Reflected Incident Mine Transmitted (a) Figure 3: Mine buried under the subsurface 4. UNIFORM PLANE WAVES AT MEDIA INTERFACE: An airborne sensor transmits vertically downward, a plane wave at 1 MHz,...

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Extracted text: Reflected Incident Mine Transmitted (a) Figure 3: Mine buried under the subsurface 4. UNIFORM PLANE WAVES AT MEDIA INTERFACE: An airborne sensor transmits vertically downward, a plane wave at 1 MHz, to detect a mine buried under the soil (configuration shown in Fig.3). The incident electric field is z oriented and its magnitude is 1000 V/m whereas (e, = 81, µl, = 1 and o = 4 S/m) for the soil. (a) calculate the propagation constant for both media i.e. Y1 and y2 (b) calculate the reflection (T) and transmission (T) coefficients (c) if a minimum signal level of 10-5 V/m is required under the subsurface for successful detection, within what depth the mine should be located? (d) express in phasor form, the incident, reflected and transmitted vectors for the electric field only