片语

frequency y division分频

frequency difference division step分频级

frequency-division processing分频处理

frequency difference division circuit分频电路

frequency difference division频率划分

frequency-division interpretation分频解释

Frequency shift division duplexing分频位移双工

frequency y division multiplex频分多路转换

英汉例句

• In current OFDM systems, only a single user can transmit on all of the subcarriers at any given time, and time division or frequency division multiple access is employed to support multiple users.

  在目前的OFDM系统中，在任何一个特定的时间，只有一个用户可以在所有副载波上进行传送；利用时分或者频分多路访问机制来支持多个用户。

• Local structural entropy measure in frequency division is put forward to detect local discontinuities of seismic data, by the virtue of the instantaneous attributes based on wavelet transform.

  本文基于小波变换具有多尺度多分辨率分析的优点，提出了在特定的小波变换分频瞬时属性上，利用局部结构熵算法来检测地震数据的局部不连续性。

• A scheme of optical millimeter (mm) wave based on orthogonal frequency division multiplexing (OFDM) generation have been proposed with theoretics and simulation in this paper.

  该文提出了一个基于正交频分复用(OFDM)技术的毫米波产生方案。

• To resolve the large time jitter error of middle-long range action in UWB fuse systems, a novel time system base on crystal frequency division has been proposed.

  为解决中远距离超宽带引信中的距离延迟和缓解延迟时间的大抖动误差，本文提出了一种基于晶振分频的时间系统。

• Orthogonal frequency division multiplex (OFDM) is an effective method to realize high data rate transmission.

  正交频分复用(OFDM)是实现高速数据传输的一种有效方法。

• A symbol timing algorithm for orthogonal frequency division multiplexing (OFDM) systems with the cyclic prefix under wireless channels is proposed.

  提出了一种新的无线信道下基于循环前缀的正交频分复用系统符号定时同步算法。

• Abstr: WDM is the frequency division multiplexing technology on the optical frequency, which allows for transmission of a large volume of information.

  文章摘要：波分复用技术是光频上的频分复用技术，能够实现大容量信息的传输。

• Partial transmit sequences (PTS) is a method with high complexity to reduce the Peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) system.

  部分传输序列(PTS)是一种复杂度较高的减小正交频分复用(OFDM)系统峰均功率比(PAPR)的方法。

• This paper describes a novel joint acquisition algorithm of timing and carrier frequency for burst orthogonal frequency division multiplexing (OFDM) transmission system.

  提出了一种新的正交频分多路（OFDM）传输系统定时和载波频率捕获联合算法。

• A new evaluation approach for the in-band nonlinear distortion, which is formed by the orthogonal frequency division multiplex (OFDM) signal passing through the high power amplifier, is presented.

  提出了研究正交频分复用(OFDM)信号通过高功率放大器产生的带内非线性畸变的一种新方法。

• A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing (OFDM) system was presented.

  针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。

• In the orthogonal frequency division multiplexing system, the frame synchronization plays an important role in the performance of system.

  在正交频分复用系统中，帧同步对系统性能起到十分重要的作用。

• The technology of frequency division phase-locked frequency synthesis is introduced.

  介绍分频锁相频率合成技术。

• Aiming at the uncertainty of weights selection in the weighting orthogonal frequency division multiplexing system, a performance analysis method for carrier blind synchronization is proposed.

  针对载波加权正交频分复用系统中权值选择的不确定性，提出了一种载频盲同步的性能分析方法。

• A non blind channel estimation algorithm for orthogonal frequency division multiplexing (OFDM) systems in multipath channels was proposed.

  提出了一种适用于正交频分复用通信系统的非盲信道估计算法。

• A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.

  提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。

• A multicarrier CDMA system combines the advantages of an orthogonal frequency division multiplexing (OFDM) scheme with those of a CDMA scheme.

  多载波CDMA系统结合了正交频分复用（OFDM）技术和CDMA技术的优点，自1993年提出以来就受到了广泛的重视。

• Orthogonal frequency division multiplexing (OFDM) can effectively combat the multipath fading of wireless channels and has become another hot point in the area of wireless communications.

  正交频分复用(OFDM)技术能够有效的对抗无线信道的频率选择性衰落，成为无线通信领域的另一个研究热点。

• According to the theory of orthogonal multiplex, frequency division multiplex (FDM) and time division multiplex (TDM) belong to orthogonal multiplex.

  根据正交分割理论，现在流行的频率分割制(FDM)和时间分割制(TDM)都属于正交分割的范畴。

• A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.

  提出了一种新的降低正交频分复用系统峰均功率比的方法。