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Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
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In the study of beam mechanics, shear diagrams play a crucial role in understanding the distribution of shear forces along the length of a beam. Consider a beam AB that is supported at both ends and subjected to perpendicular loads.
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Shearing Stress01:19

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Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
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The shearing strain represents a cubic element's angular change when subjected to shearing stress. This type of stress can transform a cube into an oblique parallelepiped without influencing normal strains. The cubic element experiences a significant transformation when exposed solely to shearing stress. Its shape alters from a perfect cube into a rhomboid, clearly demonstrating the effect of shearing strain. The degree of this strain is considered positive if it reduces the angle between the...
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自引用偏振增强斯矩阵成像使用循环剪切干扰测量.

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    此摘要是机器生成的。

    我们开发了一个紧的成像系统,可以实时测量空间分辨率的斯矩阵. 这种技术使得可用于各种应用的双晶材料的详细偏振依赖性表征成为可能.

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 材料科学 材料科学 材料科学
    • 生物医学成像技术 生物医学成像技术

    背景情况:

    • 斯矩阵对于表征双晶材料至关重要,但需要复杂的成像设置.
    • 目前的方法限制了极化敏感成像跨学科的适应性.

    研究的目的:

    • 提出一个紧的,自我引用的,适应性的偏振敏感成像系统.
    • 为了实现实时获取空间解析的斯矩阵.

    主要方法:

    • 使用循环剪切干扰仪 (CSI) 进行角度复杂化.
    • 对象和参考光束起源于同一个波面.
    • 采用了一个极化图像传感器在福里埃频率域.

    主要成果:

    • 成功测量了空间解析的斯矩阵元素.
    • 双断层样本的特征性异型特性 (美国空军目标,生物样本).
    • 使用斯矩阵分解验证了该技术.

    结论:

    • 拟议的系统为实时极化分析提供了一个实际的解决方案.
    • 证明了用于表征各种双断层材料的可行性.
    • 提高了多学科成像应用的适应性.