ENGL 299 Chapter Notes - Chapter 3: Binary Logarithm, Bit Rate, Liquid Oxygen

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11 Apr 2023
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Use your class notes and text book to complete this work sheet. You can discuss questions with other students and instructor. Submit your answers (word document) to angel using the drop box before the deadline. Channel and information capacity: ideal channel (noiseless channel): according to nyquist theorem, the maximum numbers of bits (i. e. , Theoretical limit) that can be transmitted over an ideal communication link cannot exceed to. M: # of discreet levels in a signal (depends on which modulation scheme we are using) 2b: baud rate or modulation rate (# of samples generated per seconds) log2(m) will provide how many bits transmitted per sample: practical channel (noisy channel) shannon theorem: For a practical channel, we must consider snr of the channel when measuring the channel capacity. Therefore, the above formula can be modified as: C: maximum number of bits can be transmitted per sec (bps) Snr (absolute): ratio of signal power to noise power.

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