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ORACLE0088
- ORACLE性能调整,内容包括: 跟踪与分析 索引、蔟与全表扫描 使用优化器调整性能 -Oracle Performance Tuning, including : tracking and analysis of the index, Cocooning table with the use of scanning devices adjusted performance optimization, etc.
B5B8E35Bd01
- Web access path prediction using knowledge discovered from web logs has become an active research area. Web logs provide updated information about the user’s access record to a web site, which contains useful patterns waiting to be discovered and use
navgation
- 建立卫星导航系统效能评估指标体系,在原有模糊综合评判法的基础上,引入定量指标的实际测量值。-The establishment of satellite navigation system performance evaluation index system, in the original fuzzy comprehensive evaluation method, based on the introduction of quantitative indicators of the act
181336261208
- 可变增益放大器是模拟单元电路之一,起着变化增益、调整信号动态范围、稳定信号功率的作用。文章综述了CMOS集成可变增益放大器的研究情况 给出了可变增益放大器的定义、应用、分类和主要指标,描述了多种开环和闭环放大器的结构,分析了相应的增益控制方法及其优缺点 说明了在CMOS工艺下实现放大器增益按指数变化的几种途径。最后,介绍了用于无线数字通信,具有宽带、高线性、低电源电压等高性能可变增益放大器的设计实例。-Variable gain amplifier circuit of the analog u
2
- 失真补偿量化索引调制水印的性能分析-Quantization index modulation watermarking distortion compensation performance analysis ~~~~~~~~~~
index
- 创建索引可以大大提高系统的性能,但是也有缺点,本文详解。-Creating an index can greatly improve the performance of the system, but there are drawbacks, Xiang Jie.
2
- 效能评估是武器系统考核的最终目的,这是近年来过年关于导弹效能评估的代表性论文,-To adapt to the changes of battlefield environment and the uncertainty of weapon system itself, we proposed an improved ADC effectiveness evaluation model. ADC model is expressed in interval form that makes the
A-crop-phenology-detection-method-using-time-seri
- Information of crop phenology is essential for evaluating crop productivity and crop management. Therefore we developed a new method for remotely determining phenological stages of paddy rice. The method consists of three procedures: (i) prescr ipt
Valve-cam-design
- The valve train is one of the most important mechanisms in a internal combustion engine, whether the performances are good or bad, that affecting the power performance, economic performance, emissions performance of the engine, as well as affecting t
CONTROLLER-PARAMETERS-TUNING-USING-GENETIC-ALGORI
- The paper deals with a controller design for the nonlinear processes using genetic algorithm and neural model. The aim was to improve the control performance using genetic algorithm for optimal PID controller tuning. The plant model has been id
Z_juzhen
- :针对传统矩阵变换器存在电压传输比低和输出性能易 受非正常输入影响的两个固有缺陷,提出一种Z–源双级矩 阵变换器(Z-source two-stage matrix converter,ZSTSMC)及 其调制方法。利用Z–源网络的升压特性以提高电压传输比, 通过Z–源网络电容电压闭环对直通因子进行自适应地调 节,从而有效抑制非正常输入对输出性能的影响。闭环控制 中采用一种非线性PID 算法,削弱了Z–源网络表现出的非 最小相位特性带来的不良影响,提高了系统动态性能和
bing_v73
- 使用拉亚普诺夫指数的公式,本程序的性能已经超过其他算法,MinkowskiMethod算法 。- Raya Punuo Fu index using the formula, This program has exceeded the performance of other algorithms, MinkowskiMethod algorithm.