时间基准

属性中指定时间基准为12小时或24小时。

Specifies A12 hour or24 hour time base in the timebase property of the timefieldformat class .

在重放的过程中可以改变磁带的速度，以使时间基准拉长或缩短。

By varying the tape speed during playback , the time base can be extended or compressed .

提出了以GPS秒输出脉冲为时间基准的GPS与SINS的时间同步方法。

A time synchronization method between GPS and SINS is proposed based on the GPS second pulse .

本文通过对Internet网和网络时间基准现状的分析，提出了时间证据在网络上的应用。

In this paper , through the analysis on the Internet network and the present status of network time baseline , presents an application of the time-checking on network .

GPS（Globalpositioningsystem）即全球定位系统，它是一个中距离圆形轨道卫星定位系统，可以为地球表面绝大部分地区提供准确的定位和高精度的时间基准。

GPS ( Global Positioning System ) is space-base radio positioning system that can provide accurate positioning and high precision time information to user anywhere on the surface of the earth at anytime .

移动基站的综合节能上海天文台VLBI站的时间基准

Economize of Mobile Base Station TIME REFERENCE OF VLBI

上海天文台VLBI站的时间基准

Time reference of VLBI

主要探讨了利用GPS提供高精度的外时间基准，建立和保持发射信号的绝对时间，即可实现绝对时间的自由同步，以此来提高罗兰C系统本身的同步精度，进一步增强和完善系统的导航性能。

The paper mainly discusses the freedom of synchronization of absolute time , found and keep absolute time of signaled , by using GPS high precision time basis . To improve precision synchronization of Loran C system and consummate the navigation capability .

本课题的任务是将项目中数字储存示波器（DSO）的时间基准电路、控制单元和接口电路集成到一片现场可编程的逻辑门阵列（FieldProgrammableGateArray）使其能够完成DSO的数据采集功能。

The task of this subject is to integrated the Time basic circuit , control module and interface circuit to the a Field Programmable Gate Array ( FPGA ) and make it working as a data gather .

在省电模式下，异步定时器与LCD控制器继续运行，允许用户保持一个时间基准及对LCD显示器进行操作，而其余功能模块处于休眠状态；

In Power-save mode , the asynchronous timer and the LCD controller continues to run , allowing the user to maintain a timer base and operate the LCD display while the rest of the device is sleeping .

阐述了时钟同步在电力系统自动化应用中的重要性，对BPM短波授时信号的特征进行了分析，确定了以UTC时号系统作为本系统的时间基准。

Firstly the importance of the application of time synchronization in a power-system automation is clarified and an analysis on the characteristics of BPM short-wave time signalization is proceeded .

如BITS就是一种时钟设备，它提供用在通信系统中控制某些功能的定时的时间基准设备，时钟提供的信号称为基准信号、定时信号或同步信号。

For example , BITS is a kind of timing equipment , which is used to control the timing of some functions . The signal provided by the equipment is called primary signal , timing signal and synchronization signal .

为姿态精确测量系统提供统一时间基准的一种方法

A method of providing unified time reference for accurate attitude-measure system

而高精度的时间基准是一切导航定位系统的核心。

And the high accuracy time standard is the core of all kind of navigation system .

综合原子时间基准

The Jointed Atomic Time Scale

互联网上的时间基准

Time Standard In Internet

该技术通过网络节点之间时间基准的相互交换和相互控制，实现节点之间的相互同步。

The synchronization of the network is achieved by the exchange and interaction control of the time benchmark between the nodes .

它为系统提供精确的时间基准，可以实现定时或延时控制，并能够计数和记录事件。

It provides a exact time reference , implements timekeeping or delay-control , works as a counter and stamp event in the system .

高精度的卫星导航定位、授时、测姿及侧向等技术都依赖于高精度的空间基准和时间基准。

High-precision satellite navigation and positioning , timing measurement , posture measurement and lateral measurement techniques depend on high-precision spatial reference and time reference .

原子频标是空间技术和授时系统的频率与时间基准，直接决定了卫星通信的质量。

Atomic Frequency Standard is the frequency and time benchmark of space technology and time awarding system , directly determining the quality of satellite communications .

高精度时间基准即原子钟技术，关系到国家安全和其他高科技领域发展水平。

High precision time reference which based on the technology of atomic clock , usually affects the national security and the development level in the related high-tech field .

该系统用高稳定度铷钟作为时间基准信号，实现了无源导航定位功能。

Rubidium atomic clock is used for the time reference signal in the system , by which the user can get the positioning information without sending any signal .

接收机的码跟踪环路以码速作为时间基准，对采样频率实际值与标称值之间的偏差进行跟踪，环路稳定后得到该偏差的估计值，其采样频率的准确度可提高到10-7量级。

By adopting code rate as timing benchmark , the code tracking loop in the receiver tracks and calculates the sampling frequency offset between the actual and nominal values .

单片机中都集成有定时器，配合软件可以作为系统的时间基准，构成一个实时时钟。

In the monolithic integrated circuit all integrates has the timer , coordinates software to be allowed to take the system the time datum , constitutes a real-time clock .

在航天航空领域中，许多测试设备和通信系统都需要统一的时间基准，计算机在其中的作用越来越重要，目前能够为计算机提供标准时间信号的设备还不多。

Many communication systems and testing equipment need uniform time in the field of spaceflight and aviation . The action of computer in these fields is more and more important .

这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。

These signals provide an important reference of the gain of antenna , the time reference , the phase reference and the frequency of carrier wave for generating stimulant echo signal .

本文介绍一种100MHz8通道程控时标脉冲产生器，它利用软件方法来改变各路时标对时间基准的延迟，调节灵活方便。

A 100 MHz 8-channel programmable time mark pulse generator is described . The delay of the time marks relative to the reference time can be changed by means of software .

各现场单元以实时时钟为时间基准，定时同步测量，从而使得不同设备的测量结果具有可比性。

All the on-site parts start measuring simultaneously according to the time of the real time clock in each part and thus the results of different equipments are comparable to each other .

卫星钟作为导航系统的星上时间基准，是卫星导航系统的核心部分，其性能将直接影响系统的服务精度。

Satellite clocks as the time basis of navigation system onboard is a core part of the satellite navigation system , whose performance will directly affect the accuracy of the system services .

电力系统规模的扩大以及电力系统控制技术的发展，对各调度系统以及发电厂和变电站的时间基准都提出了新的要求。

The expansion scale of power system and development of control technologies in power system put forward new requirements on time base in power dispatching system as well as power plants and substations .