Impact of GPS signal loss and its mitigation in power system synchronized measurement devices
With the aid of global positioning system (GPS), synchronized measurement devices (SMDs)
are increasingly deployed across power systems to monitor the status of electric grids by …
are increasingly deployed across power systems to monitor the status of electric grids by …
ENF based digital multimedia forensics: Survey, application, challenges and future work
The electric network frequency (ENF) represents the transmission frequency of the electrical
grid and fluctuates constantly around 50 Hz or 60 Hz, subject to the region. This constant …
grid and fluctuates constantly around 50 Hz or 60 Hz, subject to the region. This constant …
Source location identification of distribution-level electric network frequency signals at multiple geographic scales
The distribution-level electric network frequency (ENF) extracted from an electric power
signal is a promising forensic tool for multimedia recording authentication. Local …
signal is a promising forensic tool for multimedia recording authentication. Local …
GPS signal loss in the wide area monitoring system: Prevalence, impact, and solution
The phasor measurement unit (PMUs), equipped with Global Positioning System (GPS)
receivers for precise time synchronization, provides measurements of voltage and current …
receivers for precise time synchronization, provides measurements of voltage and current …
Pioneer design of non-contact synchronized measurement devices using electric and magnetic field sensors
Traditional synchrophasors rely on current transformers and potential transformers
physically connected to transmission lines or buses to acquire input signals for phasor …
physically connected to transmission lines or buses to acquire input signals for phasor …
Tampering detection and location identification of digital audio recordings
Abstract Systems and methods for detecting a tampering and identifying a location of a
digital recording are provided. A frequency sequence and a phase angle sequence may be …
digital recording are provided. A frequency sequence and a phase angle sequence may be …
Impact of measurement errors on synchrophasor applications
Data from phasor measurement units (PMUs) inform powerful diagnostic tools that can help
avert catastrophic failures in the power grid. Because of this, understanding PMU …
avert catastrophic failures in the power grid. Because of this, understanding PMU …
Extraction and Filtering of Electric Network Frequency Using Improved Matrix Pencil and Quadratic Box Plot-Empirical Wavelet Transform
X Huang, A Mingotti, Q Tang, K Yang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The extraction and filtering of electric network frequency (ENF) is significant for verifying the
authenticity of digital audio. However, there are many challenges in accurately extracting …
authenticity of digital audio. However, there are many challenges in accurately extracting …
[PDF][PDF] Power signature for multimedia forensics
There has been an increasing amount of work surrounding the Electric Network Frequency
(ENF) signal, an environmental signature captured by audio and video recordings made in …
(ENF) signal, an environmental signature captured by audio and video recordings made in …
Synchronized wireless measurement of high-voltage power system frequency using mobile embedded systems
This paper focuses on synchronized wireless measurement of high-voltage (HV) power
system frequency using mobile embedded systems (MESs) integrated with a wireless …
system frequency using mobile embedded systems (MESs) integrated with a wireless …