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1. Consider the binary sequence b- [10010). Let the bit rate R, be 1 kbps and let the peak amplitude of all digital modulated waveforms be set to 1 V. (a) Sketch the ASK waveform representing the binary sequence b using a carrier fre quency of 5 kHz. (b) Sketch the PSK waveform representing the binary sequence b using a carrier fre- quency of 5 kHz. (c) Let the mark and space frequencies used by an PSK modulator be set to 3 and 6 kHz, respectively. Sketch the resulting FSK waveform representing the binary sequence 6. 2. Sketch the power spectral density function for each of the modulated signab in Question 1. 3. If an ASK signal is applied to the input of a coberent detector shown in Fig. 4.1, sketch the waveforms at the output of each block.

1. Consider the binary sequence b- [10010). Let the bit rate R, be 1 kbps and let the peak amplitude of all digital modulated waveforms be set to 1 V. (a) Sketch the ASK waveform representing the binary sequence b using a carrier fre quency of 5 kHz. (b) Sketch the PSK waveform representing the binary sequence b using a carrier fre- quency of 5 kHz. (c) Let the mark and space frequencies used by an PSK modulator be set to 3 and 6 kHz, respectively. Sketch the resulting FSK waveform representing the binary sequence 6. 2. Sketch the power spectral density function for each of the modulated signab in Question 1. 3. If an ASK signal is applied to the input of a coberent detector shown in Fig. 4.1, sketch the waveforms at the output of each block.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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B. Coberent and Noncoherent Detection Coherent Detection B.1 A coberent detector for ASK and PSK signals is depicted in Fig, 4.1. MATCHED FILTER an Fig. 4.1 Coherent Detector
Transcribed Image Text:B. Coberent and Noncoherent Detection Coherent Detection B.1 A coberent detector for ASK and PSK signals is depicted in Fig, 4.1. MATCHED FILTER an Fig. 4.1 Coherent Detector
1. Consider the binary sequence b- [10010). Let the bit rate R, be 1 kbps and let the peak amplitude of all digital modulated waveforms be set to 1 V. (a) Sketch the ASK waveform representing the binary sequence b using a carrier fre- quency of 5 kHz. (b) Sketch the PSK waveform representing the binary sequence b using a carrier fre- quency of 5 kHz. (c) Let the mark and space frequencies used by an FSK modulator be set to 3 and 6 kHz, respectively. Sketch the resulting FSK waveform representing the binary sequence 6. 2. Sketch the power spectral density function for each of the modulated signak in Question 1. 3. If an ASK signal is applied to the input of a coherent detector shown in Fig. 4.1, sketch the waveforms at the output of each block.
Transcribed Image Text:1. Consider the binary sequence b- [10010). Let the bit rate R, be 1 kbps and let the peak amplitude of all digital modulated waveforms be set to 1 V. (a) Sketch the ASK waveform representing the binary sequence b using a carrier fre- quency of 5 kHz. (b) Sketch the PSK waveform representing the binary sequence b using a carrier fre- quency of 5 kHz. (c) Let the mark and space frequencies used by an FSK modulator be set to 3 and 6 kHz, respectively. Sketch the resulting FSK waveform representing the binary sequence 6. 2. Sketch the power spectral density function for each of the modulated signak in Question 1. 3. If an ASK signal is applied to the input of a coherent detector shown in Fig. 4.1, sketch the waveforms at the output of each block.
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