Circularly polarized antenna technology:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin ; Boston
De Gruyter
[2021]
[Beijing] National Defense Industry Press |
| Schlagworte: | |
| Online-Zugang: | https://www.degruyter.com/books/9783110561180 Inhaltsverzeichnis |
| Beschreibung: | XIII, 340 Seiten Illustrationen, Diagramme 24 cm x 17 cm |
| ISBN: | 3110561182 9783110561180 |
Internformat
MARC
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| 020 | |a 3110561182 |9 3-11-056118-2 | ||
| 020 | |a 9783110561180 |c hbk: EUR 119.95 (DE) (freier Preis), EUR 119.95 (AT) (freier Preis) |9 978-3-11-056118-0 | ||
| 024 | 3 | |a 9783110561180 | |
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| 035 | |a (DE-599)DNB1211903419 | ||
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| 084 | |a ZN 6450 |0 (DE-625)157564: |2 rvk | ||
| 084 | |a 621.3 |2 sdnb | ||
| 100 | 1 | |a Wang, Yufeng |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Circularly polarized antenna technology |c Yufeng Wang |
| 264 | 1 | |a Berlin ; Boston |b De Gruyter |c [2021] | |
| 264 | 1 | |a [Beijing] |b National Defense Industry Press | |
| 264 | 4 | |c © 2021 | |
| 300 | |a XIII, 340 Seiten |b Illustrationen, Diagramme |c 24 cm x 17 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 650 | 0 | 7 | |a Antenne |0 (DE-588)4002210-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Zirkularpolarisation |0 (DE-588)4217953-1 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Antenne |0 (DE-588)4002210-9 |D s |
| 689 | 0 | 1 | |a Zirkularpolarisation |0 (DE-588)4217953-1 |D s |
| 689 | 0 | |5 DE-604 | |
| 710 | 2 | |a Walter de Gruyter GmbH & Co. KG |0 (DE-588)10095502-2 |4 pbl | |
| 776 | 0 | 8 | |i Erscheint auch als |n Online-Ausgabe, EPUB |z 978-3-11-056156-2 |
| 776 | 0 | 8 | |i Erscheint auch als |n Online-Ausgabe, PDF |z 978-3-11-056280-4 |
| 856 | 4 | 2 | |m X:MVB |u https://www.degruyter.com/books/9783110561180 |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=032359965&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-032359965 | ||
Datensatz im Suchindex
| _version_ | 1804181863638499328 |
|---|---|
| adam_text | CONTENTS
PREFACE
*
V
INTRODUCTION
*
1
CHAPTER
1
PARAMETERS
OF
ANTENNAE
*
4
1.1
RADIATION
POWER
DENSITY
AND
RADIATION
INTENSITY
*
4
1.1.1
RADIATION
POWER
DENSITY
*
4
1.1.2
RADIATION
INTENSITY
*
5
1.2
DIRECTIVITY
AND
GAIN
*
6
1.2.1
DIRECTIVITY
-----
6
1.2.2
GAIN
-----
6
1.3
BEAM
SOLID
ANGLE
*
7
1.4
ANTENNA
FIELD
ZONES
*
7
1.5
RADIATION
PATTERN
*
9
1.5.1
DESCRIPTION
OF
ANTENNA
PATTERN
*
10
1.5.2
HPBW
-----
11
1.5.3
FNBW
-----
12
1.5.4
DIRECTIVITY
ESTIMATION
*
12
1.5.5
SIDELOBE
LEVEL
*
12
1.5.6
THE
DIFFERENCE
AMONG
THE
DECIBELS
*
13
1.6
EFFECTIVE
LENGTH
AND
EFFECTIVE
AREA
*
14
1.6.1
EFFECTIVE
LENGTH
-----
14
1.6.2
EFFECTIVE
AREA
*
15
1.7
ANTENNA
IMPEDANCE
*
16
1.7.1
INPUT
IMPEDANCE
*
16
1.7.2
VOLTAGE
STANDING
WAVE
RATIO
*
17
1.8
BANDWIDTH
-----
19
1.9
POLARIZATION
OF
THE
ANTENNA
*
19
1.10
EQUIVALENT
ISOTROPICALLY
RADIATED
POWER
*
20
1.11
FRIIS
TRANSMISSION
EQUATION
*
21
1.12
RECEIVING
ANTENNA
*
23
1.12.1
RECEIVER
VOLTAGE
*
23
1.12.2
ANTENNA
FACTOR
-----
23
REFERENCES
-----
25
CHAPTER
2
POLARIZATION
THEORY
*
26
2.1
POLARIZATION
CHARACTERISTICS
OF
THE
WAVE
*
26
2.1.1
PLANE
ELECTROMAGNETIC
WAVE
ELECTRIC
FIELD
VECTOR
*
26
VIII
*
CONTENTS
2.1.2
2.1.3
2.1.4
2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.5.1
2.5.2
2.6
2.6.1
2.6.2
2.7
2.7.1
2.7.2
2.7.3
2.8
LINEAR
POLARIZATION
*
27
CIRCULAR
POLARIZATION
*
28
ELLIPTICALLY
POLARIZATION
WAVE
*
29
POLARIZATION
ELLIPSE
DIP
ANGLE
*
30
AXIAL
RATIO
*
31
POLARIZATION
RATIO
*
32
LINEAR
POLARIZATION
RATIO
*
32
CIRCULAR
POLARIZATION
RATIO
*
33
CIRCULAR
POLARIZATION
COMPONENT
SYNTHESIS
*
34
ELLIPTIC
EQUATION
DERIVATION
*
34
SYNTHESIS
OF
ORTHOGONAL
CIRCULAR
POLARIZATION
WAVES
*
36
POLARIZATION
LOSS
*
37
POLARIZATION
RATIO
AND
POLARIZATION
EFFICIENCY
*
38
AXIAL
RATIO
AND
POLARIZATION
EFFICIENCY
*
39
CROSS-POLARIZATION
-----
41
CROSS-POLARIZATION
IDENTIFICATION
*
42
CROSS-POLARIZATION
ISOLATION
*
44
CROSS-POLARIZATION
CALCULATION
OF
ANTENNA
*
44
CIRCULAR
POLARIZATION
ANTENNA
*
45
REFERENCES
*
48
CHAPTER
3
CROSSED
DIPOLE
CIRCULARLY
POLARIZED
ANTENNA
*
49
3.1
CROSSED
DIPOLE
ANTENNA
PRINCIPLE
*
49
3.1.1
DIPOLE
ANTENNA
-----
49
3.1.2
CROSSED
DIPOLE
ANTENNA
*
51
3.2
BALUN-FED
SELF-PHASED
CROSSED
DIPOLE
ANTENNA
*
53
3.2.1
BALUN
FEED
STRUCTURE
*
53
3.2.1.1
A/4
CHOKE
SLEEVE
*
54
3.2.1.2
SPLIT
COAX
BALUN
-----
54
3.2.1.3
FOLDED
BALUN
-----
55
3.2.1.4
HALF-WAVELENGTH
BALUN
*
56
3.2.1.5
COAXIAL
TAPER
BALUN
-----
57
3.2.1.6
NATURAL
BALUN
*
58
3.2.2
GAIN
AND
BEAM
WIDTH
CONTROL
METHODS
*
58
3.2.2.1
CROSSED
DIPOLE
ANTENNA
RADIATION
CHARACTERISTICS
*
58
3.2.2.2
EFFECTS
ON
SPACING
OF
THE
DIPOLES
AND
REFLECTOR
ON
GAIN
AND
BEAM
WIDTH
*
59
3.2.2.3
DECLINATE
ARMS
FOR
BEAM
WIDENING
*
60
3.2.3
DESIGN
EXAMPLE
OF
SELF-PHASE-SHIFTED
CROSSED
DIPOLE
ANTENNA
*
63
3.2.3.1
ANTENNA
STRUCTURE
*
63
CONTENTS
*
IX
3.2.3.2
EFFECT
OF
BENDING
ANGLE
ON
ANTENNA
PERFORMANCE
*
64
3.2.3.3
RESULTS
------69
3.3
PRINTED
SELF-PHASED
CROSSED
DIPOLE
ANTENNA
*
70
3.3.1
DESIGN
PROCESS
OF
COMPACT
PRINTED
CROSSED
DIPOLE
ANTENNA
*
70
3.3.2
ANTENNA
PARAMETER
ANALYSIS
*
75
3.3.3
ANTENNA
MEASUREMENT
AND
DISCUSSION
*
76
3.4
BROADBAND
CROSSED
DIPOLE
CP
ANTENNA
*
78
3.4.1
BROADBAND
PRINCIPLE
OF
CP
ANTENNA
WITH
CROSSED
DIPOLE
*
79
3.4.2
DESIGN
EXAMPLE
OF
BROADBAND
CROSSED
DIPOLE
CP
ANTENNA
*
79
REFERENCES
*
84
CHAPTER
4
CIRCULARLY
POLARIZED
MICROSTRIP
ANTENNA
*
87
4.1
PRINCIPLE
AND
SOLUTIONS
OF
MICROSTRIP
CP
ANTENNA
*
88
4.1.1
SINGLE
PROBE
FEED
*
90
4.1.2
MICROSTRIP
LINE
FEED
*
91
4.1.3
APERTURE
COUPLING
-----92
4.1.4
MICROSTRIP
PROXIMITY
COUPLING
-----
93
4.1.5
MULTIFED
NETWORK
-----
94
4.1.5.1
3
DB
BRIDGE
-----
94
4.1.5.2
PHASE-SHIFTED
POWER
DIVIDER
-------
94
4.2
SINGLE
PROBE-FED
CIRCULARLY
POLARIZED
MSA
-----96
4.2.1
A
SINGLE
PROBE-FED
SQUARE
PATCH
WITH
TRUNCATED
CORNERS
MSA
*
96
4.2.2
A
SINGLE
PROBE-FED
SLOT-LOADED
MSA
98
4.2.3
A
SINGLE
PROBE-FED
SLOT-LOADED
DUAL-BAND
MSA
------
102
4.2.4
A
SINGLE
PROBE-FED
STUB
LOADED
MSA
106
4.3
SINGLE-PROBE
FEED-STACKED
CP
MSA
-----
109
4.3.1
DUAL-LAYER
SQUARE
PATCH
CP
ANTENNA
WITH
TRUNCATED
CORNERS
*
111
4.3.1.1
BROADBAND
STACKED
SQUARE
PATCH
CP
ANTENNA
WITH
TRUNCATED
CORNERS
*
111
4.3.1.2
DUAL-BAND
STACKED
SQUARE
CORNER
CUT
CP
PATCH
ANTENNA
*
115
4.3.2
STACKED
QUASI-SQUARE
PATCH
CP
ANTENNA
*
118
4.3.3
STACKED
CIRCULAR
SLOT
CP
PATCH
ANTENNA
*
120
4.4
MICROSTRIP-FED
CP
MSA
-----
125
4.4.1
MICROSTRIP-FED
CP
MSA
----
125
4.4.2
MICROSTRIP
PROXIMITY
COUPLED
CP
MSA
-----
129
4.4.3
CPW-FED
CP
MSA
-----
134
4.4.4
APERTURE-COUPLED
CP
ANTENNA
*
137
4.5
MULTIFED
CP
MSA
-------
142
4.5.1
A
BROADBAND
CP
H-SHARPED
APERTURE-COUPLED
MSA
-----
142
4.5.2
MULTIPLE
L-SHAPED
PROBE-FED
CP
MSA
-----
145
X
*
CONTENTS
4.5.2.1
CP
MSA
WITH
DIFFERENT
FEEDS
-----
145
4.5.2.2
ENGINEERING
REALIZATION
OF
QUAD-FEED
CP
MSA
-----
151
REFERENCES
*
156
CHAPTER
5
HELIX
ANTENNA
*
159
5.1
BASIC
STRUCTURE
OF
HELIX
ANTENNA
*
159
5.2
AXIAL-MODE
HELIX
ANTENNA
*
161
5.2.1
PRINCIPLE
OF
CP
-----
161
5.2.2
PHASE
DIFFERENCE
*
162
5.2.3
RADIATION
PATTERN
*
163
5.2.4
ANTENNA
DESIGN
-----
163
5.2.5
MAIN
PARAMETERS
ANALYSIS
*
170
5.2.5.1
THE
EFFECTS
OF
THE
PITCH
ANGLE
WITH
FIXED
LENGTH
*
170
5.2.5.2
THE
EFFECTS
OF
HELIX
DIAMETER
WITH
FIXED
LENGTH
*
171
5.2.5.3
THE
EFFECTS
OF
THE
NUMBER
OF
TURNS
*
172
5.3
MODIFIED
AXIAL-MODE
HELIX
ANTENNA
*
173
5.3.1
TAPERED-END
HELIX
ANTENNA
*
175
5.3.2
CONICAL
HELIX
ANTENNA
*
176
5.3.3
NONUNIFORM
HELIX
ANTENNA
*
177
5.4
HELIX
ANTENNA
WITH
REFLECTIVE
CAVITY
*
178
5.5
NORMAL
MODE
HELIX
ANTENNA
*
183
5.6
MULTIARM
HELIX
ANTENNA
*
187
REFERENCES
*
191
CHAPTER
6
QUADRIFILAR
HELIX
ANTENNAS
-----
194
6.1
PRINCIPLE
OF
QUADRIFILAR
HELIX
ANTENNA
*
194
6.1.1
STRUCTURE
OF
THE
QUADRIFILAR
HELIX
ANTENNA
*
194
6.1.2
RADIATION
FIELD
OF
QHA
-----
197
6.2
PARAMETERS
ANALYSIS
OF
THE
QHA
*
198
6.2.1
THE
EFFECT
OF
AXIS
LENGTH
AND
NUMBER
OF
TURNS
ON
THE
PERFORMANCE
OF
THE
QHA
-----
199
6.2.1.1
THE
EFFECT
OF
AXIAL
LENGTH
AND
NUMBER
OF
TURNS
ON
3
DB
BEAMWIDTH
*
199
6.2.1.2
THE
EFFECT
OF
AXIAL
LENGTH
AND
NUMBER
OF
TURNS
ON
AXIAL
RATIO
*
199
6.2.1.3
THE
EFFECT
OF
AXIAL
LENGTH
AND
NUMBER
OF
TURNS
ON
FRONT-TO-BACK
RATIO
-----
200
6.2.2
THE
EFFECT
OF
ROTATION
ANGLE
ON
THE
PERFORMANCE
OF
THE
QHA
*
201
6.2.2.1
THE
EFFECT
OF
ROTATION
ANGLE
ON
IMPEDANCE
*
202
6.2.2.2
THE
EFFECT
OF
ROTATION
ANGLE
ON
GAIN,
FRONT-TO-BACK
RATIO
AND
BEAMWIDTH
-----
203
CONTENTS
*
XI
6.2.2.3
THE
EFFECT
OF
ROTATION
ANGLE
ON
AXIAL
RATIO
*
204
6.2.3
THE
EFFECT
OF
RADIUS
AND
PITCH
RATIO
ON
THE
PATTERN
OF
THE
QHA
*
204
6.3
REALIZATION
OF
THE
QHA
*
204
6.3.1
SELF-PHASE-SHIFTING
QHA
*
205
6.3.1.1
SELF-PHASE-SHIFTING
STRUCTURE
*
206
6.3.1.2
BALANCED
FEED
STRUCTURE
*
206
6.3.1.3
SELF-PHASE-SHIFTING
QHA
WITH
INFINITE
BARRON
FEED
*
207
6.3.1.4
SELF-PHASE-SHIFTING
QHA
WITH
SLOTTED
BALUN
FEED
-----
208
6.3.2
QHA
WITH
PHASE-SHIFTING
NETWORK
FEED
-----
211
6.3.2.1
PHASE-SHIFTING
NETWORK
*
211
6.3.2.2
SENSE
OF
ROTATION
OF
QHA
CIRCULAR
POLARIZATION
*
214
6.3.2.3
DESIGN
EXAMPLE
*
214
6.4
RESEARCH
DIRECTION
OF
QHA
-----
216
6.4.1
MINIATURIZATION
OF
QHA
*
216
6.4.1.1
MEANDERING
METHOD
*
217
6.4.1.2
FOLDING
METHOD
*
219
6.4.1.3
DIELECTRIC
LOADING
METHOD
*
221
6.4.2
WIDEBAND
QHA
-----
223
6.4.3
DUAL-BAND
QHA-----
224
REFERENCES
*
227
CHAPTER
7
CIRCULARLY
POLARIZED
FREQUENCY-INDEPENDENT
ANTENNA
*
229
7.1
THE
PRINCIPLE
OF
FREQUENCY-INDEPENDENT
ANTENNA
*
230
7.2
PLANE
ARCHIMEDES
SPIRAL
ANTENNA
*
231
7.2.1
ANTENNA
STRUCTURE
-----
231
7.2.2
ELECTRICAL
CHARACTERISTICS
------
233
7.2.3
DESIGN
EXAMPLES
*
236
7.2.3.1
A
BROADBAND
LOW-PROFILE
ARCHIMEDES
PLANE
SPIRAL
ANTENNA
*
236
7.23.2
MINIATURE
PLANAR
HELIX
ANTENNA
LOADING
CURVED
SAWTOOTH
*
241
7.233
ULTRA-WIDEBAND
LOW-PROFILE
HYBRID
BACK-CAVITY
PLANE
SPIRAL
ANTENNA
*
244
7.3
PLANAR
EQUIANGULAR
SPIRAL
ANTENNA
*
247
7.3.1
ANTENNA
STRUCTURE
-----
247
7.3.2
ELECTRICAL
PROPERTIES
*
249
7.3.3
DESIGN
EXAMPLES
*
251
7.3.3.1
ANNULAR
EQUIANGULAR
SPIRAL
FILLED
WITH
EDGE-ABSORBING
MATERIAL
*
251
733.2
K
PLANAR
EQUIANGULAR
HELIX
ANTENNA
WITH
HIGH
POWER
CAPACITY
*
254
7.4 CONICAL
LOGISTIC-SPIRAL
ANTENNA
*
255
7.4.1
ANTENNA
STRUCTURE
-----
255
7.4.2
ELECTRICAL
PROPERTIES
*
256
XII
*
CONTENTS
7.4.2.1
IMPEDANCE
-----
256
7.4.2.2
WORKING
BANDWIDTH
-----
257
7.4.2.3
POLARIZATION
*
257
7.4.2.4
DIRECTIVITY
-----
258
7.4.3
DESIGN
EXAMPLES
*
259
7.5
OTHER
TYPES
OF
FREQUENCY-INDEPENDENT
CIRCULAR
POLARIZATION
ANTENNA
*
263
7.5.1
LOG-PERIODIC
CP
ANTENNA
*
264
7.5.1.1
BASIC
STRUCTURE
OF
LOG-PERIODIC
ANTENNA
*
264
7.5.1.2
EXAMPLE
OF
LOG-PERIODIC
CP
ANTENNA
*
266
7.5.2
SINUSOIDAL
CIRCULARLY
POLARIZED
ANTENNA
*
268
7.5.2.1
BASIC
STRUCTURE
OF
SINUSOIDAL
CIRCULARLY
POLARIZED
ANTENNA
*
268
7.5.2.2
EXAMPLES
OF
SINUSOIDAL
CIRCULARLY
POLARIZED
ANTENNAS
*
271
REFERENCES
*
273
CHAPTER
8
CIRCULARLY
POLARIZED
HORN
ANTENNAS
*
275
8.1
CIRCULAR
POLARIZER
TYPES
*
275
8.1.1
SCREW
CIRCULAR
POLARIZER
*
276
8.1.2
DIAPHRAGM
CIRCULAR
POLARIZER
*
276
8.1.3
BAFFLE
CIRCULAR
POLARIZER
*
277
8.1.4
DIELECTRIC
PLATE
CIRCULAR
POLARIZER
*
279
8.1.5
RESONANT
CAVITY
CIRCULAR
POLARIZER
*
280
8.2
COMMON
HORN
ANTENNA
*
281
8.2.1
DUAL-MODE
CONICAL
HORN
ANTENNA
*
281
8.2.2
MULTIMODE
CONICAL
HORN
ANTENNA
*
282
8.2.3
CORRUGATED
HORN
ANTENNA
*
283
8.2.3.1
SMALL
FLARE
ANGLE
HORN
*
283
8.2.3.2
LARGE
FLARE
ANGLE
HORN
*
284
8.2.3.3
AXIAL
GROOVE
CORRUGATED
HORN
*
285
8.3
CIRCULARLY
POLARIZED
HORN
ANTENNA
DESIGN
*
285
8.3.1
DESIGN
OF
BAFFLE
CIRCULAR
POLARIZER
*
286
8.3.2
DESIGN
OF
DUAL-MODE
CONICAL
HORN
ANTENNA
*
290
8.3.3
SIMULATION
RESULTS
OF
THE
DUAL
CIRCULARLY
POLARIZED
DUAL-MODE
CONICAL
HORN
ANTENNA
*
292
REFERENCES
*
294
CHAPTER
9
OMNIDIRECTIONAL
CIRCULARLY
POLARIZED
ANTENNA
*
296
9.1
OCP
ANTENNAS
USING
CIRCULAR
ARRAYS
OF
DIRECTIONAL
CIRCULARLY
POLARIZED
ANTENNA
ELEMENTS
*
297
CONTENTS
*
XIII
9.1.1
A
CONFORMAL
OMNIDIRECTIONAL
CIRCULARLY
POLARIZED
ANTENNA
USING
PATCH
ANTENNAS
*
297
9.1.2
A
BROADBAND
OCP
ANTENNA
-----
298
9.2
OCP
ANTENNAS
USING
CIRCULAR
ARRAYS
OF
OMNIDIRECTIONAL
ANTENNA
ELEMENTS
WITH
LINEAR
POLARIZATIONS
*
299
9.2.1
OCP
ANTENNA
USING
SLANT
OR
BENDED
DIPOLES
*
301
9.2.2
OCP
ANTENNA
WITH
HELIX
ANTENNAS
*
305
9.2.3
OCP
ANTENNA
UTILIZING
BENDED
MONOPOLES
*
309
9.3
OTHER
FORMS
OF
OCP
ANTENNAS
*
313
9.3.1
OCP
ANTENNAS
BASED
ON
ZERO-ORDER
RESONANT
ANTENNAS
*
313
9.3.2
OCP
ANTENNAS
BASED
ON
OMNIDIRECTIONAL
CONE
ANTENNAS
FED
BY
CP
WAVES
*
315
REFERENCES
*
317
CHAPTER
10
CIRCULARLY
POLARIZED
RADIAL
LINE
ARRAY
ANTENNA
*
319
10.1
STRUCTURE
AND
BASIC
PRINCIPLE
OF
RADIAL
ANTENNA
*
319
10.1.1
STRUCTURE
OF
RADIAL
LINE
ANTENNA
*
319
10.1.2
RADIAL
TRANSMISSION
MODE
*
320
10.1.3
CONCENTRIC
RING
ARRAY
THEORY
*
322
10.2
DESIGN
OF
CIRCULARLY
POLARIZED
RADIAL
LINE
ARRAY
ANTENNA
*
324
10.2.1
ANTENNA
GEOMETRY
-----
324
10.2.2
RELATIONSHIP
BETWEEN
THE
SLOW
WAVE
STRUCTURE
AND
THE
WAVEGUIDE
STRUCTURE
-----
325
10.2.3
APERTURE
FIELD
DISTRIBUTION
*
327
10.2.4
DERIVATION
OF
POSITION
ALIGNMENT
OF
GAP
*
328
10.2.5
REALIZATION
OF
DUAL-CIRCULAR
POLARIZATION
RADIAL
SLOT
ARRAY
ANTENNA
-----
330
10.2.6
CIRCULARLY
POLARIZED
RADIAL
LINE
HELICAL
ARRAY
ANTENNA
*
336
REFERENCES
*
337
INDEX
*
339
|
| adam_txt |
CONTENTS
PREFACE
*
V
INTRODUCTION
*
1
CHAPTER
1
PARAMETERS
OF
ANTENNAE
*
4
1.1
RADIATION
POWER
DENSITY
AND
RADIATION
INTENSITY
*
4
1.1.1
RADIATION
POWER
DENSITY
*
4
1.1.2
RADIATION
INTENSITY
*
5
1.2
DIRECTIVITY
AND
GAIN
*
6
1.2.1
DIRECTIVITY
-----
6
1.2.2
GAIN
-----
6
1.3
BEAM
SOLID
ANGLE
*
7
1.4
ANTENNA
FIELD
ZONES
*
7
1.5
RADIATION
PATTERN
*
9
1.5.1
DESCRIPTION
OF
ANTENNA
PATTERN
*
10
1.5.2
HPBW
-----
11
1.5.3
FNBW
-----
12
1.5.4
DIRECTIVITY
ESTIMATION
*
12
1.5.5
SIDELOBE
LEVEL
*
12
1.5.6
THE
DIFFERENCE
AMONG
THE
DECIBELS
*
13
1.6
EFFECTIVE
LENGTH
AND
EFFECTIVE
AREA
*
14
1.6.1
EFFECTIVE
LENGTH
-----
14
1.6.2
EFFECTIVE
AREA
*
15
1.7
ANTENNA
IMPEDANCE
*
16
1.7.1
INPUT
IMPEDANCE
*
16
1.7.2
VOLTAGE
STANDING
WAVE
RATIO
*
17
1.8
BANDWIDTH
-----
19
1.9
POLARIZATION
OF
THE
ANTENNA
*
19
1.10
EQUIVALENT
ISOTROPICALLY
RADIATED
POWER
*
20
1.11
FRIIS
TRANSMISSION
EQUATION
*
21
1.12
RECEIVING
ANTENNA
*
23
1.12.1
RECEIVER
VOLTAGE
*
23
1.12.2
ANTENNA
FACTOR
-----
23
REFERENCES
-----
25
CHAPTER
2
POLARIZATION
THEORY
*
26
2.1
POLARIZATION
CHARACTERISTICS
OF
THE
WAVE
*
26
2.1.1
PLANE
ELECTROMAGNETIC
WAVE
ELECTRIC
FIELD
VECTOR
*
26
VIII
*
CONTENTS
2.1.2
2.1.3
2.1.4
2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.5.1
2.5.2
2.6
2.6.1
2.6.2
2.7
2.7.1
2.7.2
2.7.3
2.8
LINEAR
POLARIZATION
*
27
CIRCULAR
POLARIZATION
*
28
ELLIPTICALLY
POLARIZATION
WAVE
*
29
POLARIZATION
ELLIPSE
DIP
ANGLE
*
30
AXIAL
RATIO
*
31
POLARIZATION
RATIO
*
32
LINEAR
POLARIZATION
RATIO
*
32
CIRCULAR
POLARIZATION
RATIO
*
33
CIRCULAR
POLARIZATION
COMPONENT
SYNTHESIS
*
34
ELLIPTIC
EQUATION
DERIVATION
*
34
SYNTHESIS
OF
ORTHOGONAL
CIRCULAR
POLARIZATION
WAVES
*
36
POLARIZATION
LOSS
*
37
POLARIZATION
RATIO
AND
POLARIZATION
EFFICIENCY
*
38
AXIAL
RATIO
AND
POLARIZATION
EFFICIENCY
*
39
CROSS-POLARIZATION
-----
41
CROSS-POLARIZATION
IDENTIFICATION
*
42
CROSS-POLARIZATION
ISOLATION
*
44
CROSS-POLARIZATION
CALCULATION
OF
ANTENNA
*
44
CIRCULAR
POLARIZATION
ANTENNA
*
45
REFERENCES
*
48
CHAPTER
3
CROSSED
DIPOLE
CIRCULARLY
POLARIZED
ANTENNA
*
49
3.1
CROSSED
DIPOLE
ANTENNA
PRINCIPLE
*
49
3.1.1
DIPOLE
ANTENNA
-----
49
3.1.2
CROSSED
DIPOLE
ANTENNA
*
51
3.2
BALUN-FED
SELF-PHASED
CROSSED
DIPOLE
ANTENNA
*
53
3.2.1
BALUN
FEED
STRUCTURE
*
53
3.2.1.1
A/4
CHOKE
SLEEVE
*
54
3.2.1.2
SPLIT
COAX
BALUN
-----
54
3.2.1.3
FOLDED
BALUN
-----
55
3.2.1.4
HALF-WAVELENGTH
BALUN
*
56
3.2.1.5
COAXIAL
TAPER
BALUN
-----
57
3.2.1.6
NATURAL
BALUN
*
58
3.2.2
GAIN
AND
BEAM
WIDTH
CONTROL
METHODS
*
58
3.2.2.1
CROSSED
DIPOLE
ANTENNA
RADIATION
CHARACTERISTICS
*
58
3.2.2.2
EFFECTS
ON
SPACING
OF
THE
DIPOLES
AND
REFLECTOR
ON
GAIN
AND
BEAM
WIDTH
*
59
3.2.2.3
DECLINATE
ARMS
FOR
BEAM
WIDENING
*
60
3.2.3
DESIGN
EXAMPLE
OF
SELF-PHASE-SHIFTED
CROSSED
DIPOLE
ANTENNA
*
63
3.2.3.1
ANTENNA
STRUCTURE
*
63
CONTENTS
*
IX
3.2.3.2
EFFECT
OF
BENDING
ANGLE
ON
ANTENNA
PERFORMANCE
*
64
3.2.3.3
RESULTS
------69
3.3
PRINTED
SELF-PHASED
CROSSED
DIPOLE
ANTENNA
*
70
3.3.1
DESIGN
PROCESS
OF
COMPACT
PRINTED
CROSSED
DIPOLE
ANTENNA
*
70
3.3.2
ANTENNA
PARAMETER
ANALYSIS
*
75
3.3.3
ANTENNA
MEASUREMENT
AND
DISCUSSION
*
76
3.4
BROADBAND
CROSSED
DIPOLE
CP
ANTENNA
*
78
3.4.1
BROADBAND
PRINCIPLE
OF
CP
ANTENNA
WITH
CROSSED
DIPOLE
*
79
3.4.2
DESIGN
EXAMPLE
OF
BROADBAND
CROSSED
DIPOLE
CP
ANTENNA
*
79
REFERENCES
*
84
CHAPTER
4
CIRCULARLY
POLARIZED
MICROSTRIP
ANTENNA
*
87
4.1
PRINCIPLE
AND
SOLUTIONS
OF
MICROSTRIP
CP
ANTENNA
*
88
4.1.1
SINGLE
PROBE
FEED
*
90
4.1.2
MICROSTRIP
LINE
FEED
*
91
4.1.3
APERTURE
COUPLING
-----92
4.1.4
MICROSTRIP
PROXIMITY
COUPLING
-----
93
4.1.5
MULTIFED
NETWORK
-----
94
4.1.5.1
3
DB
BRIDGE
-----
94
4.1.5.2
PHASE-SHIFTED
POWER
DIVIDER
-------
94
4.2
SINGLE
PROBE-FED
CIRCULARLY
POLARIZED
MSA
-----96
4.2.1
A
SINGLE
PROBE-FED
SQUARE
PATCH
WITH
TRUNCATED
CORNERS
MSA
*
96
4.2.2
A
SINGLE
PROBE-FED
SLOT-LOADED
MSA
98
4.2.3
A
SINGLE
PROBE-FED
SLOT-LOADED
DUAL-BAND
MSA
------
102
4.2.4
A
SINGLE
PROBE-FED
STUB
LOADED
MSA
106
4.3
SINGLE-PROBE
FEED-STACKED
CP
MSA
-----
109
4.3.1
DUAL-LAYER
SQUARE
PATCH
CP
ANTENNA
WITH
TRUNCATED
CORNERS
*
111
4.3.1.1
BROADBAND
STACKED
SQUARE
PATCH
CP
ANTENNA
WITH
TRUNCATED
CORNERS
*
111
4.3.1.2
DUAL-BAND
STACKED
SQUARE
CORNER
CUT
CP
PATCH
ANTENNA
*
115
4.3.2
STACKED
QUASI-SQUARE
PATCH
CP
ANTENNA
*
118
4.3.3
STACKED
CIRCULAR
SLOT
CP
PATCH
ANTENNA
*
120
4.4
MICROSTRIP-FED
CP
MSA
-----
125
4.4.1
MICROSTRIP-FED
CP
MSA
----
125
4.4.2
MICROSTRIP
PROXIMITY
COUPLED
CP
MSA
-----
129
4.4.3
CPW-FED
CP
MSA
-----
134
4.4.4
APERTURE-COUPLED
CP
ANTENNA
*
137
4.5
MULTIFED
CP
MSA
-------
142
4.5.1
A
BROADBAND
CP
H-SHARPED
APERTURE-COUPLED
MSA
-----
142
4.5.2
MULTIPLE
L-SHAPED
PROBE-FED
CP
MSA
-----
145
X
*
CONTENTS
4.5.2.1
CP
MSA
WITH
DIFFERENT
FEEDS
-----
145
4.5.2.2
ENGINEERING
REALIZATION
OF
QUAD-FEED
CP
MSA
-----
151
REFERENCES
*
156
CHAPTER
5
HELIX
ANTENNA
*
159
5.1
BASIC
STRUCTURE
OF
HELIX
ANTENNA
*
159
5.2
AXIAL-MODE
HELIX
ANTENNA
*
161
5.2.1
PRINCIPLE
OF
CP
-----
161
5.2.2
PHASE
DIFFERENCE
*
162
5.2.3
RADIATION
PATTERN
*
163
5.2.4
ANTENNA
DESIGN
-----
163
5.2.5
MAIN
PARAMETERS
ANALYSIS
*
170
5.2.5.1
THE
EFFECTS
OF
THE
PITCH
ANGLE
WITH
FIXED
LENGTH
*
170
5.2.5.2
THE
EFFECTS
OF
HELIX
DIAMETER
WITH
FIXED
LENGTH
*
171
5.2.5.3
THE
EFFECTS
OF
THE
NUMBER
OF
TURNS
*
172
5.3
MODIFIED
AXIAL-MODE
HELIX
ANTENNA
*
173
5.3.1
TAPERED-END
HELIX
ANTENNA
*
175
5.3.2
CONICAL
HELIX
ANTENNA
*
176
5.3.3
NONUNIFORM
HELIX
ANTENNA
*
177
5.4
HELIX
ANTENNA
WITH
REFLECTIVE
CAVITY
*
178
5.5
NORMAL
MODE
HELIX
ANTENNA
*
183
5.6
MULTIARM
HELIX
ANTENNA
*
187
REFERENCES
*
191
CHAPTER
6
QUADRIFILAR
HELIX
ANTENNAS
-----
194
6.1
PRINCIPLE
OF
QUADRIFILAR
HELIX
ANTENNA
*
194
6.1.1
STRUCTURE
OF
THE
QUADRIFILAR
HELIX
ANTENNA
*
194
6.1.2
RADIATION
FIELD
OF
QHA
-----
197
6.2
PARAMETERS
ANALYSIS
OF
THE
QHA
*
198
6.2.1
THE
EFFECT
OF
AXIS
LENGTH
AND
NUMBER
OF
TURNS
ON
THE
PERFORMANCE
OF
THE
QHA
-----
199
6.2.1.1
THE
EFFECT
OF
AXIAL
LENGTH
AND
NUMBER
OF
TURNS
ON
3
DB
BEAMWIDTH
*
199
6.2.1.2
THE
EFFECT
OF
AXIAL
LENGTH
AND
NUMBER
OF
TURNS
ON
AXIAL
RATIO
*
199
6.2.1.3
THE
EFFECT
OF
AXIAL
LENGTH
AND
NUMBER
OF
TURNS
ON
FRONT-TO-BACK
RATIO
-----
200
6.2.2
THE
EFFECT
OF
ROTATION
ANGLE
ON
THE
PERFORMANCE
OF
THE
QHA
*
201
6.2.2.1
THE
EFFECT
OF
ROTATION
ANGLE
ON
IMPEDANCE
*
202
6.2.2.2
THE
EFFECT
OF
ROTATION
ANGLE
ON
GAIN,
FRONT-TO-BACK
RATIO
AND
BEAMWIDTH
-----
203
CONTENTS
*
XI
6.2.2.3
THE
EFFECT
OF
ROTATION
ANGLE
ON
AXIAL
RATIO
*
204
6.2.3
THE
EFFECT
OF
RADIUS
AND
PITCH
RATIO
ON
THE
PATTERN
OF
THE
QHA
*
204
6.3
REALIZATION
OF
THE
QHA
*
204
6.3.1
SELF-PHASE-SHIFTING
QHA
*
205
6.3.1.1
SELF-PHASE-SHIFTING
STRUCTURE
*
206
6.3.1.2
BALANCED
FEED
STRUCTURE
*
206
6.3.1.3
SELF-PHASE-SHIFTING
QHA
WITH
INFINITE
BARRON
FEED
*
207
6.3.1.4
SELF-PHASE-SHIFTING
QHA
WITH
SLOTTED
BALUN
FEED
-----
208
6.3.2
QHA
WITH
PHASE-SHIFTING
NETWORK
FEED
-----
211
6.3.2.1
PHASE-SHIFTING
NETWORK
*
211
6.3.2.2
SENSE
OF
ROTATION
OF
QHA
CIRCULAR
POLARIZATION
*
214
6.3.2.3
DESIGN
EXAMPLE
*
214
6.4
RESEARCH
DIRECTION
OF
QHA
-----
216
6.4.1
MINIATURIZATION
OF
QHA
*
216
6.4.1.1
MEANDERING
METHOD
*
217
6.4.1.2
FOLDING
METHOD
*
219
6.4.1.3
DIELECTRIC
LOADING
METHOD
*
221
6.4.2
WIDEBAND
QHA
-----
223
6.4.3
DUAL-BAND
QHA-----
224
REFERENCES
*
227
CHAPTER
7
CIRCULARLY
POLARIZED
FREQUENCY-INDEPENDENT
ANTENNA
*
229
7.1
THE
PRINCIPLE
OF
FREQUENCY-INDEPENDENT
ANTENNA
*
230
7.2
PLANE
ARCHIMEDES
SPIRAL
ANTENNA
*
231
7.2.1
ANTENNA
STRUCTURE
-----
231
7.2.2
ELECTRICAL
CHARACTERISTICS
------
233
7.2.3
DESIGN
EXAMPLES
*
236
7.2.3.1
A
BROADBAND
LOW-PROFILE
ARCHIMEDES
PLANE
SPIRAL
ANTENNA
*
236
7.23.2
MINIATURE
PLANAR
HELIX
ANTENNA
LOADING
CURVED
SAWTOOTH
*
241
7.233
ULTRA-WIDEBAND
LOW-PROFILE
HYBRID
BACK-CAVITY
PLANE
SPIRAL
ANTENNA
*
244
7.3
PLANAR
EQUIANGULAR
SPIRAL
ANTENNA
*
247
7.3.1
ANTENNA
STRUCTURE
-----
247
7.3.2
ELECTRICAL
PROPERTIES
*
249
7.3.3
DESIGN
EXAMPLES
*
251
7.3.3.1
ANNULAR
EQUIANGULAR
SPIRAL
FILLED
WITH
EDGE-ABSORBING
MATERIAL
*
251
733.2
K
PLANAR
EQUIANGULAR
HELIX
ANTENNA
WITH
HIGH
POWER
CAPACITY
*
254
7.4 CONICAL
LOGISTIC-SPIRAL
ANTENNA
*
255
7.4.1
ANTENNA
STRUCTURE
-----
255
7.4.2
ELECTRICAL
PROPERTIES
*
256
XII
*
CONTENTS
7.4.2.1
IMPEDANCE
-----
256
7.4.2.2
WORKING
BANDWIDTH
-----
257
7.4.2.3
POLARIZATION
*
257
7.4.2.4
DIRECTIVITY
-----
258
7.4.3
DESIGN
EXAMPLES
*
259
7.5
OTHER
TYPES
OF
FREQUENCY-INDEPENDENT
CIRCULAR
POLARIZATION
ANTENNA
*
263
7.5.1
LOG-PERIODIC
CP
ANTENNA
*
264
7.5.1.1
BASIC
STRUCTURE
OF
LOG-PERIODIC
ANTENNA
*
264
7.5.1.2
EXAMPLE
OF
LOG-PERIODIC
CP
ANTENNA
*
266
7.5.2
SINUSOIDAL
CIRCULARLY
POLARIZED
ANTENNA
*
268
7.5.2.1
BASIC
STRUCTURE
OF
SINUSOIDAL
CIRCULARLY
POLARIZED
ANTENNA
*
268
7.5.2.2
EXAMPLES
OF
SINUSOIDAL
CIRCULARLY
POLARIZED
ANTENNAS
*
271
REFERENCES
*
273
CHAPTER
8
CIRCULARLY
POLARIZED
HORN
ANTENNAS
*
275
8.1
CIRCULAR
POLARIZER
TYPES
*
275
8.1.1
SCREW
CIRCULAR
POLARIZER
*
276
8.1.2
DIAPHRAGM
CIRCULAR
POLARIZER
*
276
8.1.3
BAFFLE
CIRCULAR
POLARIZER
*
277
8.1.4
DIELECTRIC
PLATE
CIRCULAR
POLARIZER
*
279
8.1.5
RESONANT
CAVITY
CIRCULAR
POLARIZER
*
280
8.2
COMMON
HORN
ANTENNA
*
281
8.2.1
DUAL-MODE
CONICAL
HORN
ANTENNA
*
281
8.2.2
MULTIMODE
CONICAL
HORN
ANTENNA
*
282
8.2.3
CORRUGATED
HORN
ANTENNA
*
283
8.2.3.1
SMALL
FLARE
ANGLE
HORN
*
283
8.2.3.2
LARGE
FLARE
ANGLE
HORN
*
284
8.2.3.3
AXIAL
GROOVE
CORRUGATED
HORN
*
285
8.3
CIRCULARLY
POLARIZED
HORN
ANTENNA
DESIGN
*
285
8.3.1
DESIGN
OF
BAFFLE
CIRCULAR
POLARIZER
*
286
8.3.2
DESIGN
OF
DUAL-MODE
CONICAL
HORN
ANTENNA
*
290
8.3.3
SIMULATION
RESULTS
OF
THE
DUAL
CIRCULARLY
POLARIZED
DUAL-MODE
CONICAL
HORN
ANTENNA
*
292
REFERENCES
*
294
CHAPTER
9
OMNIDIRECTIONAL
CIRCULARLY
POLARIZED
ANTENNA
*
296
9.1
OCP
ANTENNAS
USING
CIRCULAR
ARRAYS
OF
DIRECTIONAL
CIRCULARLY
POLARIZED
ANTENNA
ELEMENTS
*
297
CONTENTS
*
XIII
9.1.1
A
CONFORMAL
OMNIDIRECTIONAL
CIRCULARLY
POLARIZED
ANTENNA
USING
PATCH
ANTENNAS
*
297
9.1.2
A
BROADBAND
OCP
ANTENNA
-----
298
9.2
OCP
ANTENNAS
USING
CIRCULAR
ARRAYS
OF
OMNIDIRECTIONAL
ANTENNA
ELEMENTS
WITH
LINEAR
POLARIZATIONS
*
299
9.2.1
OCP
ANTENNA
USING
SLANT
OR
BENDED
DIPOLES
*
301
9.2.2
OCP
ANTENNA
WITH
HELIX
ANTENNAS
*
305
9.2.3
OCP
ANTENNA
UTILIZING
BENDED
MONOPOLES
*
309
9.3
OTHER
FORMS
OF
OCP
ANTENNAS
*
313
9.3.1
OCP
ANTENNAS
BASED
ON
ZERO-ORDER
RESONANT
ANTENNAS
*
313
9.3.2
OCP
ANTENNAS
BASED
ON
OMNIDIRECTIONAL
CONE
ANTENNAS
FED
BY
CP
WAVES
*
315
REFERENCES
*
317
CHAPTER
10
CIRCULARLY
POLARIZED
RADIAL
LINE
ARRAY
ANTENNA
*
319
10.1
STRUCTURE
AND
BASIC
PRINCIPLE
OF
RADIAL
ANTENNA
*
319
10.1.1
STRUCTURE
OF
RADIAL
LINE
ANTENNA
*
319
10.1.2
RADIAL
TRANSMISSION
MODE
*
320
10.1.3
CONCENTRIC
RING
ARRAY
THEORY
*
322
10.2
DESIGN
OF
CIRCULARLY
POLARIZED
RADIAL
LINE
ARRAY
ANTENNA
*
324
10.2.1
ANTENNA
GEOMETRY
-----
324
10.2.2
RELATIONSHIP
BETWEEN
THE
SLOW
WAVE
STRUCTURE
AND
THE
WAVEGUIDE
STRUCTURE
-----
325
10.2.3
APERTURE
FIELD
DISTRIBUTION
*
327
10.2.4
DERIVATION
OF
POSITION
ALIGNMENT
OF
GAP
*
328
10.2.5
REALIZATION
OF
DUAL-CIRCULAR
POLARIZATION
RADIAL
SLOT
ARRAY
ANTENNA
-----
330
10.2.6
CIRCULARLY
POLARIZED
RADIAL
LINE
HELICAL
ARRAY
ANTENNA
*
336
REFERENCES
*
337
INDEX
*
339 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Wang, Yufeng |
| author_facet | Wang, Yufeng |
| author_role | aut |
| author_sort | Wang, Yufeng |
| author_variant | y w yw |
| building | Verbundindex |
| bvnumber | BV046951456 |
| classification_rvk | ZN 6440 ZN 6450 |
| ctrlnum | (OCoLC)1224483548 (DE-599)DNB1211903419 |
| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
| discipline_str_mv | Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Book |
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| id | DE-604.BV046951456 |
| illustrated | Illustrated |
| index_date | 2024-07-03T15:41:18Z |
| indexdate | 2024-07-10T08:58:25Z |
| institution | BVB |
| institution_GND | (DE-588)10095502-2 |
| isbn | 3110561182 9783110561180 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-032359965 |
| oclc_num | 1224483548 |
| open_access_boolean | |
| owner | DE-29T DE-83 |
| owner_facet | DE-29T DE-83 |
| physical | XIII, 340 Seiten Illustrationen, Diagramme 24 cm x 17 cm |
| publishDate | 2021 |
| publishDateSearch | 2021 |
| publishDateSort | 2021 |
| publisher | De Gruyter National Defense Industry Press |
| record_format | marc |
| spelling | Wang, Yufeng Verfasser aut Circularly polarized antenna technology Yufeng Wang Berlin ; Boston De Gruyter [2021] [Beijing] National Defense Industry Press © 2021 XIII, 340 Seiten Illustrationen, Diagramme 24 cm x 17 cm txt rdacontent n rdamedia nc rdacarrier Antenne (DE-588)4002210-9 gnd rswk-swf Zirkularpolarisation (DE-588)4217953-1 gnd rswk-swf Antenne (DE-588)4002210-9 s Zirkularpolarisation (DE-588)4217953-1 s DE-604 Walter de Gruyter GmbH & Co. KG (DE-588)10095502-2 pbl Erscheint auch als Online-Ausgabe, EPUB 978-3-11-056156-2 Erscheint auch als Online-Ausgabe, PDF 978-3-11-056280-4 X:MVB https://www.degruyter.com/books/9783110561180 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=032359965&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Wang, Yufeng Circularly polarized antenna technology Antenne (DE-588)4002210-9 gnd Zirkularpolarisation (DE-588)4217953-1 gnd |
| subject_GND | (DE-588)4002210-9 (DE-588)4217953-1 |
| title | Circularly polarized antenna technology |
| title_auth | Circularly polarized antenna technology |
| title_exact_search | Circularly polarized antenna technology |
| title_exact_search_txtP | Circularly polarized antenna technology |
| title_full | Circularly polarized antenna technology Yufeng Wang |
| title_fullStr | Circularly polarized antenna technology Yufeng Wang |
| title_full_unstemmed | Circularly polarized antenna technology Yufeng Wang |
| title_short | Circularly polarized antenna technology |
| title_sort | circularly polarized antenna technology |
| topic | Antenne (DE-588)4002210-9 gnd Zirkularpolarisation (DE-588)4217953-1 gnd |
| topic_facet | Antenne Zirkularpolarisation |
| url | https://www.degruyter.com/books/9783110561180 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=032359965&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT wangyufeng circularlypolarizedantennatechnology AT walterdegruytergmbhcokg circularlypolarizedantennatechnology |