1. A signal x₁(t) is band limited to 4.2 KHz and three other signals x₂(t), X3(t) and x4(t) are band limited to 1.4 KHz each. The signals are transmitted by TDM. a) Setup a TDM Scheme if the signals are sampled at Nyquist rate. b) Identify the speed of the Commutator in samples per second. c) Identify the minimum Bandwidth requirement of the channel 2. A digital signal is sent using a Hamming code for error detection and correction. The signal received is 1110101 with even parity. Check if the signal received has errors and correct the error if found. 3. Encode a binary word 110101 into an even parity hamming code.
1. A signal x₁(t) is band limited to 4.2 KHz and three other signals x₂(t), X3(t) and x4(t) are band limited to 1.4 KHz each. The signals are transmitted by TDM. a) Setup a TDM Scheme if the signals are sampled at Nyquist rate. b) Identify the speed of the Commutator in samples per second. c) Identify the minimum Bandwidth requirement of the channel 2. A digital signal is sent using a Hamming code for error detection and correction. The signal received is 1110101 with even parity. Check if the signal received has errors and correct the error if found. 3. Encode a binary word 110101 into an even parity hamming code.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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Quantization and Resolution
Quantization is a methodology of carrying out signal modulation by the process of mapping input values from an infinitely long set of continuous values to a smaller set of finite values. Quantization forms the basic algorithm for lossy compression algorithms and represents a given analog signal into digital signals. In other words, these algorithms form the base of an analog-to-digital converter. Devices that process the algorithm of quantization are known as a quantizer. These devices aid in rounding off (approximation) the errors of an input function called the quantized value.
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Transcribed Image Text:1. A signal x₁(t) is band limited to 4.2 KHz and three other signals x₂(t),
X3(t) and x4(t) are band limited to 1.4 KHz each. The signals are
transmitted by TDM.
a) Setup a TDM Scheme if the signals are sampled at Nyquist rate.
b) Identify the speed of the Commutator in samples per second.
c) Identify the minimum Bandwidth requirement of the channel
2. A digital signal is sent using a Hamming code for error detection and
correction. The signal received is 1110101 with even parity.
Check if the signal received has errors and correct the error if found.
3. Encode a binary word 110101 into an even parity hamming code.
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