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相关概念视频

Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

656
The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
656

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A Protocol for Real-time 3D Single Particle Tracking
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在使用多个频率线的角度频率测量下对目标的三维跟踪.

Jonghoek Kim1

  • 1System Engineering Department, Sejong University, Seoul 05006, Republic of Korea.

Sensors (Basel, Switzerland)
|July 8, 2023
PubMed
概括

这项研究引入了一种新的方法,用于使用声音频率跟踪水下目标. 该方法减少了计算负载,并通过平均频率数据来提高准确性,增强了水下目标运动分析.

科学领域:

  • 水下声学 水下声学
  • 信号处理 信号处理
  • 目标运动分析.

背景情况:

  • 水下目标追踪对于导航和防御至关重要.
  • 传统的方法在与目标间歇性信号损失作斗争.
  • 估计目标位置和速度需要精确的声学数据.

研究的目的:

  • 开发一种新的3D角度频率目标运动分析 (AFTMA) 方法.
  • 为了应对从目标消失和出现的频率线所带来的挑战.
  • 提高水下目标追踪的效率和准确性.

主要方法:

  • 为3D跟踪提出一个角度频率目标运动分析 (AFTMA) 过器.
  • 估计平均发射频率作为波器状态向量.
  • 使用阿齐穆特,海拔和平均频率线的测量.

主要成果:

  • 平均频率测量可以减少噪音和计算负载.
  • 与单个频率跟踪相比,拟议的方法可以减少根平均平方误差 (RMSE).
  • 通过 MATLAB 模拟成功展示了 3D AFTMA 波器的性能.

结论:

关键词:
在 3D AFTMA 中.角度频率目标运动分析多频线路是多个频率线路.在水下追踪目标.

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  • 新的3D AFTMA方法为水下目标跟踪提供了更强大的解决方案.
  • 估计平均频率提供了一个计算效率高,准确的跟踪替代方案.
  • 这种方法独特地使所有船只可以使用来自水下目标的多个频率线进行追踪.