Explain the concept of modulation and demodulation in analog and digital data transmission.
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Explain the concept of modulation and demodulation in analog and digital data transmission.
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- Describe the differences between, (i) Analog and digital communication systems (ii) Digital modulation and digital transmission.Describe the principles of modulation and demodulation in the context of transmitting digital data over analog transmission media.Make a signal flow diagram out of the data. Label everything properly.
- Explain why we need both Analogy as well as Digital signals? Also elaborate the process of converting an Analogue signal into Digital signal?How to measure the quality of the output signal in ADC? A. Signal-to-noise ratio B. Quantization error C. Signal-to-quantization-noise ratio D. Bit error rateExplain the Analog to digital conversion in digital signal processing with each step elaborated
- Explain the functions of decoders and multiplexers. Then given at least two examples of applications for both of them.An information or message signal represented as voltages or currents with infinite number of possible values is called as; a. Modulated signal O b. Digital signal O c. Discrete signal O d. Continuous VariableDiscussion: 1. What are the advantages of PCM system over other types of modulation systems? 2. What are the types of representing binary numbers? 3. The central operation in the generating PCM is the Digital to Analog (A/D) converter. Describe briefly the several techniques that are used in success system. 4. What is meant by the Quantization Partition and Quantization Codebook? 5. Discuss the obtained results.
- . What are specifications of Digital modulation techniques?Discuss the major differences between analog and digital data acquisition. How do the number of bits in the ADC register and the dwell time affect the results? How are quantization errors minimized? What is a signal/noise ratio? How can SNR be optimized?In the application of typical digital signal processing, explain the concept of operation in Speech Coding and Compression.