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- のぶのすけ ほがり
- 9 years ago
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1 3-D Unitary ESPRIT 2
2
3 BS(Rx) 120 MS(Tx)
4
5 A/D ( ) ( ) 2 2 λ/ 3 λ 5.85[GHz] [kHz] 9.5[MHz] 12bit 20Ms/s 60[deg] 100[ns]
![500[kHz] 9.](/docs-images/52/20137812/images/page_5.jpg "5[MHz] 12bit 20Ms/s")
6 Rb atomic osc. 10MHz IF Local 880MHz RF Local 4970MHz 2 way Power Splitter RF 5850MHz RF 5850MHz (+ f d Hz) 1 ch I/Q Modulator BPF f 2 ch I/Q Arbitrary Waveform Modulator Generator BPF IF Local 880MHz(+ Hz) f d
7 3D Unitary ESPRIT 2 4 ele4 ele3 ele2 ele1 λ ele8 ele7 ele6 ele5 λ/ 3
8 RF Local 5845MHz Rb atomic osc. 10MHz Clock 40MHz Power Splitter Trigger 250kHz PC DMA A/D Conv. LNA LNA PRE AMP PRE AMP LPF LPF IF AMP IF AMP LPF LPF LNA LNA PRE AMP PRE AMP LPF IF AMP LPF IF AMP fcut=1.2ghz LPF LPF fcut=10.7mhz fif=5mhz
9 1 Esrimated AoA [deg] Rotator Angle [deg] 4m Rotator Angle [deg] 60
![Rotator Angle [deg] 4m 20 15 10](/docs-images/52/20137812/images/page_9.jpg "5 0-30 -20-10 Rotator Angle")
10 2 f d 1[Hz] 50 (4m) PC A D C Receiver 4 way Power Splitter ATT Power Combiner Transmitter
11 SNR 30dB Delay Difference : 0[ns] Delay Difference : 5.26[ns] Delay Difference : 10.53[ns]
12 Delay Difference : 15.79[ns] Delay Difference : 21.05[ns] Delay Difference : 26.32[ns] Delay Difference : 31.58[ns]
![05[ns] Delay Difference : 26.](/docs-images/52/20137812/images/page_12.jpg "32[ns] Delay Difference : 31.")
13 [ 0.15] Delay Difference : 0[ns] SNR 30dB Delay Difference : 5.26[ns] Delay Difference : 10.53[ns]
14 Delay Difference : 15.79[ns] Delay Difference : 21.05[ns] Delay Difference : 26.32[ns] Delay Difference : 31.58[ns]
![05[ns] Delay Difference : 26.](/docs-images/52/20137812/images/page_14.jpg "32[ns] Delay Difference : 31.")
15 SNR 30dB Delay Difference [ns] mesurement Delay Difference [ns] mesurement
16 2 4m
17 Azimuth Angle Difference : 20[deg] Estimated AoA [deg] Estimated AoA [deg] Azimuth Angle Difference : 25[deg] Estimated AoA [deg] Azimuth Angle Difference : 30[deg]
![[deg] Azimuth Angle Difference : 25[deg] 40 30 20 10 0-10](/docs-images/52/20137812/images/page_17.jpg "-20-30 Estimated AoA [deg] Azimuth Angle Difference :")
18 [ 0.15] Estimated AoA [deg] Azimuth Angle Difference : 8[deg] Estimated AoA [deg] Azimuth Angle Difference : 10[deg] Estimated AoA [deg] Azimuth Angle Difference : 12[deg]
![AoA [deg] Azimuth Angle Difference : 10[deg] 30 20 10 0-10](/docs-images/52/20137812/images/page_18.jpg "-20-30 Estimated AoA [deg] Azimuth Angle Difference :")
19 Estimated AoA [deg] Estimated AoA [deg] Azimuth Angle Difference : 15[deg] Azimuth Angle Difference : 20[deg]
![AoA [deg] Azimuth Angle Difference :](/docs-images/52/20137812/images/page_19.jpg "15[deg] Azimuth Angle Difference :")
20 Azimuth Angle Difference [deg] 35 mesurement Estimated AoA [deg] Azimuth Angle Difference [deg] 25 mesurement Estimated AoA [deg]
![Azimuth Angle Difference [deg] 25 mesurement 20 15](/docs-images/52/20137812/images/page_20.jpg "10 5 30 20 10 0-10 Estimated AoA [deg] -20-30 2 2")
21 IF 2 2
22 { 60[deg] [ns] Angle Difference 3-D Unitary ESPRIT Delay Difference 1
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