1、

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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2、

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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3、

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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4、

A counter with timing fiducial oscillator acts as a frequency multiplier, and the count value in the prior period is taken as the reference for the current period to give the decimal part of a signal period.

该方法利用带基准时基的数字计数器实现周期内线性细分,当前周期信号将前一整周期的倍频数作为参考构成信号周期的小数部分。

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5、

In its simplest form, this oscillator consists of a timing resistor and capacitor connected to ground.

最简单的形式,这种振荡器由一个定时电阻器和电容器的连接到地面。

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6、

this system uses the quartz crystal oscillator, the frequency divider, the counter, the monitor and the timing electric circuit composition.

本系统采用石英晶体振荡器、分频器、计数器、显示器和校时电路组成。

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7、

4 mhz internal oscillator for digital timing

可数字计时的4兆赫内部振荡器

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