频率偏差,frequency offset
1)frequency offset频率偏差
1.Impact on system performance produced by timing andfrequency offset in OFDM system;定时和频率偏差对OFDM系统性能影响
2.Theoretical analysis and simulation results show that this scheme has low complexity and good performance to complete thefrequency offset and sampling clockfrequency offset estimation.本文结合中国移动多媒体广播(CMMB)信道帧结构、调制及其信道的特征,提出了适用于CMMB系统基带接收机的频率和采样时钟同步设计方案,通过理论分析和仿真结果表明该方案不仅具有较低的复杂度,而且能准确地完成频率偏差和采样时钟频偏的估计。
3.To reduce the impact of carrierfrequency offset in OFDM system,this thesis designs a new carrierfrequency offset estimation scheme for OFDM system.为了减小正交频分复用系统受频率偏差的影响,在OFDM系统中设计了一种新的载波频偏估计算法。
英文短句/例句
1.AGC of Dynamic Adjust Tie-Line Frequency Bias Based on NERC s Constrol Performance Stanard;CPS标准下动态调整频率偏差系数的自动发电控制
2.Strong deviation theorems of random variable sequences for occurring frequencies;随机变量序列发生频率的强偏差定理
3.Quality of electric energy supply--Permissible deviation of frequency for power systemGB/T15945-1995电能质量电力系统频率允许偏差
4.Error Calibration of SINS Based on Rate Offset Frequency Ring Laser Gyro速率偏频激光捷联惯导系统的误差标定
5.A Class of Strong Deviation Theorems on the Frequencies Which Arbitrary Sequences of Absolutely Continous Random Variables Occurs;连续型随机变量序列出现频率的强偏差定理
6.frequency deviator频率偏移器, 频率致偏装置
7.The increasing applications of devices with high-efficiency are resulting in increasing harmonic levels.设备的增加的应用与高效率电子是造成频率的偏差。
8.Analysis on errors of discrete fourier transform （DFT） in case of signal frequency drifting from designed value采样信号频率偏离设计值情况下离散傅立叶变换的误差分析
9.And when the absolute value of the relative deviation is larger than 100% the data frequencies are 16.7%, 6.7% and 10.0% respectively.相对偏差的绝对值≥100%的数据频率分别为16.7%,6.7%和10.0%.
10.Effection of the Peak Latency and Amplitude of Normal Group s Mismatch Negativity Change in Frequency Difference and Intensity Difference;频率和强度的偏差程度对正常人错配负反应的影响
11.2, Influence of varying effective index and stochastic deviations of domain boundary on the conversion efficiency of difference frequency generation (DFG) in quasi-phase-matching (QPM) waveguides are analyzed.2、分析了变有效折射率和畴边界随机偏差对准相位匹配波导中差频转换效率的影响。
12.prestack F-K migration method叠前频率-波数域偏移法
13.W is the radian frequency deviation from the center frequency△W是角频率与中心频率的偏离值。
14.△W is the radian frequency deviation from the center frequency.△W 是角频率与中心频率的偏离值。
15.sweep frequency heterodyne-type analyzer扫描频率外差式分析器
16.maximum percentage deviation of frequency weighted加权频数极大偏差百分比
17.Application Research for Compass Navigation Satellite Interfrequency Bias Correction TermsCompass导航卫星频间偏差参数使用方法
18.Fast algorithm for joint estimation of DTO and DFO一种时差/频率差快速联合估计方法
相关短句/例句
frequency deviation频率偏差
1.The basic concept of the deviation of voltage and frequency, the harm in power system which result from their deviation, the national criterions of voltage andfrequency deviation in china and the ways to adjust the voltage and frequency in power system were introduced.介绍了电力系统电压与频率偏差的基本概念及产生原因,阐述了电力系统电压与频率偏差所造成的影响、危害。
2.The voltage deviation,voltage fluctuation,flicker,harmonics andfrequency deviation are main aspects of power quality problems.文章分析了风电场闪变和谐波产生的原理,根据IEC和其它相关标准计算了系统连续运行情况下新疆电网达坂城地区风电场的电压变动、电压偏差、闪变、谐波和传递至电网负荷节点后的闪变值,分析了风电场因故切除后的系统频率偏差,同时指出制定风电发展规划时需对电网传输功率、无功功率和电压控制方式、机组组合方式和系统稳定性等方面进行分析。
3.My attention in this thesis is focused onfrequency deviation, voltage fluctuation and wind power penetration.本文主要研究如何评估大型风电场接入电力系统后频率偏差、电压波动和风电穿透功率的问题,还将对风电的频率特性进行研究。
3)system frequency deviation系统频率偏差
4)frequency bias coefficient频率偏差系数
1.Research on Frequency Bias Coefficient in Automatic Generation Control;自动发电控制中频率偏差系数研究
2.The selection of thefrequency bias coefficient β is of the most importance to system stability and frequency recovery,and the ideal situation is to set β the same as the natural frequency of the local area.自动发电控制是控制系统频率和区域间联络线交换功率按计划运行的重要手段,频率偏差系数B的选择对于控制系统稳定和频率恢复起着至关重要的作用,理想状况是将区域的频率偏差系数设置得与本区域的自然频率特性相等。
3.In order to implement object-controllability and ahead control of automatic generation control (AGC), a new method offrequency bias coefficient setting is proposed based on the multi-target optimum technology and super-short-term load forecasting (SSTLF).为实现自动发电控制(AGC)的目标可控性和超前控制,提出了一种应用多目标最优化技术和超短期负荷预报的频率偏差系数确定方法。
5)timing and frequency offset定时和频率偏差
1.It can improve the weakness of the primary iterative ML algorithm in the estimation oftiming and frequency offset in AWGN noise channel and establish accurate synchronization in the multi-path fading channel.在考虑多径衰落信道的影响下,改进了基于循环前缀的最大似然(ML)同步迭代算法,弥补了原ML迭代算法只在高斯白噪声信道背景下才能得到准确的定时和频率偏差估计的不足,实现了多径衰落信道下的同步估计。
6)frequency bias control频率偏差控制
延伸阅读
频率计量(见时间频率计量)频率计量(见时间频率计量)frequency metrology: see time and frequency metrology口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
