可靠性数字

Finally a all-digital recorder system based on RAID5 which has a RT-Linux real-time software operation system and intermediate/video frequency acquisition card driver to overcome such problems as real-time quality reliability chunnel expansibility and standardization.

最终提出了以RT-Linux实时操作系统为软件平台和专门设计的中频和视频采集卡驱动为底层硬件平台的基于RAID5阵列的全数字记录系统，全面解决了记录实时性、可靠性以及通道扩展性和标准化的技术难题。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

But some of those systems adopt one layer DDC structure that is unreliable and badly expansible, and can't satisfy the requirement of general management and hierarchy management in fermentation process.

但在这些实现的系统中，有很大一部分采取单级的直接数字控制系统结构，可靠性和可扩展性都比较差，很难满足对全厂的发酵过程进行全局管理和分级管理的需要。

The HAF Series devices provide highly accurate digital output, enhanced reliability, and repeatable measurements to meet many medical and industrial application specifications.

HAF系列设备提供高精确度的数字输出，增强的可靠性和可重复的测量，以满足许多医学和工业应用规格。

Compared with traditional analog IF method and digital base-band method, this new method has some advantages such as simplicity, temperature insensitiveness and high reliability and can be used in spread-spectrum communication, pulse compression radar and IFF systems.

与传统采用的SAW中频模拟处理方法和数字基带处理方法相比，该方法具有结构简单、工作温度范围宽和可靠性高等优点，可用于扩频通信、脉冲压缩雷达和敌我识别等系统。

Based on survey of existing methods, in this dissertation: aimed to the reliability of stereo image matching in digital photogrammetric, a new matching strategy utilized local continuity constraints encoded by triangulation of the well-defined points is proposed; concerned with the inherent efficient, accuracy and size constraint problems of existing topographic structure extraction approach, an efficient, accurate and large scale data adapted approach based on the combination of vector and raster processes are proposed.

在对国内外这方面工作进行总结分析的基础上，针对数字摄影测量立体像对影像匹配的可靠性问题，首次提出了基于良好匹配点三角形约束下影像匹配传播方法；为了解决以往基于邻域操作的地形结构线提取算法效率低下、结果准确性差和处理数据规模限制等问题，提出了适用于大规模规则格网DEM数据的基于矢量、栅格操作相结合的地形结构线快速提取算法。

The experimental results show that controlling the pulse width of monostable trigger with CPLD on the basis of full digital ciruits effectively helps the realization of mi...

实验结果表明在全数字电路的基础上，用可编程逻辑器件实现的单稳态触发器脉宽控制能有效地实现激光引信电路系统小型化，提高电路的可靠性

However, this requires a sophisticated computerised control system, or "fly-by-wire", to provide artificial stabilisation and gust elevation to give good control characteristics throughout the flight envelope. The J-10 uses a digital quadruplex four-channel FBW system developed by the 611 Institute.

这就需要一个稳固可靠的计算机控制系统或称"电传"飞控系统在飞行包线范围内为其提供人为的可靠性和稳固的控制特性。J-10采用了611所研究的数字4余度（4个通道）电传飞控系统。

To effectively increased the reliability of wireless telecommunications standard machines to improve efficiency of the use of direct digital drive, DGPS, network technology, and aircraft radio beacon machine improvement program, navigation systems can be improved as the Polish reference.

为有效增加无线电信标机的可靠性、提高效能，探讨了采用直接数字驱动、DGPS、并机网络等技术对无线电信标机进行改进的方案，可作为中波导航系统改进参考。

The series adopt integrated circuit with advanced special measuring chip, and reliable electronic components.

本产品采用集成电器技术、先进的专用数字电能计量芯片和红宝石电容器等高可靠性电子元器件。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。