1) digital specklegram processing technology
数字散斑处理技术
1.
By means of digital specklegram processing technology, the deformation characteristic and change of stretching deformation with the time for asphalt beam under the stretching status were researched, as a result, the strain and the strain rate of asphalt in low temperature were calculated.
通过数字散斑处理技术,采用三分点加荷的力学模式,详细研究了沥青小梁在纯拉伸状态下的变形及其随时间的变化情况,以此得到了低温条件下沥青材料的拉伸应变和应变速率;通过剪切状态下的剪变率验证了所测拉伸应变速率的准确性。
2) digital speckle correlation technique
数字散斑相关技术
1.
The residual deformation around the hole was measured by digital speckle correlation technique and the relation curves of residual strain at the side of hole vs fatigue life cycles were obtained.
再应用数字散斑相关技术测量了不同疲劳循环次数后孔周的残余变形场,并给出了孔边最大残余应变与疲劳循环次数的关系曲线。
2.
Moire interferometry was applied to measure residual stress distribution;3D topography of the transition part of an airplane engine combustion chamber was detected by grating projected and data combination method;the correlation of residual strain at the side of the hole and fatigue life cycle was researched by digital speckle correlation technique.
发展了测量残余应变的数字散斑相关技术,并研究了残余应变与疲劳循环次数的相关性,为剩余寿命估计提供了依据。
3.
Relationship between the elastic-plastic deformation at the notch root of heat resisting alloy specimen under 450℃ and the fatigue cycle was studied based on digital speckle correlation technique.
应用数字散斑相关技术研究了耐热合金试件在450°环境中缺口根部的弹塑性变形及其与疲劳循环次数的相关性。
3) digital speckle correlation method
数字散斑相关技术
1.
Displacements in the samples were extracted using the digital speckle correlation method (DSCM) during the deformations.
为了对U_3Si_2-Al弥散型复合燃料板破坏的微观机理与演化过程进行深入分析,为其在实际服役失效过程提供一定的参考,采用带加载台的扫描电镜实时观测U_3Si_2-Al弥散型燃料板拉伸与弯曲的变形过程,通过数字散斑相关技术,将不同变形阶段的扫描电镜照片进行相关分析,得到燃料板的位移场分布,进而分析其变形演化过程与微观破坏机理。
2.
by the digital speckle correlation method.
该文以白桦为研究对象 ,利用数字散斑相关技术对白桦LT型裂纹的演化与增长的力学行为进行了实验研究 。
3.
Aiming at the motion image sequence of micro-structures collected by stroboscopic imaging technology,this paper discussed the application of digital speckle correlation method for measuring the in-plane motion of micro-structures.
为此,针对频闪成像技术获得的微结构运动图像序列,对数字散斑相关技术应用于微结构平面运动特性测试的实现方法进行了探讨,采用梯度法实现全局刚性位移的精确测量,并作为牛顿迭代法的初值进行区域变形量的提取,具有较高的计算效率。
4) digital speckle pattern interferometry(DSPI)
数字散斑干涉技术(DSPI)
5) digital speckle metrology technique
数字散斑测量技术
6) digital processing technology
数字处理技术
1.
Application of digital processing technology in electronic reconnaissance;
数字处理技术在电子侦察中的应用
补充资料:核医学数字图像处理
核医学数字图像处理
核医学术语。为了提高图像质量,对图像或功能性曲线进行的数学计算。数字图像处理的内容主要包括:场不均匀度校正、数字图像平滑处理、快速傅立叶变换与数字滤波、多幅图像之间的算术运算、相关计算、体层图像重建、兴趣区设置、动态曲线形成、曲线拟合和核医学参数的定量计算等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条