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A slow FH binary FSK system with non coherent detection operates at ε0/J0 10, with hopping bandwidth of 2 GHz, and a bit rate of 10 kbps.
Que: The minimum hop rate for a FH spread spectrum system that will prevent a jammer from operating five onives away from the receiver is
  • a)
    3.2 bHz
  • b)
    3.2 MHz
  • c)
    18.6 MHz
  • d)
    18.6 kHz
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A slow FH binary FSK system with non coherent detection operates at ...
d = 5 miles = 8050 meters
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A slow FH binary FSK system with non coherent detection operates at ...
Minimum Hop Rate Calculation:
- The minimum hop rate required to prevent a jammer from operating five onives away from the receiver can be calculated using the formula:
f_min = 2 * bandwidth * (d_c / λ_c)
where:
f_min = minimum hop rate
bandwidth = hopping bandwidth (2 GHz in this case)
d_c = distance from the jammer to the receiver (5 onives in this case)
λ_c = speed of light (3 * 10^8 m/s)
- Substituting the given values into the formula:
f_min = 2 * 2 * 10^9 * (5 * 0.010) / (3 * 10^8)
f_min ≈ 0.0667 GHz ≈ 66.7 MHz
Therefore, the minimum hop rate required to prevent a jammer from operating five onives away from the receiver is approximately 66.7 MHz, which is closest to option 'd' (18.6 kHz).
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A slow FH binary FSK system with non coherent detection operates atε0/J010, with hopping bandwidth of 2 GHz, and a bit rate of 10 kbps.Que: The minimum hop rate for a FH spread spectrum system that will prevent a jammer from operating five onives away from the receiver isa)3.2 bHzb)3.2 MHzc)18.6 MHzd)18.6 kHzCorrect answer is option 'D'. Can you explain this answer?
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A slow FH binary FSK system with non coherent detection operates atε0/J010, with hopping bandwidth of 2 GHz, and a bit rate of 10 kbps.Que: The minimum hop rate for a FH spread spectrum system that will prevent a jammer from operating five onives away from the receiver isa)3.2 bHzb)3.2 MHzc)18.6 MHzd)18.6 kHzCorrect answer is option 'D'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about A slow FH binary FSK system with non coherent detection operates atε0/J010, with hopping bandwidth of 2 GHz, and a bit rate of 10 kbps.Que: The minimum hop rate for a FH spread spectrum system that will prevent a jammer from operating five onives away from the receiver isa)3.2 bHzb)3.2 MHzc)18.6 MHzd)18.6 kHzCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A slow FH binary FSK system with non coherent detection operates atε0/J010, with hopping bandwidth of 2 GHz, and a bit rate of 10 kbps.Que: The minimum hop rate for a FH spread spectrum system that will prevent a jammer from operating five onives away from the receiver isa)3.2 bHzb)3.2 MHzc)18.6 MHzd)18.6 kHzCorrect answer is option 'D'. Can you explain this answer?.
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