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

Distance Corrections01:15

Distance Corrections

52
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
52
NMR Spectrometers: Resolution and Error Correction01:14

NMR Spectrometers: Resolution and Error Correction

734
When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
734

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

Case Report: Adult-onset Still's disease presenting with massive hemorrhagic pericardial effusion without the characteristic rash.

Frontiers in medicine·2026
Same author

Enhancing bullfrog farming sustainability: circular water management through effluent treatment.

PeerJ·2025
Same author

Systemic immune-inflammation index is associated with high risk for prostate cancer among the U.S. elderly: Evidence from NHANES 2001-2010.

Frontiers in oncology·2024
Same author

Nonlinear association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and hyperuricemia in cancer patients: evidence from NHANES 2007-2018.

Lipids in health and disease·2024
Same author

Association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and sarcopenia in individuals with cancer: a cross-sectional study.

Lipids in health and disease·2024
Same author

Exploiting data compression to improve reliability of phase-modulated holographic data storage.

Optics express·2023
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
查看所有相关文章

相关实验视频

Updated: Jul 25, 2025

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

9.9K

快速相位错误校正与参考束辅助的LDPC编码,用于对线全息数据存储.

Qin Yu, Fei Wu, Meng Zhang

    Optics express
    |June 29, 2023
    PubMed
    概括
    此摘要是机器生成的。

    参考束辅助的低密度平价检查 (LDPC) 编码提高了全息数据存储的可靠性. 这种方法通过利用已知的参考数据来提高解码速度和准确性,大大减少错误和处理时间.

    更多相关视频

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.9K
    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.9K

    相关实验视频

    Last Updated: Jul 25, 2025

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    9.9K
    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.9K
    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.9K

    科学领域:

    • 光学数据存储器是用来存储数据的.
    • 信息理论是信息理论.
    • 错误纠正编码的错误编码

    背景情况:

    • 低密度平价检查 (LDPC) 编码对于相调制全息存储中的数据可靠性至关重要.
    • 加速LDPC解码对于实际的全息数据存储应用是必不可少的.

    研究的目的:

    • 设计和评估一个参考束辅助的LDPC编码方法,用于4级阶段调制全息.
    • 提高全息数据存储系统中LDPC解码的效率和准确性.

    主要方法:

    • 开发了一个新的LDPC编码方案,利用参考束数据作为先前信息.
    • 在LDPC解码过程中增加了参考位的初始日志概率 (LLR) 重量.
    • 通过全面的模拟和实验测试与真实拍摄的图像验证了该方法.

    主要成果:

    • 与传统的LDPC代码相比,模拟显示比特错误率 (BER) 减少了38.8%,不可纠正的比特错误率 (UBER) 减少了24.9%.
    • 实现了对解码代时间的29.9%的减少和解码代次数的14.8%的减少.
    • 实验结果证实了相位错误率 (PER),BER,解码代和解码时间的显著减少.

    结论:

    • 参考束辅助的LDPC编码为增强全息数据存储性能提供了一种卓越的方法.
    • 拟议的方法有效地利用已知的参考数据来提高解码效率和数据完整性.
    • 这种技术为更快,更可靠的全息数据存储提供了实际解决方案.