Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Interference: Path Lengths01:10

Interference: Path Lengths

1.8K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
1.8K
Phase-lead and Phase-lag Controllers01:22

Phase-lead and Phase-lag Controllers

515
Understanding the working function of different types of controllers can be illustrated with practical analogies, such as adjusting a stereo's volume equalizer. Cranking up the bass involves a phase-lead controller, which functions as a high-pass filter, while increasing the treble uses a phase-lag controller, which acts as a low-pass filter. PD controllers, similar to high-pass filters, enhance the system's response to high-frequency components. PI controllers, akin to low-pass...
515
Cascaded Op Amps01:16

Cascaded Op Amps

1.1K
Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
1.1K
Upsampling01:22

Upsampling

571
Managing signal sampling rates is essential in digital signal processing to maintain signal integrity. A decimated signal, characterized by a reduced frequency range due to its lower sampling rate, can be upsampled by inserting zeros between each sample. This upsampling process expands the original spectrum and introduces repeated spectral replicas at intervals dictated by the new Nyquist frequency. To refine this zero-inserted sequence, it is passed through a lowpass filter with a cutoff...
571
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

675
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
675
Parallel Resonance01:23

Parallel Resonance

505
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
505

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Optimization of Ultrasound-Assisted Deep Eutectic Solvent Extraction and Mechanism Evaluation of Saponins from <i>Panax japonicus</i>.

Molecules (Basel, Switzerland)·2026
Same author

Breaking the activity-selectivity trade-off in nitrogen-containing volatile organic compounds abatement via NiCu synergistic perovskite catalysts.

Journal of colloid and interface science·2026
Same author

Machine learning model based on spontaneous brain activity and functional connectivity for identifying patients with internet gaming disorder.

Journal of psychiatric research·2026
Same author

Towards a physics-informed network paradigm with data generation and background noise removal for different distributed acoustic sensing applications.

Light, science & applications·2026
Same author

Total synthesis, antibacterial activity, and mechanistic characterization of erycristagallin as a promising anti-MRSA lead.

European journal of medicinal chemistry·2026
Same author

3D-nanoprinted vertical coupler using hybrid lithography for optical redistribution applications.

Optics letters·2026

Related Experiment Video

Updated: Jan 11, 2026

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
11:54

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

9.8K

Simplified phase noise compensation architecture for distributed acoustic sensing enabled by receiver multiplexing.

Zhengyuan Xiao, Jiageng Chen, Jiazhen Ji

    Optics Express
    |November 11, 2025
    PubMed
    Summary

    A simplified phase noise compensation (PNC) scheme for distributed acoustic sensing (DAS) uses one receiver for simultaneous detection, achieving a 49 km range. This innovation enhances performance and simplifies coherent detection systems.

    More Related Videos

    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

    10.3K
    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

    10.3K

    Related Experiment Videos

    Last Updated: Jan 11, 2026

    Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
    11:54

    Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

    Published on: March 13, 2017

    9.8K
    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

    10.3K
    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

    10.3K

    Area of Science:

    • Optoelectronics
    • Fiber Optic Sensing
    • Signal Processing

    Background:

    • Phase noise compensation (PNC) in distributed acoustic sensing (DAS) with coherent detection improves performance but adds complexity and cost.
    • Existing PNC schemes require dedicated optical receivers for laser phase noise measurement, increasing system overhead.
    • Relaxing light source coherence requirements is crucial for practical and cost-effective DAS implementations.

    Purpose of the Study:

    • To present a simplified PNC-DAS scheme that reduces hardware complexity.
    • To enable simultaneous detection of Rayleigh scatterings and laser phase noise using a single coherent receiver.
    • To demonstrate high-performance PNC without additional auxiliary interferometers.

    Main Methods:

    • Development of a novel PNC algorithm integrated into a single coherent receiver.
    • Simultaneous measurement of backscattered Rayleigh signals and laser phase noise.
    • Experimental validation of the simplified PNC-DAS system.

    Main Results:

    • Achieved a 49 km sensing range using a laser with a 100 kHz linewidth.
    • Demonstrated a strain resolution of 78.2 pε/√Hz.
    • Obtained a spatial resolution of 3.7 m without auxiliary interferometers.

    Conclusions:

    • The simplified PNC-DAS scheme effectively compensates for phase noise while reducing system complexity.
    • This approach facilitates wider adoption of high-performance PNC in coherent detection DAS.
    • The findings broaden the applicability of lasers for communication and sensing in DAS.