Question: QUESTION 15 1. Data compression algorithms are based on which concept(s)? a. Removal of redundant data bits (e.g., white space) b. Use of data formats/forms/templates

QUESTION 15

1. Data compression algorithms are based on which concept(s)?

a. Removal of redundant data bits (e.g., white space)

b. Use of data formats/forms/templates so that only data, and not formatting information, is sent

c. In text documents, identifying and using common character strings and abbreviations

d. All are correct

QUESTION 18

1.

_________ is noise caused when the frequency bandwidth of adjacent channels overlap with one another, thus causing distortion on each channel.

a. Thermal noise

b. Intermodulation noise

c. Cochannel interference

d. Impulse noise

QUESTION 19

1.

A receive system temperature is found to be 288 Kelvin over a frequency bandwidth of 36 kHz. Determine the thermal noise in decibels.

a. -137.96 dBW

b. 158.42 dBW

c. -158.42 dBW

d. 137.96 dBW

QUESTION 20

1.

Determine the SNR in decibels given a receive signal of 10E-6 watts, and [N]=-128 dBW.

a. 128dB

b. 48.41 dB

c. 78.41 dB

d. -98.41dB

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