3. Which of the following does Shannon capacity formula give in a communication channel? A) theoretical highest bandwidth B) theoretical minimum bandwidth C) theoretical highest data rate D) theoretical minimum data rate E) maximum number of antennas 4. In FDM (frequency division multiplexing), if five signals are to be multiplexed, at least how many carriers, each of a different frequency, must be modulated? A) 1 B) 10 C) 6 D) 5 E) 15 5. When a signal changes its form and shape, what is this type of transmission impairment referred to as? A) co-channel interference B) attenuation C) noise D) distortion E) intersymbol interference 6. Which of the following describes the source encoding best? A) eliminating redundant information from the digital signals B) converting digital signals to analog signals C) sending a file from one computer to another computer D) varying properties of a periodic waveform for transmission E) converting analog signals to digital signals 7. Which of the following terms has a different meaning than the others? A) data rate B) bit rate C) symbol rate D) sampling rate E) baud
Added by Mutaz A.
Close
Step 1
The Shannon capacity formula gives the theoretical highest data rate (C) in a communication channel. It is a measure of the maximum data that can be transmitted over a given channel without error. Show more…
Show all steps
Your feedback will help us improve your experience
Hubert Agamasu and 83 other AP CS educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Q13: A 200 KHz carrier signal is frequency modulated by sinusoid such that the peak frequency deviation is 150 Hz. (a) What is the bandwidth? (b) The above FM signal is applied to a 16 frequency multiplier. By what factor is the bandwidth increased? (Use Carson's rule). (c) The FM signal of (b) is applied to a second 16 frequency multiplier. By what factor is the bandwidth increased over parts (a) and (b)? (d) Estimate the number of significant sidebands possible in the FM signal of part (c) above. Ans: (a) 23 KHz (b) 2.96 (c) 344 (d) 1.6 (d) 39.
Penny R.
Q1: Choose the best answer that completes the statement or answers the question (answer 5 only): 1. An audio signal has bandwidth of 5.8 MHz encoded by PCM. Given the total number of bits to represent a level are 8 bits, the total number of levels is A. 10.4 B. 256 2. An audio signal has bandwidth of 5.8 MHz encoded by PCM. Given the total number of bits to represent a level are 9 bits, the bit rate is approximately A. 6 Mbps B. 104 Mbps 3. An audio signal has bandwidth of 5.8 MHz encoded by PCM. Given the total number of bits to represent a level are 9 bits, the PCM bandwidth is A. 1.522 MHz B. 8 MHz C. 5.8 MHz 4. A binary channel with bit rate of 36 kbps is available for PCM voice transmission with message frequency of 3.2 kHz. The number of bits is A. 32 bits B. 6 bits 5. A binary channel with bit rate of 36 kbps is available for PCM voice transmission with message frequency of 3.2 kHz. The number of quantization levels is A. 1.32 levels B. 64 levels C. 128 levels
Manish J.
A spectrum analyzer is used to verify an FM signal with a carrier frequency of 100.3 MHz, a modulation frequency of 15 kHz, and a modulation index of mf = 2.4. Determine the following: (a) The number of significant sideband pairs (b) Predict the spectrum analyzer display for the signal and show the relative amplitudes of each sideband pair (c) Compute the frequency deviation, δ
Recommended Textbooks
Computer Science and Information Technology
Introduction to Programming Using Python
Computer Science - An Overview
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD