Automatic Search Algorithms for Near-Field Ferromagnetic Targets Based on Magnetic Anomaly Detection

Figure 8

Automatic space search paths based on gradient of magnetic anomaly with a geomagnetic field direction along the vector n=(√2,1,-1). (a) Automatic space search paths based on gradient of MMA; (b) automatic space search paths based on gradient of MVA; (c)-(e) top view, side view, and front view of figure (a); (f)-(h) top view, side view, and front view of figure (b).

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