Key Topic 92: Range, Pulse Width, & Repetition Rate

Question 1

3-92O1: When a RADAR is being operated on the 48 mile range setting, what is the most appropriate pulse width (PW) and pulse repetition rate (pps)?

A. 1.0 μs PW and 2,000 pps.
B. 0.05 μs PW and 2,000 pps.
C. 2.5 μs PW and 2,500 pps.
D. 1.0 μs PW and 500 pps.

Answer 1

D. 1.0 μs PW and 500 pps.

Question 2

3-92O2: When a RADAR is being operated on the 6 mile range setting what is the most appropriate pulse width and pulse repetition rate?

A. 1.0 μs PW and 500 pps.
B. 2.0 μs PW and 3,000 pps.
C. 0.25 μs PW and 1,000 pps.
D. 0.01 μs PW and 500 pps.

Answer 2

C. 0.25 μs PW and 1,000 pps.

Question 3

3-92O3: We are looking at a target 25 miles away. When a RADAR is being operated on the 25 mile range setting what is the most appropriate pulse width and pulse repetition rate?

A. 1.0 μs PW and 500 pps.
B. 0.25 μs PW and 1,000 pps.
C. 0.01 μs PW and 500 pps.
D. 0.05 μs PW and 2,000 pps.

Answer 3

A. 1.0 μs PW and 500 pps.

Question 4

3-92O4: What pulse width and repetition rate should you use at long ranges?

A. Narrow pulse width and slow repetition rate.
B. Narrow pulse width and fast repetition rate.
C. Wide pulse width and fast repetition rate.
D. Wide pulse width and slow repetition rates.

Answer 4

D. Wide pulse width and slow repetition rates.

Question 5

3-92O5: What pulse width and repetition rate should you sue at short ranges?

A. Wide pulse width and fast repetition rate.
B. Narrow pulse width and slow repetition rate.
C. Narrow pulse width and fast repetition rate.
D. Wide pulse width and slow repetition rates.

Answer 5

C. Narrow pulse width and fast repetition rate.

Question 6

3-92O6: When a RADAR is being operated on the 1.5 mile range setting, what is the most appropriate pulse width and pulse repetition rate?

A. 0.25 μs PW and 1,000 pps.
B. 0.05 μs PW and 2,000 pps.
C. 1.0 μs PW and 500 pps.
D. 2.5 μs PW and 2,500 pps.

Answer 6

B. 0.05 μs PW and 2,000 pps.