本文主要以一阶环为例讨论位同步信号提取。
This paper discusses extraction of the bit-synchronous signal with a first-order ADPLL mainly.
本文根据突发式数字通信快速锁相要求，提出一种位同步信号提取的新的快速全数字锁相环方案。
This paper presents a new type of all digital phase-locked loop(ADPLL)used for extracting a bit-synchronous signal to meet the requirements of the fast phase-locked in burst digital communication.
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。
The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.
而时域同步平均可以有效衰减与回转频率无关的干扰，提取与工作状态直接相关的周期信号。
Time domain synchronous averaging can reduce the signal not coherent to rotation frequency effectively, and extract the repetitive signals directly related to machine operation condition.
在提取过程中，通过对同步码的解码来定位水印信号嵌入的帧位置以及数据起始位置。
In the extract process, through the decoding of the synchronization code to locate the position of the watermark signal embedded in the frame as well as data starting position.
采用平方环实现载波同步信号的提取。
通过数字分析电路与CPLD提取同步信号，再次用示波器显示眼图。
Through statistical analysis to extract synchronization signals and CPLD circuits, once again shows the eye diagram with an oscilloscope.
结果：心音与心电的同步采集信号的对照显示该方法能够有效提取心音信号。
Result: it is an effective method to detect the heart vibration signal compared with simultaneous ECG recording.
在中低速散射通信中，调制解调器的位同步信号通常从含有同步信息的包络中提取。
In the troposcatter communication at low rate or medium rate, a bit synchronization used by modem is usually extracted from the envelope that contains synchronization information.
位同步时钟信号的提取是通信系统中的关键部分，应用数字锁相环可以准确地从输入码流中提取出位同步信号。
Bit synchronous clock recover circuit is the key part of the communication system, it can exactly recover the synchronous signal from input data stream.
在对解码方法的研究中，结合传统SAR信号处理提出了同步提取方法，分析了各种误差源对同步提取准确性的影响。
The study on the decoding method includes the synchronizing technique, the error analysis. The encoding technique used for polarimetric SAR calibration is derived.
将复合视频、YC分量等模拟视频信号进行AD转换以获取图像的数字信号，同时提取其中的同步和时钟信号。
The composite video, YC component analog video signals such as AD conversion to obtain digital image signals, to extract the synchronization and clock signals. (2) Embedded Systems PCB drawing.
卫星云图的帧周期变化，数据是突发性的。为了提取帧同步信号，研制出“定位孔径技术”，可靠地提取帧同步信号。
The frame period of satellite image changes suddenly, a positioning aperture technique is implemented to reliably acquire the frame period.
卫星云图的帧周期变化，数据是突发性的。为了提取帧同步信号，研制出“定位孔径技术”，可靠地提取帧同步信号。
The frame period of satellite image changes suddenly, a positioning aperture technique is implemented to reliably acquire the frame period.
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