Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Properties of Fourier Transform I01:21

Properties of Fourier Transform I

179
The application of Fourier Transform properties in radio broadcasting is multifaceted, enabling significant advancements in the way signals are transmitted and received. Key areas where these properties are utilized include simultaneous multi-channel transmission, audio clip speed adjustments, live broadcast delays for different time zones, audio frequency adjustments, and signal demodulation.
In radio broadcasting, multiple audio signals often need to be transmitted simultaneously. The Fourier...
179

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Radomizing an Antenna for a SAR-Based ETA Radar System While Ensuring Imaging Accuracy: A Focus on Phase Shifts.

Micromachines·2025
Same author

Profile of Liver Transplant Recipient in a Tertiary Hospital in Northern Spain.

Journal of clinical medicine·2023
Same author

Compact Wearable Antenna with Metasurface for Millimeter-Wave Radar Applications.

Materials (Basel, Switzerland)·2023
Same author

A Portable Electromagnetic System Based on mm-Wave Radars and GNSS-RTK Solutions for 3D Scanning of Large Material Piles.

Sensors (Basel, Switzerland)·2021
Same author

Paving the Way to Eco-Friendly IoT Antennas: Tencel-Based Ultra-Thin Compact Monopole and Its Applications to ZigBee.

Sensors (Basel, Switzerland)·2020
Same author

On the Broadening of Single-Layer Metasurface Bandwidth by Coupling Resonances.

Materials (Basel, Switzerland)·2020

相关实验视频

Updated: Jul 10, 2025

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.5K

改善了基于富里埃的微波成像方法.

Yuri Alvarez López1, Fernando Las-Heras Andrés1

  • 1Area of Signal Theory and Communications, Department of Electrical Engineering, Universidad de Oviedo, Edificio Polivalente, Mod. 8, Campus Universitario de Gijón, 33203 Gijón, Spain.

Sensors (Basel, Switzerland)
|November 25, 2023
PubMed
概括

这项研究通过结合天线场效应以提高精度来增强基于富里埃的微波成像. 修改后的算法表现出卓越的性能,特别是在亚样本成像场景中,超过现有的别名减轻技术.

科学领域:

  • 电磁学 电磁学 电磁学 电磁学
  • 微波成像技术 微波成像技术
  • 信号处理 信号处理

背景情况:

  • 基于富里埃和延迟和总和 (DAS) 算法在微波成像中很常见.
  • 这些方法通常使用电磁场的远场近似.
  • 现有的技术可能会面临精度和调节缓解的局限性.

研究的目的:

  • 为了提高基于富里埃的微波成像算法的准确性.
  • 为了考虑发射/接收 (Tx/Rx) 天线所辐射的电磁场.
  • 评估子样本成像中的性能,并与别名减轻方法进行比较.

主要方法:

  • 提出了一个修改后的基于富里埃的成像算法.
  • 该算法结合了Tx/Rx天线的辐射场.
  • 对成像目标进行定量和定性分析.
  • 在子样本场景中,性能与其他别名减缓技术进行比较.

主要成果:

  • 修改后的算法在微波成像中显示出更高的准确性.
  • 加入天线场对目标的成像产生了积极的影响.
  • 拟议的方法在部分样本成像场景中显示出竞争性或优异的性能.
关键词:
基于富里埃的成像技术测量天线的测量延迟和总和 (DAS) 的方法微波成像技术的微波成像平面波频谱 (PWS) 的使用.

更多相关视频

High-definition Fourier Transform Infrared FT-IR Spectroscopic Imaging of Human Tissue Sections towards Improving Pathology
11:05

High-definition Fourier Transform Infrared FT-IR Spectroscopic Imaging of Human Tissue Sections towards Improving Pathology

Published on: January 21, 2015

33.3K
Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.3K

相关实验视频

Last Updated: Jul 10, 2025

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.5K
High-definition Fourier Transform Infrared FT-IR Spectroscopic Imaging of Human Tissue Sections towards Improving Pathology
11:05

High-definition Fourier Transform Infrared FT-IR Spectroscopic Imaging of Human Tissue Sections towards Improving Pathology

Published on: January 21, 2015

33.3K
Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.3K

结论:

  • 整合天线场可以提高基于富里埃的微波成像精度.
  • 修改后的方法提供了一个有价值的替代品,用于缓解假名的缓解.
  • 这项工作推动了准确高效的微波成像领域的发展.