synchronization error

Based on the system is of the characteristics of coupling effect, the difference between two motors 'transfer functions and system parameters' time variability, the thesis proposed a synchronization control based on synchro-error feedback.

针对转台中框同步驱动系统所具有的耦合作用、两同步通道传递函数的差异等特点，提出一种基于校正的同步误差反馈的等同式同步控制方法，仿真结果表明该控制策略合理可行。

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finally, experimental test of the synchronization error and real-time.

最后，通过实验测试了同步误差和实时性。

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The orthogonal multicarrier modulation, which is the main character of OFDM, determines that it is very sensitive to both timing synchronization error and carrier frequency offset.

OFDM系统自身的正交多载波调制特点，决定了其对定时误差和载波频率偏差十分敏感。

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therefore, the distributed spaceborne sar beam synchronization error will inevitably affect the synthetic antenna pattern.

因此，分布式星载SAR波束同步误差不可避免地会影响合成天线方向图。

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In the same time, we can see the change of synchronization error caused by parameter mismatched.

同时利用数值模拟计算分析在不同的控制参数下,其同步误差随参数失配的变化情况.

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analysis and summary of synchronization error are drawn through designing single-hop and two hop error test scheme.

通过设计单跳和二跳同步误差测试方案，对同步误差进行测试分析和总结。

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Analysis of Frequency Synchronization Error in Spaceborne Parasitic SAR System

星载寄生式SAR系统频率同步分析

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In the environment of low signal to noise ratio, the traditional synchronization schemes based on the correlation method can not match the strong error correcting ability of turbo code.

在信噪比极低的情况下，传统的基于同步码相关的方法已不能满足turbo码强译码能力的要求。

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Analyse the impacts of each synchronization error to the system.

分析各种同步误差对系统性能影响.

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In this paper the measurement algorithm of a multifunctional microcomputer power parameter transducer is presented. The errors of instrumentation, which includes the phase-locking synchronization error, the channel transfer error, the CT nonlinearity error, frequency alias error and phase error, are analyzed.

本文介绍了一种交流采样综合电量变送器的测量算法和设计技术要点，分析了仪表的误差来源：通道传输误差、电流互感器非线性误差、相位误差和频率混叠误差。

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Out-of-step in the clock synchronization equipment of substation, causing automation SOE alarm time error, which can not do analysis and comparison about data based on a unified clock.

因时钟不同步，造成自动化SOE报警时间存在错误隐患，从而不能在统一时间基准上进行数据分析与比较。

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Frame Synchronization and Allowable Error Analysis

帧同步及其容错分析

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Orthogonal frequency division multiplexing ( OFDM ) systems are very sensitive to the synchronization error.

正交步分 复用系统 对同步误差非常敏感.

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According to the speciality of insensitive to timing error for fractionally spaced equalization, the writer makes a study that timing synchronization and channel equalization are both achieved by using fractionally spaced equalization.

由于分数倍均衡器具有对定时相位不敏感的特性，所以作者主要研究了利用分数倍盲均衡器进行定时同步的问题（也同时实现了信道均衡）。

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And it presents an estimation method for frequency difference by means of data synchronization selecting the time window of AFC frequency difference estimation hi order to solve the problem that data symbol transition induces an enormous error of frequency difference estimation.

针对AFC频差估计中数据突变引起频差估计较大误差的问题，提出了利用数据符号同步对AFC频差估计时间窗口选择的AFC频差估计方法。

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for all sensor nodes with same hop distance from the time beacon node, the ratio of their average synchronization error to hop distance switches from 19.8 to 15.5 μ s per hop.

具有相同跳距的节点的平均同步误差随跳距的增加率由19.8减小至15.5μs/跳；

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Under the real condition with parameter mismatch and noise, the complete synchronization will be replaced by the delay synchronization, and the synchronization error changes in step shape as the injection delay changes.

当存在参数偏差或噪声时，系统能实现延时同步，此时注入延时对同步质量的影响呈阶梯状。

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