Sensors,
Journal Year:
2024,
Volume and Issue:
24(15), P. 4952 - 4952
Published: July 31, 2024
Wireless
sensing
is
a
crucial
technology
for
building
smart
cities,
playing
vital
role
in
applications
such
as
human
monitoring,
route
planning,
and
traffic
management.
Analyzing
the
data
provided
by
wireless
enables
formulation
of
more
scientific
decisions.
The
dynamic
events
significant
branch
sensing.
Sensing
specific
times
durations
challenging
problem
due
to
event
information
concealed
within
static
environments.
To
effectively
sense
relevant
occurrence,
we
propose
method
based
on
RSSI,
named
RSSI-WSDE.
RSSI-WSDE
utilizes
variable-length
sliding
windows
statistical
methods
process
original
RSSI
time
series,
amplifying
differences
between
Subsequently,
z-score
normalization
employed
enhance
comparability
effects
different
events.
Furthermore,
setting
adaptive
threshold,
occurrence
sensed
marked
series.
In
this
study,
performance
was
tested
indoor
corridors
outdoor
urban
road
events,
including
walking,
running,
cycling,
driving,
conducted.
experimental
results
demonstrate
that
can
accurately
marking
duration
with
millisecond-level
precision.
Moreover,
exhibits
robust
both
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
Wearable
thermoelectric
(TE)
materials
are
seen
as
excellent
candidates
for
flexible
electronics
because
of
their
unique
self-powered
properties,
multistimulus
sensing
and
human
waste
heat
conversion.
However,
currently
reported
TE
still
face
challenges
such
poor
durability,
uncomfortable
wearing
signals
crosstalking
each
other.
Herein,
this
study
describes
a
hot-air
cross-linking
method
the
preparation
multifunctional
fabrics
with
enhanced
durability.
Poly(ethylene
terephthalate)
(PET)
fibers
core
sheath
structures
having
different
melting
points
were
selected
substrates.
Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)
(PEDOT:PSS)
single-walled
carbon
nanotubes
(SWCNTs)
embedded
stably
on
surface
layer
in
presence
treatment.
The
fiber-welded
structure
created
by
thermal
improves
durability
fabrics,
including
consistent
mechanical
electrical
properties
after
6
h
wash
test
6000
compression
cycles.
fiber
ensures
breathability
(313.7
mm
s
ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Global
agricultural
productivity
is
affected
by
plant
stresses
every
year;
as
a
consequence,
monitoring
and
preventing
significant
measure
to
protect
the
agro-ecological
environment.
Similar
adoption
of
wearable
devices
appraise
human
physiological
information
disease
diagnosis,
however,
in
situ
nondestructive
complex
weak
plants
an
enormous
challenge
for
development
sensors.
Herein,
accurately
analyze
changes
tomato
internal
under
multiple
abiotic
real-time,
we
introduce
covalent
organic
framework
(COF)
film
synthesized
self-assembly
layer
through
oil/water
interface
sensitive
material
develop
multifilm-integrated
sensor
capable
leaf
surface
humidity
temperature.
The
flexible
substrate
can
stretch
with
growth
ensure
accuracy
long-term
monitoring.
Benefiting
from
performance
characteristics,
such
ultrahigh
sensitivity
(S)
0.8399
nA/%RH
extremely
low-resolution
(ΔRH)
value
0.0564%,
which
could
amplify
conducted
signal,
stability
COFMOP-TAPB,
transpiration
on
tomatoes
10
be
monitored
continuously
high
precision
over
long
period
applying
COF-based
lower
at
upper
end
stem
morphology.
Finally,
employ
metaheuristic
optimization
algorithms
predict
time
series
change
trend
future
so
that
farmers
take
corresponding
preventive
measures
healthy
tomatoes.
