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第43卷
第6期真空科学与技术学报
2023
年
6
月CHINESE
JOURNAL
OF
VACUUM
SCIENCE
AND
TECHNOLOGY537
S波段矩形波导TE-圆波导TM模式转换器的研究
1001
*
雷乐周振宇翁明林舒曹猛
(西安交通大学电子与信息学部
西安
710049)
S-bandRectangularWaveguideTE10-CircularWaveguideTM01ModeConverter
*
LEI
Le,ZHOU
Zhenyu,WENG
Ming,LIN
Shu,CAO
Meng
(FacultyofElectronicandInformationEngineering,Xi’anJiaotongUniversity,Xi’an710049,China)
AbstractIn
order
to
meet
the
demand
for
calibration
of
circular
waveguide
couplers
for
S-band
high-power
microwave
on-line
measurements,
a
high-efficiency
S-band
rectangular
waveguide
TE
mode
to
circular
waveguide
10
TM
mode
converter
is
developed
in
this
paper.
The
mode
converter
structure
is
simulated
and
optimized
using
01
CST
software,
and
the
performance
of
the
developed
mode
converter
is
measured
in
both
the
frequency
and
time
domains.
The
simulation
and
measurement
results
in
the
frequency
domain
show
that
the
mode
converter
operates
at
a
center
frequency
of
2.1
GHz,
with
S11
−20
dB
and
S21
−0.1
dB
in
the
operating
bandwidth
of
60
MHz.
Measurements
in
both
frequency
and
time
domains
show
that
the
insertion
loss
of
the
mode
converter
is
less
than
0.1dB
at
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