PN序列,PN Sequence英语短句,例句大全

PN序列,PN Sequence
1)PN SequencePN序列
1.PN sequences-based channel estimation for MIMO-OFDM systems;基于PN序列的MIMO-OFDM系统信道估计
2.A symbol and frequency synchronization method for OFDM system based on PN sequence;一种基于PN序列的OFDM符号频率同步方案
3.A OFDM channel estimation algorithm based on PN sequence as a cyclic prefix;一种循环前缀为PN序列的OFDM信道估计算法

英文短句/例句

1.Study of OFDM Channel Estimation Method Based on PN Sequence;基于PN序列的OFDM信道估计方法研究
2.Method for Parameters Estimation of PN Sequence in the Lower SNR DS/SS Signals低信噪比直扩信号PN序列参数估计
3.Timing Synchronization Algorithm of NC-OFDM Based on PN Repeated Sequences基于重复PN序列的NC-OFDM时间同步算法
4.Research on PN-Based Channel Estimation Method in OFDM System基于PN序列的OFDM无线信道估计方法研究
5.Blind Estimation of PN Sequence Period for DS-UWB Signal Received in Multipath Environment多径环境下接收DS-UWB信号的PN序列周期盲估计
6.PN Sequences-based Channel Estimation for OFDM-FH Communication Systems and Simulation in SIMULINK一种基于PN序列的信道估计算法及SIMULINK仿真
7.Three Symbol Synchronization Algorithms Based on PN Sequence for OFDM SystemsOFDM系统中利用PN序列实现符号同步的3种算法
8.A PN-Based Carrier Frequency Offset Estimation Algorithm for Multiuser OFDM Uplink一种基于PN序列的上行多用户OFDM系统载波频偏估计算法
9.Synchronization Acquisition Using Early-Late Gate Based on Frequency-PN Sequence Double Pattern for FFH/BFSK Spread-Spectrum systemsFFH/BFSK系统的一种基于频率和PN序列双图案的早迟门同步捕获方法
10.PN Sequence separation of DSSS/CDMA signals based on phase information基于相位信息的DSSS/CDMA信号用户PN序列快速分离算法
11.Blind estimation of PN sequence of Aperiodic DS/CDMA signals非周期性DS/CDMA信号PN码序列的盲估计
12.Approach to Blind Estimation of PN sequence in Non-Peiodic DSSS Signals非周期性DSSS信号的PN码序列盲估计
13.A Novel OFDM Symbol Timing Algorithm Based on PN Training Sequence一种基于PN训练序列的OFDM符号定时算法
14.New Fast-acquisition Algorithm of PN code in Direct Sequence Spread-spectrum Systems直序扩频系统一种新的PN码快速捕获算法
15.(1) serial number of the unit (SN) (2)part number of the unit (PN) (3) software revision (under main menu selection "SET UP/SERVICE/INF")（1）投影机的序号（SN）（2）投影机的零件号（PN）（3）软件修正（在主菜单中
16.isometric DNA sequence同组异序ＤＮＡ序列
17.flanking sequence侧翼序列，旁侧序列
18.serial anticipation method序列预测法序列预度法

相关短句/例句

PN sequencesPN序列
1.This paper puts forward a way of achieving the precise frame synchronization of orthogonal frequency division multiplexing (OFDM) signal by means of PN sequences as frame synchronization.提出了一种采用PN序列作为正交频分复用(OFDM)信号引导序列的帧同步方法,此方法能够在强窄带干扰或极低信噪比信道中精确地实现帧同步,克服了基于循环前缀的同步算法在强窄带干扰信道中以及在极低信噪比条件下,无法实现精确同步的问题。
2.In this paper an algorithm of symbol synchronization for OFDM is proposed based on PN sequences.讨论了OFDM系统的帧同步算法,针对基于循环前缀的同步算法在强干扰信道中以及在极低信噪比条件下,无法实现精确同步的缺点,提出了一种基于PN序列的帧同步算法。
3.This method can be used to find the correlation peak and complete timing synchronization with the position of the peak by the correlation between the locally generated PN sequences and the received data in time domain.讨论了一种在TDS-OFDM系统中利用PN保护间隔进行系统同步的方法,用本地生成的PN序列和接收到的时域数据进行相关,找到相关峰位置,利用相关峰位置完成定时同步,同时采用二次相关完成载波频率同步。
3)pseudo noise sequencePN序列
1.In this paper we proposed a new frequency offset estimation algorithm based on the relativity of the pseudo noise sequence.本文提出了一种基于时域PN序列导频相关性的频偏估计算法,通过计算接收信号和发送信号共轭乘积的自相关函数,将频偏估计问题转化为一个单频谱估计问题,并且给出了简化的谱估计算法,从而避免了频率搜索,具有较低的实现复杂度,另外,此算法使用和符号同步相同的PN序列资源,节省系统频谱资源。
4)pseudo noise (PN) sequencePN码序列
1.The main work of this thesis is to research the blind recovery algorithms of Pseudo Noise (PN) sequence, which is applied to the direct sequence spread spectrum (DSSS) signal.总的说来,码序列恢复在直扩通信研究的三部分内容(盲检测、参数盲估计和扩频码盲恢复)中,处于最后也是最关键的环节,扩频码序列的恢复直接影响整个扩频信号侦收系统的性能指标,因而对恢复DS/SS信号扩频PN码序列的研究就具有迫切性和重要意义。
5)PN sequencePN码序列
1.Firstly,the period of PN sequence is estimated with the method of reprocessing of power spectrum.首先,利用的二次谱方法对PN码周期进行估计,然后根据基带信号能量累积最大化的原理,运用二位搜索算法估计PN码同步起始点,最后,将信号按照PN周期分成多个时段,利用多重互相关方法估计PN码序列。
6)PN even balanced sequences均衡PN序列
1.Application investigation of PN even balanced sequences in DS-SS systems;均衡PN序列在直序扩频系统中的应用研究