系统性能

Web系统性能测试工具的研究对于提高Web系统的质量具有重要的意义。

Research on web system performance testing tool is very important for building high quality web systems .

Web系统性能测试工具是评估Web系统性能的软件程序。

Web system performance testing tool is a kind of program created to evaluate the performance of web systems .

分析表明如果设计方法欠佳，PID控制器不能发挥优良调节能力，使逆变器单环控制系统性能不很理想

Inverter loop PID controller woks not very well if PID controller parameters are not designed well .

拖拉机机组系统性能CAD软件系统平台设计

Software Platform Design on Performance CAD System for Tractor Combination

TCM正交序列扩频多址通信系统性能分析

Performance Analysis of TCM Orthogonal Sequences Spread Spectrum Multiple-Access Communication System

优化内存提高SqlServer系统性能

Optimizing Memory to Improve SQL Server System Performance

光纤四波混频对ASK调制直接检测光频分复用系统性能的影响

Influence of Four-Wave Mixing in Fibers on the Performance of Ask Direct Detection Optical Frequency-Division Multiplexed Systems

Linux操作系统性能评价方法

Performance Evaluation of Versions of Linux Operating System

以太网MTU与IPSAN存储系统性能

Ethernet MTU and IP SAN Storage System Performance

监控系统性能识别系统限制，包括CPU、内存、磁盘和网络限制。

Monitor system performance to identify any system limitations , including CPU , memory , disk , and network limitations .

充分讨论了交流电机数字控制中的特殊问题和影响控制性能的因素，采用变步长和变PI等技术手段，使系统性能得到了改善。

Adequate discuss was given to the special problems and the factors which affect the performance met in the digital control .

ISDN网的分组通信系统性能分析

Performance Analysis for Packet Switching Communication System in ISDN

光电成像系统性能参数MRC及其测量方法

Electro - Optical Imaging System Performance Parameter MRC and its Measurements

应用结果表明，TOC系统性能指标好，鲁棒性强。

Index ; The result of application shows that TOC system has good performance and great robustness .

研究在ADO.NET中如何使用Shape命令，获取查询结果的层次记录集，减少数据库服务器和应用程序之间传输的数据副本，提高系统性能。

To research how to utilize the Shape command to retrieve hierarchical recordsets of the query result , this method can reduce data duplicate between the data server and application , enhance the system capability .

然后给出了单用户和多用户情况下的该系统性能分析，并讨论不同信道参数（角度扩散，Doppler频率和突发帧长等）对系统性能的影响。

Performance analysis in single - and multi-user environment is presented and the relation between system performance and channel parameters ( angle spread , Doppler frequency and burst frame size ) is discussed .

新型丙泊酚目标控制输注（TCI）系统性能初步评价。

To evaluate initially the performance of a new target-controlled infusion ( TCI ) system in Chinese .

采用CPLD实现视频信号的数据采集，可提高系统性能，同时具有适应性和灵活性强，设计、调试方便等优点。

Using CPLD to realize video signal acquisition will enhance the system capability , and easy to design and debug . It also has such advantages as adaptability and flexibility .

分析了不同译码算法、迭代次数以及数据帧长等参数对Turbo均衡系统性能的影响并得出有利于系统参数选择的结论。

After that , the effect to Turbo equalization system , caused by several parameters such as different decoding algorithms , number of iteration , data frame , is analyzed and conclusions are made .

利用Visualc++开发的系统性能稳定，用户界面友好，基本实现了优化下料、余料管理、下料原始数据和刀口数据管理等功能。

Software developed using Visual C + + is easy of operation with a friendly and convenient user interface , in which functions as optimum cutting , surplus materials management , standard slitter knife parameters query , stocks and pieces ' data management are involved .

所设计的系统性能如下：（a）在距离为100m以内，处于开阔场所、没有其他强的噪声时，系统可以可靠的进行传输。

Practically , the system capabilities are as follows : ( a ) Data may be transferred reliably when wireless module lies at wide site without strong noise inside 100 meters .

由于声音实时性和连续性的特殊要求，驱动程序中DMA引擎和内存管理直接影响系统性能。为此，本文重新设计和实现了DMA引擎和内存管理以提高性能。

Finally , DMA engine and memory management are redesigned and implemented by using dual buffer design to improve the system performance which meets the requirement of real-time and continuity of audio .

但是OFDM也存在一些缺点，如它的正交性在传输中易受破坏，从而需要大量的开销（CP和虚载波等）、较为严格的定时同步等来保证系统性能。

However , OFDM has some intrinsic shortcomings : its orthogonality is susceptible to be destroyed by frequency offset in practical transmission , thus considerable overheads ( CP and virtual carriers ), strict synchronization and etc. are needed to guarantee it .

J2EE模式提供了一组基于J2EE平台的对常见问题的解决方案，使用J2EE模式可以显著优化系统性能，有效增强系统的可维护性、扩展性和重用性，大大缩短系统研发周期。

The J2EE patterns are a collection of J2EE-based solutions to common problems . Using J2EE patterns can optimize system performance remarkably and enhance numerous aspects of the system , including maintainability , extensibility , and reusability , and also can abridge the developing time greatly .

由于WCDMA能够同时提供话音和数据等多种业务，该文采用仿真手段对WCDMA的话音和WWW数据用户在P-FIFO队列机制下的平均等待时间进行了分析，可为系统性能仿真中所需参数提供参考。

It is well known that the WCDMA can accommodate multi services . This paper analyzed the mean waiting time of voice and WWW data users with P-FIFO schedule scheme in WCDMA . We obtained the simulation result .

通过最大比合并和选择性合并的性能对比，说明了采用最大比合并的系统性能和系统容量都要好于采用选择性合并以Globalstar通信星座为代表的系统。

The comparison between the performance of maximal ratio combining and the performance of the selection diversity verifies that the system of maximal ratio combining is better than the system of selection diversity such as Globalstar in the performance and the capacity .

受激喇曼散射对波分复用系统性能的影响

Influence of Stimulated Raman Scattering on Multichannel Wavelength Division Multiplexed Systems

利用弱点评估提高入侵检测系统性能的分析与实现

Analysis and implement to improve performance of IDS by vulnerability assessment

仿真结果表明，该接收机能使系统性能得以较大提高。

Simulation results show that substantial performance gain can be obtained .

在系统性能对话框，点击高级选片。

In the System Properties dialog box , click the Advanced tab .