timing error

The loop of this method mainly includes interpolator, NCO control, timing error test and loop filter, resample.

这个系统环路由插值滤波器、gardner定时误差估计模块、NCO控制器以及环路滤波器等几个部分组成，文中对各个部分进行了分析并介绍其实现方法。

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The main error sources of pulse width measurement, including counter's repeatability, trigger level timing error, time base error, the amplifier hysteresis error, LSD displayed error, etc. are analyzed.

分析了脉冲信号源脉宽测量时的主要误差来源，包括计数器测量重复性、触发定时误差、时基误差、放大器滞后误差、分辨力误差等；

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Design the parameter of timing recovery loop. Simulate the convergence of timing recovery loop. And Gardner Timing error correction is used to get timing error information.

设计了环路各个部分的参数，仿真了定时恢复算法的收敛情况，证实了Gardner算法在有载波相位误差、交叉串扰情况下仍能够很好收敛。

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To achieve fine symbol timing, a loop controlled by numerical controlled oscillator ( NCO) was used to track the residual timing error and the sampling frequency error after coarse timing acquisition based on a preamble.

基于前导字进行粗同步估计，并采用数字控制振荡器（NCO）控制的环路对残留符号定时误差和采样频率偏差进行跟踪补偿，以获得精确符号同步。

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Comparison of Feedforward Timing Error Detection Algorithms Based on Digital Filtering and Squaring

基于滤波和平方的前馈式定时误差检测算法比较

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The timing recovery in this paper is composed of interpolation, timing error detector, loop filter and numerically controlled oscillator.

本文设计的定时恢复结构包括插值器、定时误差检测器、环路滤波器和数控振荡器四部分。

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So the square timing algorithm is selected for timing recovery of QAM signals and cubic interpolation is chosen for timing error correction. 2. Study the phase estimation algorithm for multi-antenna high-order QAM signals.

因此本文在高阶QAM解调中利用平方定时同步算法进行符号定时，并采用立方内插滤波器进行定时误差纠正。2、研究了多天线信号的相位估计算法。

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The rebalance timing of index tracking with proportional transaction costs is studied. We make use of linear tracking error ( MAD) first introduced by Markus Rudolf.

主要利用Rudolf介绍的一种线性跟踪误差&平均绝对偏差，来研究带比例交易费用的指数跟踪重平衡的时机问题。

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The impact of timing error on BER performance of TDD phase pre-equalized OFDM systems is investigated.

研究了在多径瑞利衰落环境中,抽样定时误差对相位调制的时分双工(TDD) 预均衡正交频分多路复用系统(OFDM)的误码率性能影响.

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The intensification of contradictions, unlimited passion and limited resources, system error occurred in the city, fuzzy and confused the timing of

矛盾的激化，无限的激情和有限的资源，发生系统的错误在城市里，模糊的时间性和迷茫性

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Blood HCG compares in traditional urine HCG is more accurate, the error is smaller, moreover may timing advance examination.

血HCG相比于传统的尿液HCG更加准确，误差更小，而且可以把检测的时间提前。

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Based on samples selecting and vector rotation of correlation output vector at only on time channel, timing error detection statistics are approximately acquired and timing adjustment are carried out.

该方案充分利用准时路复相关矢量信息，通过矢量旋转得到非相干定时误差检测量，进行定时跟踪调整。

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OFDM system performance is more sensitive to frequency offset and timing error than single-carrier systems.

OFDM系统中频偏和定时误差的存在，对系统性能有很大的影响。

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Doppler frequency drift and timing error were considered in state transform equations.

状态方程综合考虑了多普勒频移、定时误差.

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Then we make some efforts to discuss the timing recovery scheme which is composed of interpolator, timing error detector, loop filter and numerically controlled oscillator and do the simulation of the scheme.

对于定时恢复的各个部分：内插器、定时误差检测器、环路滤波器和数控振荡器进行了详细阐述，并进行了定时环路的仿真。

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The dynamic errors are mainly timing error, clock jitter, finite output impedance, output variation effect and nonlinear switching transient.

动态误差主要有时序误差、时钟抖动、有限输出阻抗、输出波动效应、开关瞬态非线性等。

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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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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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