In a multiprocessing environment, the processing time for a thread is related to the availability of system resources and synchronization with other threads.
在多处理环境中，线程的处理时间与可用系统资源以及与其他线程的同步有关。
The more threads running on a given system, the more demand for those limited system resources and the more time spent waiting on synchronization locks to release.
给定系统上运行的线程越多，对那些有限系统资源的需要更多，等待同步锁释放的时间越长。
Can smoothly migrate to DSP, the need for network time synchronization system.
可顺利移植到DSP上，用于网络时间同步需要的系统。
E. platform based embedded CNC system, unlimited upgrade expansion function. The anti interference design of hardware and software synchronization to ensure the reliable operation of the system time.
基于平台的嵌入式数控系统，无限升级扩展功能。软硬件同步的抗干扰设计，确保系统时间可靠运行。
Then for the vibration system with time-varied parameters and without time-varied elements in restoring force, a principal to design a derived synchronization system is given and proved.
然后，对于含有时变系统参数，非线性力不含时间项的情况进行了研究，给出了与其同步的系统的设计方法。
Windows XP users can synchronize their PC clocks by using the built-in time synchronization utility in the operating system.
视窗XP用户可利用附设在作业系统内的时间同步设施校对电脑时钟。
The long distance, high precision time synchronization is very important for SDH communication net, control of electric power system and satellite navigation system, etc.
远距离、高精度的时间同步对SDH通信网、电力系统调控和卫星导航系统等有着极其重要的意义。
With the demand of time synchronization between ground stations of satellite navigation system, the traditional time transfer methods are summarized systematically.
针对卫星导航系统站间时间同步的需求，系统地总结了传统的时间传递方法。
On the basis of communication operation schedule for system matrix formed with basis cycle, the time synchronization of system was obtained depending on the net time unit (NTU).
传输操作时刻表由基循环组成的系统矩阵为基础，时间间隔尺度以网络时间单元为单位实现时间同步。
As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precision system clock synchronization and high accuracy time delay estimation.
为了实现水下载体高精度的定位，GPS声纳浮标需解决两个方面的技术难点：高精度的系统时钟同步和定位信号的高精度时延估计。
The building up of Beidou navigation satellite system developed by China offers a new option of the time service for synchronization phasor measurement.
我国自主开发的北斗卫星导航系统为同步相量测量的时钟源提供了一种新的选择。
In the wireless sensor networks test system, in order to test the accuracy of the test subjects, the time synchronization is very essential.
在无线传感器网络测试系统中，为了对测试对象进行准确的测试，时间同步技术至关重要。
At the end, the paper analyzes the issues of system remote interface visualization, system combination and time synchronization, then puts forward the solutions of them.
文章最后对系统界面远程可视化、系统合并以及时间同步等问题提出了解决方案。
It is shown theoretically and experimentally that the time series synchronization algorithm introduced is able to acquire satisfactory accuracy for the application of wireless damage detection system.
经过理论分析及多次实验证明，采用该方法的同步精确度符合无线结构健康监测系统对时间同步精度要求。
As the Beidou satellite navigation system, it is possible to use the time service as the source of synchronization referrence in Tactics FH radio.
随着北斗卫星导航系统的正式运营，利用北斗无源授时服务提供的时钟作为战术跳频电台的同步参考时钟成为了可能。
In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.
对影响导航定位系统定位精度的各种因素进行了分析。研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。
This paper introduces the network time protocol and presents an approach to design the time synchronization system of our navy command system.
以网络时间协议为基础，提出了对海军作战指挥一体化系统的网络对时体系结构。
Based on the requests of synchronization for a high-speed FH communication system, we achieved synchronization by using a method combined synchronization-head with time of day (TOD).
针对高速跳频通信系统中同步的要求，采用同步头与时间信息相结合的方法实现跳频同步。
The first method is a combined synchronization method, the character of this method is that linear and nonlinear feedback functions are designed in the coupled chaotic system at the same time.
第一种方法是一种混合同步方法，即在响应系统的耦合函数中同时设计线性与非线性反馈函数。
Aiming at the difficulty of the system such as: high-precision timing and count, multi-channels synchronization, real-time data flow disci brought forward an according resolvement.
针对系统中的高精度定时计数、多通道同步和实时数据流盘等问题，提出了相应的实现方法。
The system may be widely used in time synchronization in Synchronous Digital Hierarchy (SDH) communication network and exchange and other timing application cases.
该系统可应用于SDH通信网时间同步、交换机时间同步等高精度定时领域。
The analysis, which is proved by simulations, offers the theoretical basis for correct time synchronization requirements in bistatic SAR system design.
通过仿真，验证了理论分析的正确性，从而为收发分置SAR系统设计中提出正确的时间同步要求提供了理论依据。
Adopting software anti-jamming technology, this instrument is based on AT89C51 to achieve the synchronization of the clock of time service system with UTC.
该设备基于AT 89c51，采用软件抗干扰技术，实现授时主系统时钟与中心UT C主钟的同步。
A new method to estimate the FFT block timing offset in the MCCDMA system is proposed. Consecutive training sequences are used to acquire the initial time synchronization.
提出了一种估计MC CDMA系统FFT起始时间偏差的新方法，采用连续训练序列来获得最初时间同步。
The approach does not need to modify the current frame structure and does not increase the system synchronization time.
该算法无须改动现有系统的物理帧结构，也不增加系统延时。
In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.
研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。
The number of time-hopping sequences directly determines the number of users in the communication system, while it is also a reliable guarantee of the synchronization and channel detection.
跳时序列的数目即是该通信系统中用户的数目，同时它也是整个通信系统同步与信道检测的技术上的保证。
The system is made up of theodolites, cameras, computers and time synchronization control systems.
该系统由多台经纬仪、数字摄像机、时间同步控制器及数据处理终端组成。
A data fusion method of realizing receiver and sender of satellite location system to keep the synchronization time are presented.
研究了实现卫星定位接收机终端时间与卫星系统时间保持实时同步的一种异步数据融合方法。
A data fusion method of realizing receiver and sender of satellite location system to keep the synchronization time are presented.
研究了实现卫星定位接收机终端时间与卫星系统时间保持实时同步的一种异步数据融合方法。
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