26. Ideal value of SNR in dB is :
(a) ∞
(b) zero
(c) – ∞
(d) 10
27. The cross-section of chaff is :
(a) small
(b) high
(c) zero
(d) infinity
28. Matched filter is :
(a) a low pass-filter
(b) a high-pass filter
(c) used to optimize SNR
(d) used to reduce SNR
29. Clutter is :
(a) a unwanted echo
(b) a desired echo
(c) a target
(d) a radar beam
30. Pulse compression :
(a) increases bandwidth
(b) decreases bandwidth
(c) increases range resolution
(d) increases cross-range resolution
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