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Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

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Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short...
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为月球应用开发高灵敏度地震仪

Leandro A N de Paula1, Ronald S Norton1, Ho Jung Paik1

  • 1Department of Physics, University of Maryland, College Park, MD 20742, USA.

Sensors (Basel, Switzerland)
|August 26, 2023
PubMed
概括
此摘要是机器生成的。

科学家们为月球地震学开发了一种新的宽带地震计,比阿波罗时代的仪器提供了显著更高的灵敏度. 这一进步有助于了解月球的内部,并设计未来的太空任务.

关键词:
仪器仪表仪表仪器仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪表仪器仪表仪表仪表仪器仪表仪表仪器仪表仪表仪表仪表仪器仪表仪表仪表仪表仪表仪表仪器仪表仪表仪器仪表仪表仪表仪表仪器仪表仪器仪表仪表仪器月球地震学月球地震学星球 星球 星球地震计的地震计可以测量.空间空间空间空间空间的空间.

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科学领域:

  • * 星球科学 星球科学
  • * * 地质物理学
  • * 地震学 关于地震的研究

背景情况:

  • *月球地震学对于了解月球的内部结构,组成和热史至关重要.
  • *月球地震学的数据为人类定居点安全息地的设计提供了信息.
  • *阿波罗时代的地震计提供了基础数据,但在灵敏度和频率范围内有局限性.

研究的目的:

  • *为月球地震学开发一款最先进的三轴宽带地震仪.
  • * 为了达到0.001-1 Hz的低频范围.
  • * 为了达到比以前的仪器大一点的灵敏度.

主要方法:

  • * 一种新型三轴宽带地震计的详细设计和组装.
  • *对原型的性能进行严格的测试和分析.
  • * 对所有轴的加速噪声与商业地震计进行比较分析.

主要成果:

  • *成功开发了一种具有增强功能的宽带地震计原型.
  • * 在所有三个轴上都证明了加速噪声性能.
  • *通过增加试验质量和减少自然频率,确定了进一步提高性能的潜力.

结论:

  • *新的地震计技术显著提升了月球地震学能力.
  • *这些发现将提高对月球和其他天体内部结构的理解.
  • * 这项技术对于未来登陆海洋世界任务的设计至关重要.