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

Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

399
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
399
Propagation Speed of Electromagnetic Waves01:30

Propagation Speed of Electromagnetic Waves

3.4K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.4K
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

177
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
177
Generating Electromagnetic Radiations01:10

Generating Electromagnetic Radiations

3.1K
The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
3.1K
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

965
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
965
Electromagnetic Waves01:30

Electromagnetic Waves

8.8K
James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
8.8K

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

Acute retinal necrosis: Report 1-Epidemiology, clinical profile, and misdiagnosis from the largest Indian case series.

Indian journal of ophthalmology·2026
Same author

Report 2: Macular edema after acute retinal necrosis-A difficult crossroad in management.

Indian journal of ophthalmology·2026
Same author

Overexpression of BpWOX4 enhances salt stress tolerance in Betula platyphylla.

Plant science : an international journal of experimental plant biology·2026
Same author

Genotypic Diversity and Genome-Wide Association Study of Protein Content and Amino Acid Profile in Diverse Potato Accessions.

Foods (Basel, Switzerland)·2025
Same author

IoT-Driven Skin Cancer Detection: Active Learning and Hyperparameter Optimization for Enhanced Accuracy.

IEEE journal of biomedical and health informatics·2025
Same author

Comparison of Deep Learning and Clinician Performance for Detecting Referable Glaucoma from Fundus Photographs in a Safety Net Population.

Ophthalmology science·2025

相关实验视频

Updated: Jul 26, 2025

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.1K

在VANET中使用编码技术进行毫米波频道建模.

Arshee Ahmed1, Haroon Rasheed1, Ali Kashif Bashir2,3

  • 1Department of Electrical Engineering, Bahria University, Karachi, Sindh, Pakistan.

PeerJ. Computer science
|June 22, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了使用毫米波和先进的编码技术实现超可靠车辆通信的新模型. 拟议的系统显著提高了现有方法的性能,支持自动驾驶汽车和高交通量.

关键词:
梁成型 梁成型 梁成型比特错误率比特错误率是多少编码 编码 编码 编码多普勒效应是什么意思在这个过程中,每一个人每一个人每一个人.子所罗门所罗门的子时空块代码是一个时空块代码.通过量 吞吐量 吞吐量超级可靠性 超级可靠性无线通信是一种无线通信.

更多相关视频

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
10:00

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

21.1K
Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

8.1K

相关实验视频

Last Updated: Jul 26, 2025

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.1K
Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
10:00

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

21.1K
Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

8.1K

科学领域:

  • 无线通信无线通信
  • 车辆网络 车辆网络
  • 毫米波技术的技术.

背景情况:

  • 车辆特设网络 (VANET) 要求车辆对车辆 (V2V) 和车辆对基础设施 (V2I) 通信的超高可靠性.
  • 色和车辆移动性对在VANET中无错数据传输构成重大挑战.
  • 现有的模型缺乏针对使用毫米波频率的超可靠VANET的全面,可操作的解决方案.

研究的目的:

  • 为在毫米波上运行的VANET开发一个全面和可操作的模型.
  • 增强对自动驾驶汽车系统至关重要的超可靠通信.
  • 为设计和分析60 GHz的VANET提供一个框架.

主要方法:

  • 一个新的模型,将时空块编码 (STBC) 与Reed Solomon (RS) 为VANETs编码相结合.
  • 比特错误率 (BER) 表达式的导出和里德·所罗门编码的多普勒表达式.
  • 使用数据包错误率 (PER),数据包接收率 (PRR) 和吞吐量指标进行性能评估.

主要成果:

  • 与IEEE 802.11bd.bd.相比,拟的模型表现出优越的性能.
  • 结果与第三代伙伴关系项目"车辆到一切" (3GPP V2X) 新无线电 (NR) 相似.
  • 该系统在各种调制和编码方案中超越现有的BER结果,通过模拟和数值发现进行验证.

结论:

  • 开发的模型为VANET在毫米波中提供了超可靠的通信解决方案.
  • 它有效地解决了色和高车速所带来的挑战.
  • 由此产生的表达式和模型为构建下一代车辆网络提供了准确有效的工具.