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20040922
- 通过三维有限元计算来研究含圆孔有限厚度板的圆孔边缘应力场,找出了应力集中系数与板的厚度、 圆孔半径之间的关系,同时还分析了圆孔边缘的三维应力约束程度和三维应力约束区域的大小. 研究结果表 明:离面应力约束系数在板的中面最大,而在表面为0 ,三维应力约束影响区域的长度约为板厚的一半 应力 集中系数沿厚度的分布是不均匀的,其最大值及位置与厚度有关 有限厚度板中面的应力集中系数及其最大 值均大于平面应力或平面应变的应力集中系数 对含圆孔任意厚度板的应力集中问题,按平面应力或平面应
SCENE2BASED
- 关于红外焦平面非均匀校正技术中的补偿固定噪声的时间漂移的算法问题-On the nonuniformity correction of infrared focal plane technology in the fixed noise compensation algorithm for the time drift problem
project
- This paper presents a steganography method based on an embedded zerotree wavelet compression scheme and bitplane complexity segmentation steganography.The proposed steganography enables us to use lossy compressed images as dummy files in bit-plan
QRCode_Standard
- 二维码 （2-dimensional bar code） 是用某种特定的几何图形按一定规律在平面（二维方向上）分布的黑白相间的图形记录数据符号信息的；在代码编制上巧妙地利用构成计算机内部逻辑基础的“0”、“1”比特流的概念，使用若干个与二进制相对应的几何形体来表示文字数值信息，通过图象输入设备或光电扫描设备自动识读以实现信息自动处理： 二维条码/二维码能够在横向和纵向两个方位同时表达信息，因此能在很小的面积内表达大量的信息。-Two-dimensional code (2-dimensional
2011-China-large-plane-project
- 2011年中国大飞机行业评估，对目前中国大飞机的发展前景做出科学的评估与预测-2011 China large plane project industry market reports
Feasibility-of-GPS-measurements
- GPS测量在实际生产中已经得到广泛的应用,它也成为一个真正的三维测量工具,它的平面精度是勿容置疑的,但是测高精度仍然没有得到普遍认可。本文讨论了影响GPS测高的几种因素,并以高精度的实时动态差分技术GPSRTK为例论述了GPS测高的可行性及达到的精度指标。-GPS measurements have been widely used in the actual production, it has also become a real three-dimensional measurement
159Spectral_Digital_Signal_Image_Processing
- An immediate observation for those who deal with the processing of signals is the omnipresence of the concepts of frequency, which are called “spectra” here. This presence is important in the fields of theoretical research as well as in most appl
wave-equation
- 波动方程的简谐平面波解，在建立了波动方程之后，我们来讨论其解的形式及其特性-Simple harmonic plane wave solutions of wave equation, wave equation, we discuss its solution in the form of its characteristics
Optimal stochastic reactive power scheduling in a microgrid considering voltage droop scheme of DGs and uncertainty of w
- Distributed Generators (DGs) in a microgrid may operate in three different reactive power control strategies, including PV, PQ and voltage droop schemes. This paper proposes a new stochastic programming approach for reactive power scheduling of a mic
ZH9302
- ZH9302红外热像组件是成都中昊英孚科技有限公司研制生产的非制冷焦平面红外热像机芯组件。它采用无TEC的工作方式实现低功耗、高灵敏度、高可靠性的性能。紧凑设计使其完全适合OEM组装和系统集成。ZH9302具有多种配置，可选装多款镜头，可以满足绝大部分应用需求，尤其适合需要轻便、小型、低功耗、低成本热成像机芯的应用场合。-ZH9302 infrared thermal imaging component is EF Chengdu Hao Technology Co., Ltd. develop
1-s2.0-S0022460X1400621X-main
- Dynamic characteristics of the herringbon e plane tary gear set during the variable speed proce-Dynamic characteristics of the herringbon e plane tary gear set during the variable speed process
plane
- 军用无人机方面的文章，对军事感兴趣的同学可以下载来-Military UAVs articles for students interested in the military can be downloaded to look
Algorithmic-Evaluation-of-Line-Detection-Problem.
- The Hough transform is a well-established scheme for detecting digital line components in a binary edge image. A key to its success in practice is the notion of voting on an accumulator array in the parameter plane. This paper discusses computati