Explain the advantages of non-linear quantisation (or equivalently companding) over linear quantisation for voice signals. Explain why non-linear quantisation schemes are almost universally adopted for speech signals Describe qualitatively, using a sketch, the "A-law of non-linear quantisation scheme.

Q: Explain the disadvantages of digital telecommunication.

A: Digital communication : This is a process in which transform the information by using device that is…

Q: Explain frequency hopping acquisition scheme using a simple PN sequence. Assume that the length of…

A: Frequency hopping acquisition scheme using a simple PN sequence. In a frequency hopping, the…

Q: For a FM system, the maximum freq deviation is 75 kHz and the maximum freq of the info. signal is 10…

A: According to Carson's formula, the bandwidth (B) of a frequency modulated system can be expressed as

Q: Wavelength division multiplexing, to put it briefly.

A: Wavelength division multiplexing:- A fiber-optic transmission method called wavelength division…

Q: 2. How can you improve the spectrum resolution? What are -nces bot. TFT?

A: Given  We need to provide ways to improve spectral resolution. Please find the below attachment for…

Q: Suppose an microphone captures up to 25 KHz (i.e. cutoff frequency is 25 KHz) and the sampling…

A: In the question,  The sampling frequency = 32kHz What is the low pass pre filter's cut off frequency…

Q: For a communication link what are the different types of modulation and their diagrams including…

A: Modulation : It is the process, where properties of carrier signal  lke amplitude, phase or…

Q: layman's term, explain super heterodyne receiver.

A: The explanation is as follows.

Q: a) What are the disadvantages of a TRF receiver? Explain how a superheterodyne receiver overcomes…

A: In TRF receiver after receiving signal from antenna, a RF amplifier is used to select the required…

Q: b) Draw a block diagram of a typical digital communications system (both transmit and receive paths)…

A: Communication System:  A communications system, often known as a communications network, is a…

Q: Discuss how the original signal can be recovered perfectly from the output of the decoder. What are…

A: At the decoder side, various signal reconstruction devices are used to recover the original message…

Q: Why is a high percentage of modulation desirable?

A: Why is a high percentage of modulation desirable?

Q: State modulation of signals, and distinguish different modulation techniques, thereon identify which…

A:

Q: In data transmission, both periodic analogue signals and non-periodic digital signals are used. Why

A: In this question we will write why in data transmission , both periodic and non periodic signal is…

Q: FM DEMODULATION Why is it necessary to recover the original information signal from the carrier?

A: By using modulation we sent our original signal from transmitter to receiver with the help of…

Q: or Delta modulator, how many bits transmitted per sample?

A: In this case ,the number of bits transmitted per sample for a delta modulator is to be determined.

Q: What are the differences between homodyne and super heterodyne receivers.

A: The difference between Homodyne and Super heterodyne receivers is shown in below table. Homodyne…

Q: Question 3: What are the similarities and differences between the information signal m (t) obtained…

A: Difference between modulated signal and demodulated signal- In modulation process original signal…

Q: 1) What is selectivity? Explain how you can increase selectivity of a receiver. ( 2) How does type…

A: Selectivity is defined as the measure of the performance of the radio receiver to respond only the…

Q: a) Using a well-label block diagram, explain the basic analog communication system b) What is the…

A: Communication is the process of establishing connection between two points for information exchange.…

Q: What is a bipolar line coding technique with phase encoding, and explain why it is named as phase…

A: In the bipolar line coding technique with phase encoding, there are three levels of the voltage…

Q: In series clippers, when clipping of signal occurs?  In parallel clippers, when clipping of signal…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Assuming a pattern 110100000000010 is to be transmitted with the first bit transmitted first, sketch…

A: Given a pattern 110100000000010

Q: are specifications of Digital modulation techniques?

A: Digital Modulation Techniques. It  is the kind of  process in which encode a digital information…

Q: Identify and draw the odd and even parts of the signal given below. ?(?) = ?(? + 2) − 2?(? − 1) +…

A: Identify the given signal draw the odd and even parts of the signal given ?

Q: 27. Explain why digital data transmission is better than analog data transmission in terms of error…

A: We need to explain why digital transmission is better than analog data transmission in terms of…

Q: Show that minimum spacing for non-coherent orthogonal fsk is double than the minimum spacing for…

A:

Q: xplain why we can still receive monophonic FM signal with our stereophonic FM receiver by showing…

A: An stereo receiver is an amplifier and switching device used for a stereo system. The input given is…

Q: A major advantage of PRTs is that they are very linear. A disadvantage is that they have poor…

A: PRT stands for platinum resistance thermometer. Platinum is used to determine the temperature in the…

Q: What are some disadvantages of designing a global communication system with a LEO constellation that…

A: The disadvantages of designing a global communication system with an LEO constellation that requires…

Q: 5. What will be the final output of the following figure? where Ac amplitude of carrier signal, wc =…

A:

Q: Why frequency modulation is immuned to noise?

A: in the frequency modulation, the amplitude of the signal remains the same and the frequency and…

Q: How FM signals are generated by Amstrong method. support your arguments with

A: The basic principle of this method is to generate a NBFM(narrow band) signal indirectly by using…

Q: Why modulation is necessary in communication system? Explain with at least three advantages of the…

A: The explanation is as follows.

Q: eight-level encoding scheme is used in a 30-kHz-bandwidth system, what is the channel capacity in…

A:

Q: How much BW would be required to transmit a DS-1 signal (1.544Mbps) using a four level code? (a)…

A:

Q: 6. The original electrical information signal to be transmitted is called * Modulating Signal…

A: 6. A brief about the options given:- Carrier:- A Carrier Signal is an electromagnetic signal with a…

Q: What does modulation/demodulation refer to and how analogue signals can be used/modified for the…

A: Data communication- The process of transferring information from one computer to another is known as…

Q: 6. What are the types of FM?

A:

Q: What is meant by resolution? How is it related to the accuracy of ADC?

A: ADC- Converting analog signals to digital signals in applications called aural ADCs, such as digital…

Q: 3. What are the differences between homodyne and super heterodyne receivers

A: differences between homo-dyne and super heterodyne receivers?

Q: what the advantages and disadvantages of anti aliasing filter?

A: Anti aliasing filter : Anti-aliasing is usually done before sampling to eliminate the effect of…

Q: 3. What are the differences between homodyne and super heterodyne receivers.

A: A radio receiver is a wireless radio component which converts the information carried by radio waves…

Q: Describe the purpose of multiplexing in an explain the advantages of multiplexing. optical…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again. The…

Q: Why FT-IR instrumentation is superior than the regular IR instrumentation?

A: FTIR stands for Fourier Transform Infrared Spectroscopy, it is a special type of infrared…

Q: In data communications, we use periodic analog signals and  Non periodic digital signals explain

A: The explanation is given in the following section.

Q: For a delta modulator system, the following number of bits are getting transmitted per sample: 1. 4…

A: The delta modulator (DM) is a modified version of a pulse code modulated (PCM) system. The main…

Q: Which of the following audio types has the highest bit resolution and sampling rate? A.FM boardcast…

A: In this question,  We need to choose the correct option Which of the following audio types has the…

Q: ExplainWhat makes signal communication advantageous in an infrantry operation? Write in 200 words.

A: Communication system is a collection of individual communication networks, transmission systems,…