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Which effect results when a dielectric window impedance mismatch occurs in radar propagation?

A)Increased signal reflection and diminished range
B)Enhanced refractive focusing of beamwidth
C)Doppler shift increases exponentially
D)Complete signal absorption within waveguide

💡 Explanation

Increased signal reflection and diminished range result because the mismatched impedance during propagation leads to Fresnel reflection at the interface, therefore the signal amplitude reduces, rather than being amplified as would happen with focusing.

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