线路码；频谱变换；位定时提取。
并在简单定时提取电路（STC）的具体情况下与其它推导方式的结论进行了分析比较。
Their specific results in the simple timing extraction circuit(STC) condition are compared with those from other deductive methods.
一开始，从LINEITEM表中提取规定时期内通过邮寄或海运发货的行项目所对应的订单号。
Initially, order keys corresponding to line items shipped by mail or sea during the qualifying time period are extracted from the LINEITEM table.
在七天的实验里，每隔一定时间就要更换一次纤维，然后用一种叫做气相色谱质谱联用仪的装置提取以供分析。
The fibres were replaced at regular intervals over the course of seven days and taken away for analysis by a device called a gas chromatograph-mass spectrometer.
本文通过对NRZ、RZ伪随机码序列进行频谱分析，得知当NRZ码变换成码元占空比为1/2的RZ码时，所提取出的定时时钟功率最强。
By analysing frequency spectrum in this paper, we can understand that when NRZ code be transferred into RZ code of 1/2 mark-to-space ratio, the timing clock can be obtained at largest power.
由于两者频谱成分不同，其定时时钟提取方式则不同。
Because both of them contain different frequency spectrum, their timing clock obtaining systems are different.
自传体记忆过度概括性是指个体不能按要求提取特定时间内的具体事件或情节，而倾向于回忆那些类别化和重复性的事件。
Overgenerality of autobiographical memory refers to that individuals can't retrieve specific events or episodes in a given time point, but trend to retrieve generic and repeated events.
SDH网络设备必须具有从STM - N线路信号中提取定时参考的功能。
The devices in SDH network must have the function of extracting timing reference from STM-N.
在鉴定过程中补充或者重新提取鉴定材料所需的时间，不计入鉴定时限。
The time necessary for making a supplement to or re-collecting the authentication materials in the process of authentication shall not be counted in the authentication time limit.
SDH网络设备必需具有从STM - n线路信号中提取定时参考的功能。
The devices in SDH network possess the function of extracting timing reference from STM-N.
为了减少计算量，本文采取了固定时间间隔提取关键帧的办法。
To reduce computational complexity, the system captures the key-frames in fixed time interval.
利用时频分布，可以对各种信号进行分析、处理，提取信号在特定时间特定频率所具有的特征信息。
Using time-frequency energy distribution we can analyze, process any signal and abstract information in given time or frequency.
利用升余弦包络调制信号的特点，即基带信号为升余弦波，接收端可以利用这一包络，从中提取定时信息。
A method by using 8031 single-clip microprocessor to get the syntonical bit information is presented, based on the characteristic of the modulated singal in ascending cosine envelope.
一般传输系统中，为了节省频带是不传输定时信息的，必须在接受端从相应的基带信号中加以提取。
In general transportation system, to save FB (frequency belt) does not transport sharp-information, but extracts from the BB signal of the receiving-but.
一般传输系统中，为了节省频带是不传输定时信息的，必须在接受端从相应的基带信号中加以提取。
In general transportation system, to save FB (frequency belt) does not transport sharp-information, but extracts from the BB signal of the receiving-but.
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