Development of Symbol Timing Recovery Circuit for Variable Rate QPSK Modem

A Study of the Timing Recovery Method for OFDM on the Digital AM Broadcasting System

基于OFDM技术的数字AM广播系统时间同步算法研究

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An Improvement Method to the Timing Recovery for ATM Circuit Emulation

ATM网络中电路仿真业务定时恢复的改进方法

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Jitter Performance of Timing Recovery Unit of Optical Communication Systems

光通信系统时钟提取单元的抖动特性

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A Method for FSK Timing Recovery Based On Data Transition Tracking Loop

一种基于DTTL环的FSK定时同步方法

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In chapter 3, emphasis is put on timing recovery.

第三章研究定时恢复算法。

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Application of timing recovery in power electronic system integration

时钟恢复在电力电子系统集成中的应用

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Using SAW Filter for Timing Recovery in High-speed Fiber Optical Transmission Systems

用声表面波滤波器实现高速光纤传输系统的定时恢复

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A Timing Recovery Scheme for High Speed Data Transmission Systems

高速数据通讯系统的定时恢复方案

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A new type of timing pulse generator is designed and simulated using WINS software.

设计了一种新的产生RSFQ时钟信号的电路，并利用WINS软件对电路进行了模拟。

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In practice, the timing accuracy of radar data is directly related to the disaster weather prediction and identification. Therefore, business rules have been released to specify the timing precision of the radar systems. At present, manual dialing clock synchronization is commonly used.

在应用中，雷达探测数据的时间准确性直接关系到灾害性天气的识别和预测，业务制度规定必须对雷达系统进行精确校时，目前多采用人工拨打校时电话方式校时。

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Then the ability of the key component of timing circuit, analog delay line, is probed. The timing resolution and the influence of voltage disturbance, temperature and non-linearity on the timing precision is analyzed.

对集成电路测试系统定时电路关键部件模拟延迟线的性能进行了理论分析和实验，包括模拟延迟线定时分辨率的分析，电压干扰、温度、非线性等因素对定时精度影响的分析；

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A complement to the obfuscation and total timing measurements is a precision between keystrokes requirement.

对密码模糊度和测量总计时的补充是击键需求之间的精度。

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Therefore, the author puts forward an improved method which is able to offer a timing service with higher precision.

因此提出一种能够提供更高精度定时服务的改进方法。

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This paper emphasizes on the linear assembly optimization of some time-consuming key modules such as half pixel interpolate, sum of absolute difference ( SAD) and so on. Optimized linear assemble language is used to improve real timing and precision.

这些方法提高了程序代码的并行性和存储器的访问效率，其中重点介绍了算法中比较耗时的半像素插值、绝对误差和（SAD）等关键模块的线性汇编优化。

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The timing and precision of their audacious raid indicated they almost certainly had help from people who knew details of airport operations, people familiar with the investigation have said.

了解相关调查的人士说，这场大胆的抢劫无论从时机把握还是行动的准确性上来讲都显示出，歹徒们几乎肯定是得到了熟知机场运营细节的人的帮助。

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Optimized linear assemble language is used to improve real timing and precision.

为了提高实时性和精确度，采用线性汇编优化实现。

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In an uniform accelerated motion experiment, the timing precision to record the moment a cart passes the measuring point can reach 10-4 S by Programmable Timer/ Counter 8254. The experiment system can replace the traditional timing method.

在匀变速直线运动的实验中，利用可编程定时/计数器8254来记录运动小车过测点的时刻值，可使计时精度达到万分之一秒。该实验系统可取代传统的计时方法。

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But, to the development prospect of the PRML, the sampling frequency becomes higher, so that the request of the timing precision also becomes higher. So, the research of the high-performance timing recovery technology is urgently needed.

PRML通道不断发展的过程中，所需采样率在不断提高，而准确译码对判决定时精度的要求也随之增高，所以，研究高性能的时钟恢复技术也成为硬盘读写通道研究的迫切需要。

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Based on experimental results obtained from measuring signal transmission delay distribution with the demonstration system of General Cell Synchronization System, this paper systematically deduces arithmetical expression of clock reading error, probability of success synchronization and timing precision of the method.

结合微型核同步系统样机传输延迟分布的实验结果，本文推导了该方法的读时钟误差、同步成功概率以及同步精度的表达式。

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Round trip time of a laser pulse from the emitter to the object is used in pulse laser ranging. Because of the high speed of light the key to improve the ranging precision is the timing precision improvement.

激光脉冲测距是通过测量激光束在待测距离上往返传播的时间来计算出距离的，由于光速极快，提高测距精度的关键就是计时精度。

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