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please do part b lenterel t 2. For the signal u(-t-2) wh (a) graph the signal...
3. Assume the signal x(t) = 5.e-2 u(t) V. (a) Calculate the signal energy (on a 1-ohm basis) over the time interval from - to too. (b) Calculate the signal energy (on a 1-ohm basis) over the frequency range from - to too. (c) Repeat part (b) over the frequency range from -2 to +2 Hz. (d) Do your answers in parts (a), (b), and (c) make sense? Explain.
1.On the graph below, make a neat and labeled sketch of the signal s(t) = 2 + cos( t/4 + 1 ),Describe s(t) as odd, even, or neither. What is the energy in s(t)? What is the power in s(t)? 2.On the graph below, make a neat and labeled sketch of the signal s(t) = 3 rect( t - 2 ) cos( π t ),Describe s(t) as odd, even, or neither. What is the energy in s(t)? What is the...
Please explain part 2 thoroughly. Thanks!
Consider a message signal m(t) with power of 20 mW that is applied to an analog-to-digital converter, with dynamic range of -1 to 1 volt. a) If uniform quantization is utilized, and the minimum signal-to-quantization-noise (SQNR) is 43 dB, determine the minimum number of bits required, and the corresponding SQNR obtained with this quantizer. b) Repeat Part (a) if a u-law compander is used with u-100. c) If the power of the signal m(t)...
Consider the continous time signal x(t) - u(t) where u(t) is the unit step, sampled at a sampling period Ts- 1/4 to produce a discrete time signal rn] (a) Plot the signal r[n] over an appropriate interval (b) Compute and plot the short term energy for 10 successive blocks using a rectangular window of width 4 (c) Compute and plot the Zero Crossing Rate for 10 successive blocks using a rectangular window of width 4
Consider the continous time signal...
Include graph and equipotential lines for PART B please!!!
Given the potential energy U(a, y) ry2 ya2, (a) find the corresponding force field and visualize it (use a computer); (b) on the same graph sketch a few equipotential lines, i.e. lines defined by equation U(x, y)Uo, for different values of Uo; (c) comment on the result
6. Signal x()- exp(-t) u() and signal ho) is as shown. (a) Express h(t) in terms of ramp functions only 2 O2 3 4 (b) Find y(t) x(t)*h(t) 0)
6. Signal x()- exp(-t) u() and signal ho) is as shown. (a) Express h(t) in terms of ramp functions only 2 O2 3 4 (b) Find y(t) x(t)*h(t) 0)
We are given the following signal (t), which is also known as "infinite train” of Dirac delta functions. w(t) 2 t(ms) -20 -10 10 10 20 30 Page 1 of 4 a) (5 points) Write a mathematical expression for w(t) in the time domain. b) (10 points) Find the Fourier coefficients of the signal using the definition and its Fourier transform W (f) [Note that results without correct derivation will get minimal points). c) (3 points) Sketch the signal magnitude...
Please do Part 4 and Show all work!
1. 145 points) <FM/FSK Modulation/Demodulations A periodic wave m(t) in Figure 1 below The resulting FM signal is demodulated as shown in the following figure by using frequency discriminator. Assume no attenuation of the signal due to propagation loss (in other words assume amplifiers properly restored the amplitude of the transmitted signal at the receiver) [10 points] Find the Fourier Series (trigonometric Fourier Series) of the message signal m (t) where To...
1. For signal v(t) = 1 + 2 8(t-3n), determine (a) (8%) drawing of v(t); (b) (7%) period; (c) (10%) Fourier series form III; (d) (5%) power spectral density function; (e) (5%) autocorrelation function; (f) (5%) total power; (g) (5%) total energy. vle)- t2t Sce- (a) vl)