Chapter 3: Vehicle-Mounted GPR System for Landmine Detection

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44 3. Vehicle-Mounted GPR System for Landmine Detection 0 4 Depth [mm] 100 200 300 2 0 −2 400 800 1000 1200 1400 1600 Y Position [mm] (a) 1200 −4 2 X Position [mm] 1000 800 600 400 800 1000 1200 1400 1600 Y Position [mm] (b) Fig. 3.16: Processed images. Vertical slice at x=1100 mm (a), and horizontal depth slice at a depth of 2 cm (b). 1 0 −1 −2
3.5 Experimental Results 45 10 Amplitude 0 −10 0 200 400 600 10 Depth [mm] (a) Amplitude 5 10 0 0 200 400 600 Depth [mm] (b) Amplitude 5 Amplitude 0 0 200 400 600 1 0.5 Depth [mm] (c) 0 0 200 400 600 Depth [mm] (d) Fig. 3.17: Depth traces at ( x, y ) =(1050, 1000) mm where a Type 72 landmine model is buried (solid lines) and at ( x, y ) =(800, 1000) mm where nothing is buried (broken lines). (a) Traces after migration, (b) envelopes of the traces, (c) moving averaged envelopes, and (d) normalized envelopes.
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Page 3 and 4: 3.2 Development of the System 29 fo
Page 5 and 6: 3.2 Development of the System 31 3.
Page 7 and 8: 3.2 Development of the System 33 Fr
Page 9 and 10: 3.2 Development of the System 35 (a
Page 11 and 12: 3.3 Image Reconstruction 37 N 1 Q()
Page 13 and 14: 3.4 Quick Detection Algorithm 39 1
Page 15 and 16: 3.5 Experimental Results 41 could d
Page 17: 3.5 Experimental Results 43 Fig. 3.

Chapter 3: Vehicle-Mounted GPR System for Landmine Detection

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