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相关概念视频

Adjusting a Traverse01:12

Adjusting a Traverse

58
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
58
Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

80
Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
80
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

571
Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
571

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相关实验视频

Updated: Jul 1, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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基于光学的三轴角度测量方法.

Jinkai Wang, Yangyang Bai, Wenhe Zhao

    Applied optics
    |March 4, 2024
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    此摘要是机器生成的。

    这项研究引入了一种新的三轴角度测量技术,使用光学. 该方法实现了高准确度的斜率,曲率和滚角测量,证明对距离变化不敏感.

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    相关实验视频

    Last Updated: Jul 1, 2025

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 计量学和测量科学 计量学和测量科学

    背景情况:

    • 准确的三轴角度测量对于各种应用至关重要.
    • 现有的方法可能在准确性,复杂性或范围上有局限性.

    研究的目的:

    • 提出并验证使用光反射器的新型三轴角度测量方法.
    • 导出和验证角度计算的数学模型.
    • 评估拟议方法的测量精度和距离不敏感性.

    主要方法:

    • 导出一个数学模型来解决三轴角度.
    • 开发一个用于验证和纠正的光学模拟模型.
    • 使用原理原型进行实验验证.

    主要成果:

    • 转角 (α),转角 (β) 和转角 (γ) 的根平均平方 (RMS) 误差分别为6.27弧秒,4.35弧秒和17.68弧秒,在±2°范围内.
    • 测量准确度表明对测量距离变化的不敏感.

    结论:

    • 拟议的基于光的方法为三轴角度测量提供了可行和准确的解决方案.
    • 这种技术对于需要独立于距离的精确角测量的应用具有前景.