WILEY ANTENNAS FOR PORTABLE DEVICES phần 8 ppsx
Antennas for Portable Devices doc
... http://www.simpopdf.com
ANTENNAS FOR PORTABLE DEVICES
Zhi Ning Chen
Institute for Infocomm Research
Singapore
Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com
2
Handset Antennas
Brian ... always
outperforms the PC card version. This chapter emphasizes practicality by extensive measure-
ments and using actual laptop antennas.
Chapter 5 introduces the ant...
Rails for Java Developers phần 8 ppsx
... http://manuals.rubyonrails.com/read/book/17
Capistrano is a Ruby-based deployment automation tool. Although developed
for Ruby and Rails, it can deploy applications for other language platforms as
well. ... better performance.
ã Java interop with other platforms has been much more tested.
CONTINUOUS INTEGRATION WITH CERBERUS 243
8. 5 Continuous Integration with Cerberus
Rake is an ex...
Windows Vista for IT Professionals phần 8 ppsx
... Management Features in Windows Vista
Windows Vista builds on the monitoring and management capabilities of Microsoft
Windows XP. Many of the monitoring and management capabilities of Windows XP
have ... Describe the benefits of monitoring and management.
ã Describe Windows Vista features for monitoring and management.
Session 2: User Productivity Enhancements in Wind...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 1 docx
... Phone + data
15 75 MHz GPS Geolocation
17 10 18 80 MHz 18 00 MHz Phone + data
18 50 19 90 MHz 19 00 MHz Phone + data
19 00– 217 0 MHz 210 0 MHz Phone + data
17 10– 217 0 MHz
(18 00, 19 00 and 210 0 MHz) High ... on Bandwidth 14 9
4 .10 .2 A WWAN Dualband Example 15 2
4 .11 Ultra-Wide Band Antennas 15 7
4 .11 .1 Description of the UWB Antenna 15 9
4 .11 .2 UWB Antenna Measureme...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 2 ppt
... fit trendline (-3bB)
Figure 2. 8 Relationship between bandwidth and antenna height at 890 MHz.
26 Handset Antennas
0.0
25 .0
50.0
75.0
100.0
125 .0
150.0
175.0
20 0.0
22 5.0
4567891011
Antenna Thickness ... the same
Figure 2. 6 Typical antenna positions on slider phones.
2. 5 Efficiency and Extended Bandwidth 25
0.0
50.0
100.0
150.0
20 0.0
25 0.0
70 75 80 85 90 95 100 105 110...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 3 ppt
... MWF
Frequency 30 –400 kHz 3 30 MHz 30 0 MHz 3 GHz 1 30 GHz
Typical RFID
frequency
125– 134 kHz 13. 56 MHz 433 MHz or 865 –
956 MHz
2.45 GHz
Approximate
reading
distance
less than 0.5 m Up to 1.5 m 433 MHz: ... Hoboken, NJ: Wiley Interscience, 20 03.
[32 ] Hybrid antenna using parasitic excitation of conducting antennas by dielectric antennas. Patent application WO
2004/114462 (Ante...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 4 pot
... 0.8222 −0.85 04 −30.0 0.0316 0.9990 −0.0 043
−8.0 0.3981 0. 841 5 −0. 749 4 −35.0 0.0178 0.9997 −0.0013
−8.5 0.3758 0.8587 −0.66 14 40 .0 0.0100 0.9999 −0.00 04
−9.0 0.3 548 0.8 741 −0.5 844 45 .0 0.0056 ... −0 .45 76
−0.5 0. 944 1 0.1087 −9.6357 −11.0 0.2818 0.9206 −0.35 94
−1.0 0.8913 0.2057 −6.8683 −12.0 0.2512 0.9369 −0.2830
−1.5 0. 841 4 0.2921 −5. 345 4 −13.0 0.2239 0. 949 9 −0.223...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 5 ppsx
... (dB) 5 55 55 55 55 5
Receiver noise figure (dB) 136136136136136
Data rate (Mbps) 11000 11000 55 00 2000 1000
Required E
b
/N
o
(dB) 808 05 020 −10
Rayleigh fading (dB) 7 57 57 57 57 5
Receiver ... 1.1 35 2.440 5. 2
MdispSideLeftBot 2 .56 1 −1.9 2. 450 3 .5 35 2.444 2.2 35 2.426 5. 4
MdispBackLeftTopVer 2.477 −0.9 2.498 3 .5 15 2.417 0.7 20 2.417 5. 0
MdispBackLeftCenVer...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 6 doc
... 43 36
15 42 31 51 34 46 35 45 26
20 40 22 52 32 45 35 45 26
25 41 33 49 29 43 30 48 22
30 37 21 46 30 43 30 46 24
35 42 22 43 31 42 29 45 20
40 34 23 46 23 42 23 46 27
45 37 29 46 25 42 25 46 28
(From ... performance [6, 59 62 ]. Many antenna types for portable applications
are variations of the INF antenna; and many dualband or even triband antennas are extensions
of the INF...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 7 pdf
... ì10
7
Lymph 572 1 97 1040 3960 0515 7. 50 ì10
6
Muscle membrane 429159 1040 3500 0600 8.30 ì10
6
Muscle 5 271 74 10 47 3500 0600 8.30 ì10
6
Stomach 622221 1050 3500 05 27 6. 67 ì10
6
Glands 572 1 97 1050 ... 430169 1030 3600 04 97 1. 67 ì10
5
Gall bladder 576 206 1030 3500 0600 8.30 ì10
6
Bone (cortical) 448210 1038 1300 0436 4.20 ì10
7
Cartilage 388 176 10 97 1300 0436 4.20 ì...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 8 ppsx
... absorption rate (SAR)
for proximate antennas [ 18] and the propagation on and off the body for use in mobile
phones [19].
6.2.1 Wearable Antennas for BANs/PANs
6.2.1.1 Progress in Wearable Antennas
Although ... efficient directive
antennas with main radiating beam conformal to the human torso are needed to maximally
stabilize the channel (Figure 6.17).
200 Antennas for Wear...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 9 potx
... dBi)
180°
90 °
–20
9 GHz
0
90 °
θ = 0°(20 dBi)
180°
90 °
7 GHz
(d)
–10
0
E
θ
, φ = 0°
E
φ
, φ = 0°
E
θ
, φ = 90 °
E
φ
, φ = 90 °
–10
0
90 °
3 GHz
θ = 0°(10 dBi)
180°
90 °
–10
90 °
θ = 0°(10 dBi)
180°
90 °
5 ... 242 Antennas for UWB Applications
(c)
7 GHz
0
0
E
θ
, φ = 0°
E
φ
, φ = 0°
E
θ
, φ = 90 °
E
φ
, φ = 90 °
90 °
3 GHz
θ = 0°(20 dBi)
180°
90 °
–20
–20
90 °
θ = 0°(20...
WILEY ANTENNAS FOR PORTABLE DEVICES phần 1- potx
... Designs
Omnidirectional radiation performance is important for portable UWB devices, but the
antennas with stable directional radiation may also be of interest, for instance, in portable
radar apparatus. ... the design. Therefore, this chapter started with a
discussion of the special design considerations for UWB antennas. In accordance with these
considerations, antennas suit...
User Interface Design for Mere Mortals PHẦN 8 ppsx
... and easily.
Designing a User Interface 195
Form Processing
One example of content driving the transaction is a Web site form, an exam-
ple of which is shown in Figure 8. 8. This form contains ... specific user interface that the customer is already used to
or requires, you should design your user interface to that standard.
Your user testing may also determine that, although...
Renewable energy technologies for developing countries phần 8 ppsx
... generation. Energy cost
was estimated in 1 984 at 39 to 43 mils/kWh for OTEC-generated electricity
versus 28 mils for nuclear, 36 mils for coal and 90 mils for oil.
- 68 -
systems since 1 986 . These ... 6
SOME OTHER LIKELY RENEWABLE
SOURCES FOR
DEVELOPING COUNTRIES
1. Geothermal energy
The organized utilization of geothermal energy, from hot springs &
underground...
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