain equalization was proposed.
为消除正交频分复用（OFDM）系统中的载波间干扰，在对干扰系数分析与合理估计的基础上，提出了一种基于频域均衡思想的解相关干扰抑制方案。 - This letter present a differential space-frequency coded orthogonal frequency-division multiplexing ( OFDM) scheme over frequency-selective fading channels.
本文提出了频率选择性衰变信道中采用了差分空频编码的正交频分复用（OFDM）传输方法。 - In this paper, combining orthogonal frequency-division multiplexing with code-division multiplexing ( i.e. OFDM-CDM) system in wireless fading channels is presented.
本文主要介绍结合码分复用（Code-DivisionMultiplexing）的OFDM系统，即OFDM-CDM系统在无线衰落信道中的传输。 - In orthogonal frequency-division multiplexing ( OFDM) systems, this frequency offset causes large errors in the signal values.
在正交频分复用（OFDM）系统中，这种频率偏移会使信号产生很大的误差，严重影响系统的性能。 - For improving existent shortage of the FH communications systems, it appeases a kind of communications system, which synthetically applies RF carrier frequency hopping to orthogonal frequency-division multiplexing ( FH-OFDM).
为了改善FH通信系统存在的不足，出现了一种将跳频技术和正交频分复用技术综合应用的通信系统&FH-OFDM通信系统。 - In Orthogonal Frequency-Division Multiplexing ( OFDM) system, when using the partial power training sequence to synchronize, the received data signals will be seriously interfered by the training sequence.
在采用部分功率训练序列同步的OFDM系统中，接收到的OFDM承载的数据信号会受到部分功率训练序列的严重干扰。 - Orthogonal Frequency-Division Multiplexing ( OFDM) transmitter diversity scheme based on Space-Frequency Block Code ( SFBC) can effectively overcome detrimental influences induced by fast fading channels and improve system performance by utilizing space diversity.
空频分组编码（SFBC）结合正交频分多路复用（OFDM）的发射分集方案（SF-OFDM）利用空间分集可以有效克服快衰落信道造成的不利影响，提高系统性能。 - This system realizes the collection, transmission and data processing of earthquake wave signal by means of delta modulation, frequency-shifting keying, frequency-division multiplexing technologies.
采用增量调制、移频键控、频分复用等技术实现地震波信号的采集、传输和数据处理。 - A Novel High-Accuracy Orthogonal Frequency-Division Multiplexing Frequency Synchronization Scheme
高精度的正交频分复用频率同步新算法 - A low-complexity blind symbol-timing synchronization scheme applicable to zero prefix-orthogonal frequency-division multiplexing ( ZP-OFDM) systems is presented.
提出一种适合于零前缀正交频分复用（ZP-OFDM）系统的符号盲同步方法。 - Reported here is a new optical fiber displacement sensor based on the principles of laser diode linear frequency-modulation heterodyne interference and frequency-division multiplexing technique. Many points displacement can be measured at the same time.
利用半导体激光器线性调频外差干涉原理及分频复用技术构成的新型光纤位移传感器，可同时进行多点位移测量。 - In a great variety of fields of modern communication, frequency-division multiplexing is a commonly used means to improve the efficiency of the communication system, and this method is widely used in carrier system telephone, broadcasting, television, satellite communications, and so on.
频分复用在现代通信的各个领域中是提高通信系统有效性的常用方法，广泛地应用在载波电话、广播、电视、卫星等通信中。 - We advance a novel method for the Single-Input-Single-Output ( SISO) time-varying channel estimated of orthogonal frequency-division multiplexing ( OFDM) systems.
我们提出了一种单输入单输出（SISO）正交频分复用时变信道估计方法。 - However, high-mobility also brings new challenges to Orthogonal Frequency-Division Multiplexing ( OFDM)-based LTE systems.
然而高移动性也给基于正交频分复用（OrthogonalFrequencydivisionMultiplexing，OFDM）调制方式的多载波LTE系统带来了新的挑战。 - Multicarrier systems consist of orthogonal frequency-division multiplexing ( OFDM) system, multicarrier code-division multiple-access ( CDMA) system and generalized multicarrier ( GMC)-CDMA system.
常见的多载波系统包括正交频分复用（OFDM）系统、多载波码分多址（CDMA）系统以及广义多载波CDMA（GMC-CDMA）系统。 - Orthogonal Frequency-Division Multiplexing ( OFDM) is a fine technique to mitigate the effect of frequency-selective fading.
正交频分复用（OFDM）技术能够有效地对抗多径传播引起的频率选择性衰落，将频率选择性衰落信道转化为平坦衰落信道。 - Orthogonal frequency-division multiplexing ( OFDM) splits a wide frequency band into a bank of narrow sub-bands.
正交频分复用技术（OFDM）将一个宽的频带划分为若干比较窄的子带。 - Therefore, the blind method becomes a new research focus. A novel joint blind channel estimation and turbo equalization algorithm is proposed for orthogonal frequency-division multiplexing ( OFDM) system in this paper.
所以盲信道估计正在成为一个新的研究热点。本文主要介绍了一种新的在OFDM系统中盲信道估计和Turbo均衡联合接收的方案。 - The multi-band orthogonal frequency-division multiplexing ultra-wideband ( MB-OFDM UWB) system combining OFDM with frequency hopping is a promising candidate for the future short-range mobile communication systems.
结合OFDM和跳频（FH）技术的多频带正交频分复用（MB-OFDM）系统是未来短距离移动通信系统一种很有应用前景的超宽带（UWB）系统候选方案。