Introduction To Radar – 1 – 6

26. Ideal value of SNR in dB is :

(a) ∞
(b) zero
(c) – ∞
(d) 10

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

27. The cross-section of chaff is :

(a) small
(b) high
(c) zero
(d) infinity

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

28. Matched filter is :

(a) a low pass-filter
(b) a high-pass filter
(c) used to optimize SNR
(d) used to reduce SNR

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

29. Clutter is :

(a) a unwanted echo
(b) a desired echo
(c) a target
(d) a radar beam

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

30. Pulse compression :

(a) increases bandwidth
(b) decreases bandwidth
(c) increases range resolution
(d) increases cross-range resolution

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

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