In this paper we discussed a feedback loop for carrier frequency offset synchronization in orthogonal frequency division multiplexing ( OFDM) systems. 研究了一种正交频分复用系统中的频率同步环路。
In the usual sense of "2FSK" refers to the use of carrier frequency to transmit digital information. 通常意义的“2FSK”指的是利用载波的频率变化来传递数字信息。
Study on the Joint Algorithms of Symbol Timing Synchronization and Carrier Frequency Offset for OFDM System OFDM系统中符号和频偏联合同步算法研究
This paper is focusing on study of NDA nonlinear least-squares ( NLS) carrier frequency offset estimation for QAM signals. 针对一类无数据辅助的非线性最小均方(NLS)载波频偏估计算法进行研究,讨论了其针对QAM信号的应用。
Research on Estimation Approaches of Carrier Frequency Offset in MPSK IF Digital Receiver MPSK中频数字接收机载波频偏估计方法研究
In a GPS receiver, the signal acquisition coarsely adjusts the code phase and the carrier frequency of locally generated replicas to align with the corresponding satellite signal. GPS接收机中信号捕获通过粗略调整本地复制信号的码相位和载波频率与卫星信号同步。
Analysis of several carrier frequency synchronization algorithms for OFDM; 其次,研究了数据辅助型的载波同步算法。
This paper presents a new method for joint estimation of carrier frequency offset and sampling time offset based on the recursive least-square ( RLS) algorithm for OFDM systems in the tracking mode. 针对OFDM载波频偏与采样时偏的联合估计问题,提出了一种基于递推最小二乘(RLS)算法的新方法。
Research on Carrier Frequency Offset Estimation and Directional Interference Suppression in Wireless MIMO System 无线MIMO系统中载波频偏估计和定向干扰抑制的研究
Frequency spectrum element, carrier frequency. Frequency type can be specified. 地震检波器谐振频率频谱元件,载波频率。可指定频率类型。
Big Carrier Frequency Offset Estimation Method Based on DTMB System 基于DTMB系统的大载波频偏估计方法
Having analyzed the feasibility of MIMO-QAM system, this paper proposes an algorithm for estimating carrier frequency offset. 本文在分析MIMO-QAM系统可行性的基础上,提出了一种频偏估计算法,并进行了仿真。
A radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified. 能将当地频率和携带者的频率联合起来产生能解调和放大的超音频信号。
Based on analyzing OFDM signal model of carrier frequency offset, an efficient algorithm of carrier frequency synchronization using one OFDM preamble symbol is presented. 在分析OFDM系统载波频偏信号模型的基础上,提出了基于单OFDM前导符号载波同步的高效算法。
FDM assigns a discrete carrier frequency to each data stream and then combines many modulated carrier frequencies for transmission. 它为每个数据流指定一个离散的载波频率,然后合并调制过的载波频率进行传输。
A Non-Data-Aided Carrier Frequency Offset Estimator for MPSK Signal 一种非数据辅助的MPSK载波频偏估计算法
Coarse Carrier Frequency Offset Estimation in CMMB Receiver CMMB接收机中的粗载波频偏估计
Baseband is a network technology in which only one carrier frequency is used. 基带是一种网络技术,其中只有一个载波频率的使用。
Cross-zero is a classical analytic method of modulate-domain which has good effect on the carrier frequency signal, linear frequency modulation signal and FSK signal. 过零检测法是一种经典的调制域分析方法,它原理简单,计算方便,对单载频、线性调频和FSK信号有着较好的效果。
The Detection and Estimation of Carrier Frequency 、 Chip Width and Amplitude of DS Signal Based on Cyclic Spectrum Theory 基于循环谱理论的直扩信号检测与载频、码片时宽和幅度估计
Single Carrier Frequency Domain Equalization Technology Applied to Broadband Wireless Communications 宽带无线通信的单载波频域均衡技术研究
Study on Carrier Frequency Synchronized Algorithm in OFDM System OFDM系统中载波频率同步算法研究与仿真
Using the planar search, code start point and carrier frequency were reached at the same time. 采用了二维联合搜索的快速算法,同时捕获扩频信号的载频和码起点。
Study on Carrier Frequency Short Circuit Protection of Integrated Protector for Coal Electric Drills 煤电钻综合保护装置中载频短路保护技术研究
Research on Single Carrier Frequency Domain Equalization ( SC-FDE) Technology 单载波频域均衡(SC-FDE)技术的研究
A Carrier Frequency Estimation Method of Non-cooperative Underwater Acoustic Direct-Sequence Spread-Spectrum Signal Under Low-CNR 非合作水声低载噪比直接序列扩频信号的载频估计方法
The cyclic spectrum of cyclostationary signal includes information as carrier frequency, chip width and amplitude. 循环平稳信号的循环谱包含了载频、码片时宽和幅度等信息。
However, due to the size of a mobile and carrier frequency constraints, multiple antennas can not be possibly implemented. 然而由于移动台的尺寸和载频的限制,使多天线技术很难实现。
Carrier Frequency Offset Estimation Using Hidden Pilots in MC-DS-CDMA Systems MC-DS-CDMA系统载波频偏估计的隐导频算法
Single Carrier Frequency Domain Equalization Applied to High Rate Ground-to-air Data Link 单载波频域均衡在地空高速数据链的应用