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相关概念视频

Projectile Motion: Example01:18

Projectile Motion: Example

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The theory of projectile motion is very useful for players of several sports to improve their performance. For example, a javelin thrower needs to throw their javelin in such a way that it travels as far as possible. The javelin thrower takes a short run-up to increase the initial speed of the javelin. The range of a projectile is at its maximum at a 45° angle so javelin throwers try to angle their throw as close to 45° as possible.
When we speak of the range (R) of a projectile on...
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相关实验视频

Updated: Jan 7, 2026

Measuring Spatially- and Directionally-varying Light Scattering from Biological Material
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用光屏阵列传感器对多个弹的飞行参数进行识别方法.

Jing Li1, Jinping Ni1, Hui Tian2

  • 1School of Optoelectronic Engineering, Xi'an Technological University, Xi'an, Shaanxi, China.

Scientific reports
|December 27, 2025
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新型的七光屏阵列传感器 (七LSAS),用于准确测量多弹弹的飞行参数和轨迹线. 该方法显著提高了快速射击枪的准确性和检测能力.

关键词:
一线性是指对线性.散射测量 散射测量 分散测量照明屏幕阵列传感器阵列传感器线性方程 线性方程 线性方程

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相关实验视频

Last Updated: Jan 7, 2026

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科学领域:

  • 弹道学和弹子运动分析.
  • 传感器技术和数据采集.
  • 计算建模和算法开发.

背景情况:

  • 传统的分散测量方法在多桶快速射击枪 (MBRFGs) 中失败,原因是多个弹子交叉检测平面.
  • 精确测量弹子飞行参数对于性能评估和系统优化至关重要.

研究的目的:

  • 提出一种用于测量飞行参数和识别多个弹子轨迹线的新方法.
  • 通过使用集成的七光屏阵列传感器 (七LSAS) 增强多弹道探测能力.

主要方法:

  • 开发一个七光屏阵列传感器 (七LSAS),集成多个光屏模块.
  • 建立基于弹道原理的数学模型来计算飞行参数.
  • 应用一个全矩向量空间和一个对线性判断算法用于轨迹识别.

主要成果:

  • 准确识别和计算飞行参数 (撞击坐标,速度,角度) 的多个弹子.
  • 撞击坐标的测量误差不超过5mm.
  • 与现有方法相比,识别准确度提高了50%.

结论:

  • 拟议的七个LSAS方法有效地克服了MBRFG传统测试的局限性.
  • 开发的识别算法确保了准确的轨迹识别和参数计算.
  • 该方法在多弹弹分散测量准确性和可行性方面取得了重大进展.