The subject is Communication Systems ( A RANDOM SIGNAL GENERATION AND ANALYSIS ) Please send the answer by typing i don't want any handretten. Q1.... [Explain SNR (Signal to noise ratio)]?

Q: List three gains or losses that could be modified (and how) to increase the signal-to-noise ratio in…

A: Signal-to-noise ratio is defined as the ratio of the power of a signal (meaningful input) to the…

Q: 6.1 A1 kHz sine wave is sampled at frequency of 5 kHz. (a) What is the Nyquist frequency of the…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: An audio signal is assumed to have frequencies up to 15 kHz., it is sampled at 20% above the Nyquist…

A: Given, Audio signal frequency, fm=15 kHz Sampled 20% over Nyquist rate. Quantization noise ratio,…

Q: What is coupling? What is rise time? What is rise time for a signal? How does rise time relate to…

A: Signal An electromagnetic or electrical current known as a signal is used to transfer data from one…

Q: What is rise time for a signal?

A: Rise time is the amount of time that separates two locations on the signal's rising edge when it…

Q: List out any two problems that may occur in the reconstruction of the original signal and  suggest…

A: Problems that may occur in the reconstruction of the original signal are Intersymbol interference…

Q: (ii) A current transducer was used to monitor the usage of the electric heater. The signal power at…

A: Solution of question 1.(a).(ii): Given information, The signal power input of the current transducer…

Q: a). The figure shows an Algorithmic State Machine Chart. Draw the equivalent Moore State diagram…

A:

Q: a. Puise Code Modulation (PCM) IS One of the methods used in the process of converting analog signal…

A: For the above given pulse code modulation system we need to derive the value of number of bits and…

Q: In the figure, a sampler is given as a modulator. From signal x (t) ? ∗ When passing to the (?)…

A: The sampling period or sampling frequency is chosen on basis of the sampling theorem in any…

Q: 8) In digital communication systems, analog signal input is converted to digital form by three…

A: Analog to Digital Conversion (ADC):- The electronic process known as analog-to-digital conversion…

Q: 5. A signal is expected to have a frequency of fm 1000 Hz. (a) (b) (c) signal? What minimum sampling…

A:

Q: A PCM based system uses Companding. Is Companding introduced because: Select one: O a. Noise from…

A: We need to select correct option for companding .

Q: What will be the time domain expression of the instantaneous sampled signal?

A: Sampling is the process of converting a continuous-time signal into a discrete-time signal.…

Q: Show and explain in detail the Mathematical Equation of Frequency Modulation (FM).

A: Given : Frequency modulation is one of the angle modulation technique.   In frequency modulation…

Q: Use own words to clearly explain the interference phenomena of a) signal loss by frenquency out of…

A: Signal loss by frequency out of range is generally occurred in computers when input signal is loss…

Q: What are the key considerations in designing electrical circuits for high-frequency applications,…

A: RF circuits are built specially to work in high frequency applications and tackle all the issues…

Q: What does increased signal to noise ratio mean?

A: Signal to noise ratio : Signal to noise ratio is denoted by S/N ratio it is present in both analog…

Q: An application involves signal pulses with constant shape and only a small variation in amplitude.…

A: ANS = Leading edge timing EXPLANATION WITH DETAIL ANALYSIS :- If rise time and amplitude walk (time…

Q: a) Describe the main sources of errors in a measurement process and state how they may be avoided or…

A: The main sources of error are: The sources of random errors are slight fluctuations in an…

Q: Explain information regarding Discrete Signal

A: A discrete sign or discrete-time signal is a period series comprising of a grouping of amounts.…

Q: 6) An ADC is used to digitize the analog signal x(t) = cos(1000nt) at sampling frequency f, = 2 kHz.…

A: Here, we are given an analog signal x(t) = Cos(1000t) , sampling frequency  = 2 kHz, signal power =…

Q: Q4: a- many methods are used for extracting the modulating signal from the frequency modulation…

A: Since you have asked two question and not specified which one to answer I will answer 1st question…

Q: The integer number given by the ratio of the frequency of a harmonic to the fundamental frequency is…

A: A filter can be described in terms of engineering, computers, and signal processing, among other…

Q: What is signal tracing?

A: Signal tracing: It is the process of detecting and analyzing a signal.

Q: Q1: A voice message of 2 kHz is sampled at DM system for a rate nine times the Nyquet rate. The…

A: According to the question, a voice message of 2 kHz is sampled at DM system for a rate nine times…

Q: A PCM based system uses Companding. Is Companding introduced because:

A: Companding is used to implement and improve the signal- to-quantization noise ratio of in case of a…

Q: Derive the expression for the first order system, when subjected to unit ramp input signal.

A: Considering a first order system The transfer function of the first order system is given below,…

Q: When an analog signal with infinite amplitude possibilities is quantized and is given a 5-bit PCM…

A: Given,  number of bits to represent each analog value (n) =5  (Since mentioned 5-bit PCM)

Q: Q36)The signal can be reconstructed from its samlpes a. None of the mentioned b. Above Nyquist rate…

A: signal can be reconstructed from its Samples  Here we can solving this problem using Sampling…

Q: are specifications of Digital modulation techniques?

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

Q: 4. Write down the general expressions of frequency modulated signal and phase modulated signal. And…

A: Type of Modulation Frequency Modulation Phase Modulation  Amplitude Modulation  Pulse code…

Q: Q3) Twenty voice signals are sampled uniformly and then time division multiplexed. The sampling…

A: The lowest sample rate needed to accurately represent a signal without aliasing is known as the…

Q: Problem-1 Consider a low-pass analog signal of 8 kHz. What is minimum bandwidth, assuming 4 bits per…

A: Given:Low- pass analog signal of 8 kHz.To find:Minimum bandwidth for 4 bits per sample.Minimum…

Q: Suggest a demodulator circuit to detect the data signal from the Phase shift keying modulated signal…

A: A signal obtained is called a carrier signal. A Carrier signal with information is also called a…

Q: Write short notes on EEG signal classification in terms of frequency.

A: Electroencephalogram(EEG):                  The electroencephalogram (EEG) is a scalp recording of…

Q: What is signal to noise ratio?

A: SNR or sign to-commotion proportion is the proportion between the ideal data or the force of a sign…

Q: The signal illustrated in Figure E.47 is part of a binary-phase-shift-keyed (BPSK) binary data…

A: To give a detailed mathematical description of the Binary Phase Shift Keying (BPSK) signal shown in…

Q: A signal is sampled by using sampling frequency of 45000HZ which will produce 5000 Hz separation…

A: To analyse the given statement

Q: Given the figure below, discuss how the circuit recovers the original information from the input AM…

A:

Q: Q3. a) Consider a single tone signal m(t) = 10-cos(2n-750 t) transmitted using pulse code modulation…

A: Given m(t)= 10cos(2π.750t) n=12 bits