plot the double sided amplitude and phase spectrum for the following signal. f(t) = e^(-2|t| )

Expert Solution

Manojponduru answered 1 year ago

Consider the following periodic signal : x(t)=∑∞n=−∞Π(t−4n2). 1. Determine and plot the spectrum Fourier Transform of...

Consider the following periodic signal : x(t)=∑∞n=−∞Π(t−4n2). 1. Determine and plot the spectrum Fourier Transform of signal x(t) ( For plot : Use only interval n=-2 to n=2). 2. Based on the result obtained in part one. Determine Complex Exponential Fourier Series, and trigonometric Fourier Series. 3. Evaluate the energy spectral density of the periodic signal x(t) in rang (n=-2 to n=2)

Determine the Nyquist rate for signal x(t)defined as follows: x(t)= 20,000sinc(20,000pit) Plot the spectrum of the...

Determine the Nyquist rate for signal x(t)defined as follows: x(t)= 20,000sinc(20,000*pi*t) Plot the spectrum of the sampled signal and check whether aliasing error exists for the following values of the sampling rate (ws): 40,000*pi, 20,000*pi,10,000*pi

E ::= E + T | T T ::= T * F | F F ::=...

E ::= E + T | T T ::= T * F | F F ::= num | (E) Num ::= 0 | 1 | 2 | 3 | 4 | 5 | . . . . . . . Question: 1 a. Show the Left-most derivation for the expression: 5 * 7 + 6 * (1 + 2). b. Show the Right-most derivation for the expression: 5 * 7 + 6 * (1 + 2).

energy and power of signals. (a) Plot the signal x(t) = e−tu(t) and determine its energy....

energy and power of signals. (a) Plot the signal x(t) = e−tu(t) and determine its energy. What is the power of x(t)? (b) How does the energy of z(t) = e−∣t∣, −∞ < t < ∞, compare to the energy of z1(t) = e−tu(t)? Carefully plot the two signals. (c) Consider the signaly(t) = sign[xi(t)] =  1 xi(t) ≥ 0 −1 xi(t) < 0 for −∞ < t < ∞,i = 1,2. Find the energy and the power of...

Give the grammar following: E --> E + T | T T --> T* F |...

Give the grammar following: E --> E + T | T T --> T* F | F F --> (E) | id Eliminating the left recursion rules and getting a non-left recursive equivalent grammar.

T or F – Accounting uses a double entry system? 2. T or F – Assets...

T or F – Accounting uses a double entry system? 2. T or F – Assets = Liabilities + Owners Equity? 3. T or F – Assets – Liabilities = Owners Equity? 4. T or F – Assets are normally on the debit side of the T account? 5. Advantages of ERP systems include: A) saves money B) helps adjust to changes C) replaces separate software systems D) all of the above ) T or F – Accounts receivable are...

Consider the following grammar G: E -> E + T | T T -> T F...

Consider the following grammar G: E -> E + T | T T -> T F | F F -> F* | a | b This grammar can be used to generate regular expressions over the alphabet {a,b} with standard precedence rules. Show your solution for each of the following 5 points: 1. Remove left recursion and write the resulting grammar G1. 2. For the grammar G1, compute and write the sets FIRST for every right hand side...

Plot the solution of the equation 6ẏ + y = f(t) if f (t) = 0 for t + 0 and f(t) = 15 f

Plot the solution of the equation6ẏ + y = f(t) if f (t) = 0 for t + 0 and f(t) = 15 for t ≥ 0. The initial condition is y(0) = 7.

Plot the signal s(t) = cos(2πt), and then illustrate the resulting samples with the following sampling...

Plot the signal s(t) = cos(2πt), and then illustrate the resulting samples with the following sampling intervals: [30 points] • Ts= 0.5 sec. • Ts= 0.75 sec • Ts =1 sec. (a) For each case, also sketch the reconstructed continuous time signal from the samples using linear interpolation (i.e. connecting samples by straight lines). (b) In which case the sampled signal has aliasing distortion? What is the minimal sampling frequency and the corresponding sampling interval needed to avoid aliasing?

7 If a carrier signal vc(t) = 10 sin (20000πt+π/2) volts is amplitude modulated by message...

7 If a carrier signal vc(t) = 10 sin (20000πt+π/2) volts is amplitude modulated by message vm(t) = 8sin(450πt+π/2), sketch the frequency plot for the resulting AM signal and calculate the transmission bandwidth. Write the expression for the AM signal. If the resulting AM signal is viewed on a CRO, what will be the values of Vmax and Vmin? Also sketch the AM signal in CRO and state whether the signal is under modulated / critically modulated / over modulated;...

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