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

Rectangular and Triangular Pulse Function01:19

Rectangular and Triangular Pulse Function

677
The unit rectangular pulse function is mathematically represented by a rectangular function centered at the origin with a height of one unit. This function is defined by two parameters: T, which specifies the center location of the pulse along the time axis, and τ, which determines the pulse duration.
For example, consider a rectangular pulse with a 5V amplitude, a 3-second duration, and centered at t=2 seconds. This pulse can be expressed using the rectangular function, written as,
677
Special considerations while measuring pulse01:13

Special considerations while measuring pulse

578
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
578
Pulse01:16

Pulse

509
When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
509
Effective Value of a Periodic Waveform01:07

Effective Value of a Periodic Waveform

534
The concept of effective value, the root mean square (RMS) value, is crucial in understanding electrical circuits and power delivery. This idea emerges from the necessity to measure the effectiveness of a voltage or current source in supplying power to a resistive load.
The effective value of a periodic current represents the direct current (DC) that conveys the same average power to a resistor as the periodic current itself. This concept is crucial when assessing AC circuits. To determine the...
534
NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

798
A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.
798
Bewley Lattice Diagram01:12

Bewley Lattice Diagram

634
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
634

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

Honeysuckle-Derived Exosome-Like Nanovesicles Alleviate Cisplatin-Induced Acute Kidney Injury by Anti-Inflammation and Mitochondrial Function Protection.

Chinese journal of integrative medicine·2025
Same author

A Risk Warning Model for Anemia Based on Facial Visible Light Reflectance Spectroscopy: Cross-Sectional Study.

JMIR medical informatics·2025
Same author

Aβ<sub>1-42</sub> promotes microglial activation and apoptosis in the progression of AD by binding to TLR4.

Redox biology·2024
Same author

[Retracted] STK39, overexpressed in osteosarcoma, regulates osteosarcoma cell invasion and proliferation.

Oncology letters·2024
Same author

Study on the difference and regularity of tongue images in 309 patients with different pathological stages of non-small cell lung cancer.

Technology and health care : official journal of the European Society for Engineering and Medicine·2023
Same author

Distribution characteristics of oral microbiota and its relationship with intestinal microbiota in patients with type 2 diabetes mellitus.

Frontiers in endocrinology·2023
Same journal

Saffron and Pregnancy: Cultural Practices, Beliefs, and Safety Evidence: An Integrative Review.

Journal of evidence-based integrative medicine·2026
Same journal

Effectiveness of Non-Pharmacological Interventions for Hormone Therapy-Induced Hand Arthralgia in Breast Cancer Patients: A Systematic Review.

Journal of evidence-based integrative medicine·2026
Same journal

Impact of Syndrome Differentiation on Treatment Effects and side Effects of Chinese Herbal Medicine in Randomized Controlled Trials: A Meta-Epidemiological Study.

Journal of evidence-based integrative medicine·2026
Same journal

In Vitro Anti-Cancer Effects of <i>Artemisia sieberi</i> on Human Breast Cancer Cells: A Systematic Review.

Journal of evidence-based integrative medicine·2026
Same journal

Alleviating Job-Related Burnout in Medical Professionals through Guided Imagery Hypnotherapy.

Journal of evidence-based integrative medicine·2026
Same journal

Neural and Behavioral Effects of Harp Music: Frontal Alpha Suppression and Reaction Times in Relation to Depression-Related Traits.

Journal of evidence-based integrative medicine·2026
查看所有相关文章

相关实验视频

Updated: Jun 29, 2025

Ultrasound-based Pulse Wave Velocity Evaluation in Mice
08:07

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Published on: February 14, 2017

13.6K

使用阵列脉冲图对脉冲宽度的客观评估

Zi-Juan Bi1,2, Ji Cui1, Xing-Hua Yao1

  • 1School of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.

Journal of evidence-based integrative medicine
|March 28, 2024
PubMed
概括
此摘要是机器生成的。

这项研究开发了一种客观的方法来使用阵列脉冲图测量脉冲宽度,将其与传统中医诊断相关联. 这种新方法准确地反映了脉冲宽度,在高血压患者中显示了更高的值.

关键词:
阵列脉冲图表 阵列脉冲图表血压 血压 血压 血压主波 (h1) 的振幅是主波 (h1) 的振幅.脉冲形状 脉冲形状 脉冲形状脉冲的宽度 脉冲的宽度进行脉冲测试.传统的中国医药传统的中国医药.

更多相关视频

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
00:07

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.5K
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

11.5K

相关实验视频

Last Updated: Jun 29, 2025

Ultrasound-based Pulse Wave Velocity Evaluation in Mice
08:07

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Published on: February 14, 2017

13.6K
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
00:07

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

8.5K
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

11.5K

科学领域:

  • 生物医学工程 生物医学工程
  • 传统中国医药 传统中国医药
  • 医学诊断 医学诊断 医学诊断

背景情况:

  • 脉冲宽度是中国传统医学 (TCM) 的关键诊断指标,反映了气和血液的不平衡.
  • 目前用于脉冲宽度评估的方法缺乏客观性,阻碍了精确的诊断和预后.
  • 这项研究旨在开发一个客观的脉冲宽度测量技术,使用阵列脉冲图.

研究的目的:

  • 设计一个客观的方法来测量脉冲宽度使用阵列脉冲图.
  • 为了验证拟议的客观脉冲宽度测量方法的准确性和可靠性.

主要方法:

  • 使用阵列传感器收集脉冲波数据,专注于cunkou的guan位置的h1振幅.
  • 采用生物和线插曲算法,从651个数据点生成h1幅度的热图.
  • 从热图计算脉冲宽度,并根据TCM从业人员的评估和放射性动脉彩色多普勒超声波验证测量.

主要成果:

  • 客观脉冲宽度测量显示,与通过彩色多普勒超声波测定的辐射动脉宽度有很强的相关性.
  • 在高血压组中观察到更高的h1幅度和脉冲宽度增加.
  • 脉冲宽度的最大h1振幅方法被证明可以与超声波测量相比较.

结论:

  • 最大h1振幅方法为脉冲宽度测量提供了一个客观而准确的方法.
  • 这种客观方法的可靠性得到了证实,因为它能够区分正常和高血压组.
  • 这种技术为TCM的客观诊断提供了一个有前途的工具.