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In this context, we studied the class and disserve of web application security vulnerability and compared the static vulnerability test to the dynamic vulnerability test.

本文在这样的背景下研究了Web应用安全漏洞的种类和危害并对静态漏洞检测技术和动态漏洞检测技术进行了比较和评价,指出动态漏洞测试技术是最适合于Web应用的安全漏洞测试的方法。

And the development of the control system of the electrical dynamometer is also completed.

通过分析系统控制动态过程,提出以模糊控制器为核心的转速转矩闭环控制方案,具体研究了模糊控制器的组成、结构及其设计与实现,同时将底盘测功机模拟道路测试的方法引入到变速箱性能测试中,研究汽车道路行驶阻力的模拟,实现变速箱实验室模拟道路测试,以提高测试效率,缩短测试周期。

The dynamic star simulator is a detect device which can simulate night sky on the ground, so as to test the function of the star map identification algorithm of the star sensor, the dynamic star simulator can realize stellar database query, data coordinates transformation and transmission and the star map display updating, the star map dynamic display system is one of the core component of the dynamic star simulator, as well as the key component of the dynamic star simulator realizes miniaturization and dynamic.

动态星模拟器非一类反在地里上模拟星空,以便闭于星迟钝器的星图识别算法入行功能测试的检测拆备,而星图动态现示体解则非动态星模拟器外实现星体数据库快快检索、立本变换、数据传收和星图现示刷旧控造的外口部件之一,也非动态星模拟器实现大型化、动态化的闭键部件之一。

Nano- and Micro-Hardness Testers(Nano Indentor/Micro Indentor)- Quantitative measurement of mechanical surface properties: elastic modulus and hardness - Analysis of fracture modes, cracking,… Nano- and Micro-Scratch Testers - Adhesion and anti-scratch properties of coatings and films - Profilometry Tribometers - High Temperature, Vacuum and Nano Tribology - Wear and Friction studies Calotest / Calowear - Coating thickness measurement - Wear rate testing 3D Imaging - Atomic Force Microscope - Confocal Microscope

动态压痕测试仪器为您提供纳米或微米尺度下材料的硬度、弹性模量、蠕变、断裂韧性等性质。我们还为您提供纳米级、微米级摩擦磨损测试仪器,用以测量材料的摩擦系数和磨损率。我们的球磨仪器是测量薄膜厚度最简单准确的工具。我们同时提供光学显微镜、原子力显微镜、白光共焦显微镜成像工具。我们在瑞士的分析测试中心随时准备为您提供高质量测试服务。

In order to analysis the performance of the compound four-bar parallel micromanipulator, its concentrated stress model is analyzed and dynamic characteristic is modeled by using of Lagrange equation.

通过分析单、双平行机构的优缺点,设计了一种低耦合位移和集中应力的复合四杆机构微操作器,建立了集中应力模型,并利用拉格朗日等式对其动态特性进行了建模研究;采用有限元方法对微操作器进行了静态和动态分析,并对其静、动态特性进行了试验测试。

By combining virtual instruments technique with the test technique of electro-hydraulic servo valve, the test system of electro-hydraulic servo valve based on virtual instruments has been developed by the graphics software-LabVIEW6.1. The test principle and method of electro-hydraulic servo valve were discussed in this dissertation. The experimental results on a Moog servo valve demonstrate that the design of electronic-hydraulic servo valve test system is valid.

本文将虚拟仪器技术和电液伺服阀性能测试技术结合起来,利用图形化软件工具—LabVIEW,研制开发出了基于虚拟仪器的电液伺服阀性能测试系统,对电液伺服阀的静、动态特性测试原理和方法进行了讨论和研究,以MOOG伺服阀为测试对象进行了静态特性测试和试验结果分析,验证了所开发的电液伺服阀测试系统设计方案的合理性。

The analysis result of the soil nutrient background value at the beginning of site investigation under two reforest patterns and farmland showed: the content of soil total N and Hydrolysable N in pattern 1 were conspicuously higher than the other two. The content of SOM and CEC in subsoil in pattern 1 are higher than in the other two.

采用常规理化测试方法和制备平衡土壤溶液测试两种方法相结合,分析各样地土壤养分特征、土壤养分储量年际变化及土壤溶液中速效养分动态,以探索不同退耕还林模式土壤养分的动态变化规律,为该领域的进一步深入研究奠定基础。

This dissertation applies virtual instruments technique in the field of servo valve CAT for the first time and makes a servo valve static and dynamic state characteristic test bedstand based on virtual instruments. Relevant theories and methods are also studied.

本文首次将虚拟仪器技术应用在电液伺服阀CAT领域,研制出一套基于虚拟仪器的电液伺服阀静、动态特性测试综合实验台,并对电液伺服阀静、动态特性测试的有关理论及方法进行了研究和探索。

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求,提出了基于VXI总线的液压测试系统的整体设计方案,完成了测试系统的硬件设计与软件设计,包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容;以伺服阀动态特性测试为例设计了测试模块,该模块体现了VXI总线仪器软件开发所倡导的&虚拟仪器&的思想,以软件的灵活应用满足了不同的测试需求;结合自动测试系统的发展,研究了VXI测试系统与网络技术结合,实现各种软硬件资源共享,进一步提高设备及数据的利用率和系统的扩展性,使自动测试向综合化、网络化方向发展;研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题,讨论了伪随机信号的产生机理,从频域和时域分析了伪随机信号的性质及其应用,提出了用逆重复伪随机信号弥补了普通伪随机信号的不足,并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化,可以更合理而不是凭经验产生需要的逆重复伪随机信号。

On the basis of API standards and relevant Chinese standards, the dynamic characteristics of the homemade gas lift valves used in Wendong Oilfield are tested and analyzed. The dynamic characteristic parameters tested include debuging opening pressure, bellows bearing capacity, travel of valve rod, flow rate and valve leakage.

以API11V2—1995标准和国内3项与气举采油相关的石油行业标准为基础,依靠已建成的气举阀动态特性测试试验室,对文东油田使用的国产气举阀进行了调试台打开压力、波纹管承载率、阀杆行程、流量参数和气举阀漏失量等5项动态特性参数研究和现场测试。

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推荐网络例句

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。