offset correction
英 [ˈɒfset kəˈrekʃn]
美 [ˈɔːfset kəˈrekʃn]
网络 偏移校正; 补偿校正
双语例句
- Study on the frequency offset correction of TDD-LTE synchronization signal based on ZC sequence
基于ZC序列的TDD-LTE同步信号频率校正研究 - First briefly introducing the basic theory of OFDM system, then the frequency offset correction arithmetic using the cyclic prefix, and the simulation result were given.
在简要地介绍了OFDM系统的基本原理后，给出了利用循环前缀相关特性的频偏校正算法，并给出了仿真结果。 - If the offset currents for the different channels are reasonably stable, a correction factor can be stored in the control computer to allow more accurate low current measurements.
如果不同通道的偏移电流是比较稳定的，则可在控制计算机中保存一个修正因子，从而实现更准确地小电流测量。 - Research of Residual Frequency Offset Correction Based on the Mean Square Error Short-Term Feedback Algorithm and Decision of the Threshold
均方误差短时反馈算法的残余频偏纠正及阈值选取的研究 - Simple method for carrier offset correction in OFDM system
OFDM系统中一种简单的克服载波频率偏移的方法 - Making recording trace to model trace smaller offset distance/ depth, with delay quantity is residual truncation error to correction which cross-correlation coefficient is most between the seismic trace and model trace.
利用偏移距与深度之比较小的记录道生成模型道，以求取的地震道与模型道之间互相关系数最大时的延迟量为剩余截断误差，进行校正。 - This paper elaborates a new method for symbol timing recovery, frequency offset estimation and correction of burst-mode π/ 4-DQPSK in software radios.
阐述了一种新的适合于软件无线电的π/4-DQPSK突发信号的码元定时恢复、频偏估计和纠正方法。 - Objective To evaluate the biomechanical basis and long term clinical outcome of the offset hook-screw combined instrumentation in preventing against correction loss after it is used to treat the unstable thoracolumbar fractures.
目的使用钉钩联合的经椎弓根短节段内固定治疗胸腰椎骨折，探讨该技术预防胸腰椎骨折术后纠正丢失的生物力学基础和远期临床效果。 - Moreover PN sequence can also be used in multi-user detection, frequency offset estimation and timing correction. Therefore the frame structure with PN sequence in OFDM system can reduce system overhead and improve spectrum efficiency.
PN序列还可以用于多用户检测、频偏估计和定时同步，因而OFDM系统中使用PN序列的帧结构可以减少系统资源开销，提高频谱利用率。 - It adopts auto adaptive step to track the frequency offset, so that it can shorten the AFC ( Automatic frequency correction) tracking period and improve frequency precision.
新算法可以自适应地调节本振频率跟踪载波频率的阶距，从而很好地缩短了AFC的跟踪时间和改进了频率校正的精度。 - Finally, the summation of common offset data in each bin brings the result of the DMO correction.
然后将每个面元内相同炮检距资料求和，即可作为DMO校正的结果。 - Methods for DC Offset Correction in New Type of Acquisition Unit
新型采集站直流漂移校正方法 - Offset division normal moveout correction
分偏移距动校正技术 - And the effect of the image distortion center bias and scale factor ratio offset on image correction quality is discussed.
并对图像的畸变中心和纵横比例因子对校正的影响做了探讨。 - Because the CORDIC algorithm can change the arctan function and round of angle to addition and shift operation, the novel model presented in the paper can complete frequency offset estimation and correction in digital field in the same time.
由于CORDIC算法能把复杂的反正切函数求解和角度旋转操作转化为简单的移位和加法操作，文中所给出的同步模型可在数字域同时完成频率偏移估计和频率偏移校正。 - In this paper, the pilot subcarriers on two consecutive OFDM symbols are utilized for joint frequency offset correction and channel estimation.
基于连续OFDM符号上的导频子载波，给出了联合频率偏移纠正和信道估计方法。 - Online Steel Rolling Offset Correction System Based on Edge Detection From Real-time Video
基于实时视频图像中边缘检测方法的在线轧钢纠偏系统 - On the basis of seismic ray theory, the principle of pre-stack partial migration is discussed, and the velocity ( v ') is derived which is used in the partial migration of common offset section before NMO correction or after NMO correction.
根据射线理论，讨论叠前部分偏移原理，导出用于动校正前及动校正后共炮检距剖面部分偏移的速度（v′）。 - As in other electromagnetic sounding methods, static offset and correction also arise in frequency-domain electromagnetic sounding.
在电磁法勘探中，频率域电磁测深法也存在静态偏移与校正问题。 - Last, after finishing the measurements and correction of the telescope collimation error and encoder offset, the correction model is applied to the telescope tracking control program to correct the telescope pointing errors.
最后，在对望远镜的照准差和望远镜编码器的零点差进行测定后，将模型带入望远镜的跟踪控制程序中对望远镜的指向误差进行了修正，修正后的指向精度可达到4°左右。 - Static offset and correction in frequency domain electromagnetic sounding
频率域电磁测深的静态偏移及校正方法 - The correction effect cf this method is also obvious, It is experimentally shown, however, that instead of calculating coordinates, we make offset correction to achieve partial correction for the seismic data in which there is major observation system error.
这种校正处理的效果也是明显的。但实验表明，对于观测系统误差较大的数据，不宜作坐标计算，只作炮检距校正尚可完成部分校正。 - A Pilot Subcarrier-based Joint Frequency Offset Correction and Channel Estimation Method for OFDM Systems
OFDM系统中一种基于导频子载波的联合频率偏移纠正和信道估计方法 - By errors offset in rotating of spindle system, lapping is done to make correction for the errors of guideway and a combined correction is made for axial positioning accuracy showed that combined compensation for system errors is an important trend in manufacturing of precision NC machine tools.
通过对轴系回转精度的误差抵消、大导轨精度的综合修正刮研及坐标定位精度的综合修正，说明系统误差综合补偿法是精密数控机床制造中的一个重要应用方向。 - The offset and gain error correction are relatively simple, but the time-skew error correction is very difficult.
偏置误差和增益误差的消除相对简单，而时间相位误差的修正非常困难。 - The design given in this paper applies frequency offset estimation algorithm using fast Fourier transform ( FFT) for the large frequency offset correction when digital down conversion. Theoretical analysis and simulation by MATLAB are taken to verify the feasibility of the algorithm.
本文使用基于快速傅里叶变换（FFT）的频偏估计算法对中频载波进行大频偏校正，并对该算法进行了理论分析和性能仿真验证了它的可行性。 - The dynamic comparator is adopted to eliminate the power dissipation, the large offset of the dynamic comparator can be eliminated by digital correction circuit.
设计中采用了动态比较器来降低功耗，其较大的失调误差可以通过数字校正电路进行校正。 - Then, a chip timing estimation and correction algorithm is proposed. The new algorithm can effectively implement the timing offset estimation and correction by sampling and filter weighting adjustment.
提出了一种时偏估计和时偏纠正算法，通过对接收信号采样并估算时偏，然后调整接收滤波器抽头系数来纠正接收信号的时偏。 - The amplitude ratio is N polynomial of the frequency offset, and the complex amplitude correction factor has N polynomial as well as trigonometric function. So it gets a lot of calculated amount.
由于加窗插值FFT算法得出的幅值比是频率偏移量的N次多项式，同时复振幅的修正系数中不仅含有频率偏移量的N次多项式还有三角函数，计算量很大。