该时间同步装置为实现电力系统精确可靠的状态实时监测提供了重要依据，还适用于各种高精度的同步采样系统等工业应用场合。
It maintains the high accuracy output pulses when GPS is out of work and provides the powerful foundation for the accurate and reliable real - time state monitoring in power system and all.
如实时设定的实际采样率和压力传感器零点、对传感器校准与标定的正确性等诸因素均可影响实测数据的精度。
Important factors include the sampling rate, the zero point of pressure sensor, and the correct calibration of sensor, the revised program and algorism may improve the precision of measurement.
数字控制器存在采样与计算延时，实时控制性差，采用数字控制器实现双闭环瞬时值控制比较困难。
But it is hard to realize the dual-loop instantaneous control with digital scheme, because there is delay time of sampling and computing and lack of real-time regulation for digital control.
但由于数据量大，采样率低，响应速度受到限制，使它在要求实时响应的小型系统中很难得到应用。
But the large amount of data needed to be processed limits the sampling frequency and the responding velocity, makes it not practical in real time system.
通过监测系统软件设计，实现对采样数据、波形和图形进行实时屏幕显示，对表面疲劳裂纹扩展进行动态监视。
The sampled data, sampled waveform and graph can be real time displayed, so that a supervision for the status of surface fatigue crack growing can be accomplished.
本文详细讨论了实时数据的各种定时特征，包括数据的外部有效期、相互一致性、采样同步性、数据截止期等；
This paper discusses all kinds of timing characteristics about real time data including external validity interval, mutual validity interval, sampling simultaneous interval, data deadline etc.
合理选择采样频率是设计实时数字控制系统遇到的实际问题。
How to select sampling frequency reasonably is an actual problem in designing the real time digital control system.
具有独特的双输入接口、灵活的传感器接收、高速采样、实时记录、多种记录模式和实用的操作、处理、成像软件。
It has distinctive double input interface, flexible sensor receiving, high-speed sampling, recording in realtime, multi-recording mode and practical operation, processing and imaging software.
本文深入分析了CNC系统体系结构、实时控制与定时采样机制、三维加工轨迹跟踪技术。
In this paper we analyze CNC system structure, real-time control and timing sampling mechanism, three-dimension process trace technique.
许多检测系统对采样速率的要求不是很高，但需要实时输出检测结果。
The sampling velocity is not important in many testing system, but it may be re-quired to output the testing result real time.
提出了一种适于高精度实时电力谐波分析的自适应调整采样频率的电网频率跟踪算法。
An adaptive sampling frequency tracking algorithm which adapt to realization of precise real time harmonic analysis is introduced.
该方法包括信号频率实时估计、采样频率同步跟踪和谐波系数误差校正几个要素。
The method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.
借助芯片的捕获功能，计算信号的实时频率，实现了整周期采样，保证了数字信号处理的精度。
The integral period sampling, which is realized by realtime frequency calculation and voltage capture function of IC chip, is necessary for precise digital signal processing.
带时标采样系统在工业实时监测系统中有良好的应用前景。
Sampling system with a time scale has a broad application prospect in the industrial real-time monitoring system.
但传统的行波差动保护要求实时传送所有高速采样数据，目前的通信手段难以胜任；
Traditional traveling wave differential protection needs to transmit large amount of real-time high-frequency sampling data, which is difficult for current telecommunication methods.
采用该映射方法，在普通的PC机上即可完成实时坐标变换及对回波采样数据的进一步处理。
By this mapping method, the real time coordinate conversion and processing of the echo signal become possible to perform for an ordinary PC.
对于可以用延时二阶模型来拟合的过程，使用一种智能采样技术，结合阶跃下降法，实现了对实时过程的在线模拟。
An intelligent sampling technique coupled with the steepest descent method is implemented for on-line estimation of the process, which can be approximated by a second-order model with time delay.
针对果园生态环境采样速率的要求，提出了果园生态环境实时数据采集的设计方案和系统实现的关键技术。
According to requirement of orchard environment sample speed, we advanced the project of real-time data acquisition of orchard environment and key technology of system realizing.
针对传统超声探伤数据采集系统采样速率低、处理速度慢、实时性差的问题，设计了一种高速数据采集系统；
To resolve the problems of low sampling and management speed, bad real time performance on traditional ultrasonic testing data-acquisition systems, one new system is designed.
完全采用软件来实现以往由硬件完成的功能，其中一项关键的技术就是如何获得精确的采样与控制定时，也就是实现实时数据采集和控制。
To realize the function, one pivotal technology is how to gain accurate timing of the adopting and controlling, that is to realize real-time adopting and controlling.
该时间同步装置为实现电力系统精确可靠的状态实时监测提供了重要依据，还适用于各种高精度的同步采样系统等工业应用场合。
It maintains the high accuracy output pulses when GPS is out of work and provides the powerful foundation for the accurate and reliable real-time state monitoring in power system and all.
提出了利用交流数字采样法进行矿井提升机力图实时测定的一种新的硬件电路设计及其软件算法。
In this paper, a new hardware circuit of real time measuring for mine hoist force diagram based on alternating current sampling is proposed. The software algorithm is also given in the paper.
本系统采用了AT 91rm 9200作为主控芯片，并实时将采样信号传输到PC工作站，供PC工作站分析。
It USES AT91RM9200 as its main control chip, and transmits vibration signal to the PC work station which analyses the signal in real time.
综合孔径雷达(SAR)实时成像处理器，在满足分辨率的情况下，通过预滤波和降采样的方式降低数据率来满足系统处理带宽的要求。
Under the condition of meeting resolution, the SAR real-time imager can satisfy the demands of the processing band by pre-filter and down-sample.
该方法无须对原机器硬件作任何改动，可用于微机实时控制系统中，方便地获得任意采样频率。
No hardware alteration is needed in this method. The time-interrupt achieved can be used in real-time microcomputer control systems and various sample frequencies can thus be conveniently obtained.
以工业安全生产数字化平台为研究背景，分析了几种交流采样算法，并根据实时性和精度要求选用适宜的算法；
Several algorithms for AC sampling are analyzed and the appropriate one is used in the digitization platform for industrial production.
该技术的关键是采用多种定时中断，包括采样完成中断、定时采集中断、通信中断、实时多任务中断技术等。
The key points to this technology are the timer interrupt, A/D interrupt, communication interrupt and real time operation.
由键盘输入温室土壤的上、下限温度，通过ADC0809对温室土壤温度进行采样，并实时显示土壤温度。
Upper and lower temperature limits are inputted through keyboard and soil temperatures are sampled by ADC0809 with real time display.
使用数据采集系统实时采集试验过程中的压力、流量数据，同时对筛管防砂后的流体采样，并进行粒度分析。
It can collect the pressure and the flow by da (data acquisition) system during testing, also can sample and analysis the grain size of the flow after controlled sand.
针对低信噪比的雷达回波信号数据采集，文中给出了中频带通采样方案，并选用PC I_9820高速采集卡实时采集和存储数据。
Aiming at data acquisition of radar echo signal with low SNR, IF band-pass sampling concept is proposed. High-speed acquisition card PCI_9820 is used to sample in real-time and store data.
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