2022 11th International Conference of Information and Communication Technology (ICTech)), Journal Year: 2024, Volume and Issue: unknown, P. 444 - 449
Published: April 12, 2024
Language: Английский
Sensors, Journal Year: 2025, Volume and Issue: 25(4), P. 1198 - 1198
Published: Feb. 15, 2025
When detecting respiratory rate and heart in an FMCW radar room, there is a lot of static clutter white Gaussian noise generated by hardware heat loss the environment, which makes separation heartbeat signals poor. At same time, harmonic component signal frequency domain will affect estimation rate. To solve above problems, spatial blind source method was proposed to accurately estimate Firstly, weighted principal analysis (WPCA) algorithm used extract features target from IF signal, then reconstructed according different features. Then, multi-signal classification (MUSIC) convert respiration into zero avoid influence respective components on detection results. The experimental results showed that accuracy 94.51% 97.79%, respectively. Compared with traditional algorithm, stable has higher accuracy.
Language: Английский
Citations
0
Measurement, Journal Year: 2025, Volume and Issue: unknown, P. 117707 - 117707
Published: May 1, 2025
Language: Английский
Citations
0
Measurement, Journal Year: 2024, Volume and Issue: 242, P. 116144 - 116144
Published: Nov. 8, 2024
Language: Английский
Citations
2
Sensors, Journal Year: 2024, Volume and Issue: 24(23), P. 7654 - 7654
Published: Nov. 29, 2024
In recent years, with the increased interest in smart home technology and need to remotely monitor patients due pandemic, demand for contactless systems vital sign measurements has also been on rise. One of these kinds are Doppler radar systems. Their design is composed several choices that could possibly have a significant impact their overall performance, more specifically those focused measurement cardiac activity. This review, conducted using works obtained from relevant scientific databases, aims understand performance measuring either heart rate (HR) or variability (HRV). To end, an analysis based hardware architecture, carrier frequency, distance was focusing both aforementioned parameters, signal processing trends were discussed. What found system architecture algorithms had most FMCW being best performing whereas factors like frequency did not impact.This means newer can focus cheaper, lower-frequency without any degradation, which will make research easier.
Language: Английский
Citations
2
IEEE Sensors Letters, Journal Year: 2024, Volume and Issue: 8(7), P. 1 - 4
Published: July 1, 2024
Language: Английский
Citations
1
IEEE Transactions on Microwave Theory and Techniques, Journal Year: 2024, Volume and Issue: 73(2), P. 1235 - 1247
Published: July 26, 2024
Language: Английский
Citations
1
IEEE Sensors Journal, Journal Year: 2023, Volume and Issue: 23(23), P. 29571 - 29584
Published: Oct. 18, 2023
Assessment
of
cerebral
blood
flow
(CBF)
is
essential
for
the
prevention
and
management
strokes.
In
this
study,
electromagnetic
coupling
sensor
with
a
dual-layer
planar
spiral
structure
was
designed
to
enhance
electrical
reduce
detection
frequency.
Based
on
sensor,
wearable
device
dynamic
monitoring
CBF
established,
which
reflected
changes
in
brain
conductivity
permittivity
by
measured
resonant
frequency
(RF).
The
brine
concentration
volume
sensitivity
were
evaluated
basic
performance
test
experiments.
Its
depth
range
tested
model
simulated
vascular
pulsation.
We
further
studied
feasibility
obtain
different
responses
corresponding
various
internal
pressure
excitations.
addition,
we
recruited
24
healthy
volunteers
simultaneously
monitor
oxygen
(CO)
RF,
examined
pattern
RF
change
throughout
caffeine-induced
disturbance.
main
characteristics
signal
after
taking
caffeine,
effectiveness
distinguish
between
normal
abnormal
states
analyzed.
results
show
that
has
significant
linear
relationship
volume,
sensitivities
0.0751
kHz/(g/ml)
Language: Английский
Citations
3
Remote Sensing, Journal Year: 2024, Volume and Issue: 16(4), P. 620 - 620
Published: Feb. 7, 2024
Ultra-wideband (UWB) vital detection radar plays an important role in post-disaster search and rescue, but the signal acquired practice is often submerged noise. In this paper, advanced processing algorithm based on low-rank block-sparse representation proposed to enhance life applications. The preprocessed echo can be decomposed into parts. alternate direction method (ADM) employed obtain part containing desired signal. We solve subproblems involved ADM using Douglas/Peaceman–Rachford (DR) monotone operator splitting method. projection applied accelerate calculation. Simulation experimental results show that outperforms existing methods terms of output signal-to-noise ratio (SNR).
Language: Английский
Citations
0
2022 Photonics & Electromagnetics Research Symposium (PIERS), Journal Year: 2024, Volume and Issue: unknown, P. 1 - 10
Published: April 21, 2024
Language: Английский
Citations
0
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, Journal Year: 2024, Volume and Issue: unknown, P. 9513 - 9516
Published: July 7, 2024
Language: Английский
Citations
0