Micowave and Millimeter Wave Technologies Modern UWB antennas and equipment Part 1 ppt

... transmission (about 1. 5 ns for the 4.8 - 6 .1 GHz band). -40 -30 -20 -10 0 10 0 30 60 90 12 0 15 0 18 0 210 240 330 z x -40 -30 -20 -10 0 10 0 30 60 90 12 0 15 0 18 0 210 240 330 z y Fig. 14 . Measured radiation ... 0- 412 -57870-0, London, UK. Microwave and Millimeter Wave Technologies: Modern UWB antennas and equipment 20 1. 1 Advantages of UWB UWB communi...

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... 0 .13 8 21. 55 7.5 0.824 0 .14 6 16 .77 8 0.865 0 .15 7 12 .13 8.5 0.892 0 .16 5 9.29 9 0. 918 0 .16 9 6. 91 9.5 0.935 0 .17 4 5.33 10 0.943 0 .17 9 4.55 10 .5 0.957 0 .18 2 3.38 11 0.964 0 .18 5 2.79 Table 1. ... 0 .13 8 21. 55 7.5 0.824 0 .14 6 16 .77 8 0.865 0 .15 7 12 .13 8.5 0.892 0 .16 5 9.29 9 0. 918 0 .16 9 6. 91 9.5 0.935 0 .17 4 5.33 10 0.943 0 .17 9 4.55 10 ....

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... 0.79 ~ 9 .16 11 .0 :1 11. 6 :1 5 Elliptical monopole of a=60mm [24] 0.58 ~ 9.54 0.64 ~ 8.94 16 .4 :1 14.0 :1 6 Elliptical monopole of a =12 0mm [24] 0.4 ~ 9. 51 0. 41 ~ 8.86 23.8 :1 21. 6 :1 Table 1. Comparison ... 0.79 ~ 9 .16 11 .0 :1 11. 6 :1 5 Elliptical monopole of a=60mm [24] 0.58 ~ 9.54 0.64 ~ 8.94 16 .4 :1 14.0 :1 6 Elliptical monopole of a =12 0mm [24] 0.4 ~...

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... frequency bandwidth of 6 -13 GHz. Microwave and Millimeter Wave Technologies: Modern UWB antennas and equipment 82 [44]K H. Kim, Y J. Cho, S H. Hwang and S O. Park. Band-notched UWB planar monopole ... 2009, 45 (13 ) Microwave and Millimeter Wave Technologies: Modern UWB antennas and equipment 84 architecture is discussed, also design and implementation procedures of all microwave...

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... No. VSWR Element No. VSWR 1 1 .18 9 1. 12 2 1. 2 10 1. 13 3 1. 18 11 1. 11 4 1. 15 12 1. 13 5 1. 13 13 1. 14 6 1. 11 14 1. 2 7 1. 12 15 1. 17 8 1. 11 16 1. 17 Table 3. Measured VSWR of each element in ... -4 -3 -2 -1 0 1 2 3 4 5 -2.5 -2 -1. 5 -1 -0.5 0 0.5 1 1.5 2 2.5 u v (b) -2 -1. 5 -1 -0.5 0 0.5 1 1.5 2 -3.5 -3 -2.5 -2 -1. 5 -1 -0.5 0 x/...

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... of moments”. 11 Microwave and Millimeter Wave Technologies: Modern UWB antennas and equipment 218 and it should be less than U CISPR , which is given by standard CISPR 16 -4-2 and which is 5.2dB. ... 800 10 00 -1. 0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1. 0 h = 1m h = 2m h = 3m h = 4m h = 1 4m scan  AF (dB) f (MHz) Microwave and Millimeter Wave Technologies: Modern UWB an...

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... (Mar. 19 61) 18 7 -19 2, ISSN 0096 -19 73 Microwave and Millimeter Wave Technologies: Modern UWB antennas and equipment 234 0 10 20 30 40 50 60 -13 .4 -13 .2 -13 -12 .8 -12 .6 -12 .4 -12 .2 -12 -11 .8 -11 .6 -11 .4  0 ... 1 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 0 0.2 0.4 0.6 0.8 1 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 0 0.2 0.4 0.6 0.8 1 -20 -18...

Ngày tải lên: 21/06/2014, 11:20

... A 1 0 0 0 0 .13 0 0 0.22 A 0.5 1. 40 1. 36 1. 19 1. 68 1. 31 1.47 1. 35 A 0 .1 15 . 01 13.98 14 .55 13 .66 12 .86 13 .02 12 .73 A 0.05 22.34 19 .96 21. 89 21. 64 20.78 21. 49 19 .84 A 0. 01 38.95 37 .11 36.67 ... – 1 0.75 0.7089 11 68 1 – 2 1. 5 1. 447 829 2 – 4 3 2.799 957 4 – 8 6 5.640 892 8 – 16 12 11 .06 420 16 – 32 24 22 .12 4 71 32 – 64 48 44 ....

Ngày tải lên: 21/06/2014, 11:20

... |S 11 | (=|S 22 |) for low frequencies and |S 11 | and |S 33 | for high frequencies. 8 10 12 14 16 -20 -15 -10 -5 0 |S| [dB] Frequency [GHz] S 21 (=S 12 ) S 31 S 21 Fig. 14 . |S 21 | (=|S 12 |) ... |S 11 | (=|S 22 |) for low frequencies and |S 11 | and |S 33 | for high frequencies. 8 10 12 14 16 -20 -15 -10 -5 0 |S| [dB] Frequency [GHz] S 21...

Ngày tải lên: 21/06/2014, 11:20

... 10 12 14 16 18 0 2 0 1E -14 1E -13 1E -12 1E -11 1E -10 1E-9 1E-8 1E-7 1E-6 1E-5 1E-4 1E-3 1E-2 1E -1 1E -15 1 E b /N o (dB) BER 600 KHz < 200 KHz ideal Microwave and Millimeter Wave Technologies: Modern UWB antennas and equipment 396 ... respectively: 2 4 6 8 10 12 14 16 18 0 2 0 1E -14 1E -13 1E -12 1E -11 1E -10 1E-9 1E-8 1E-7 1E-6 1E-5 1E-4 1E-3 1E-2...

Ngày tải lên: 21/06/2014, 11:20