Homework Answers
Given signal V(t)=cos(1000*pi*t-pi/6) volts
Periodic signal: any signal repeats it's shape over a certain time is known as periodic signal. I.e, V(t+T)=v(t). 'T' is the period. T=wo/2*pi.
wo= angular frequency in rad/sec
Given signal is compared with cos(wo*t-pi/6),
Therefore, wo=1000*pi
T=1000*pi/(2*pi)
T=500 seconds
Therefore, Period of the given signal is 500 secs
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This signal has a Polar Fourier Series
What is the value of C0? Answer will be in
volts.
Ey(t) = o Ce cos(kwot+0k), where we = 25*10
(a) Determine the period, amplitude, and frequency of a signal given by, v(t) (120nt). Plot this signal both in the time-domain and frequency domain. (b) For the following square wave v(t), determine if it is a periodic signal, and if yes, what 10 V sin 4. [61 are its amplitude, period T and fundamental frequency f? Why do we need to convert this signal into sine/cosine wave for transmission? 2 o-oims (c) () According to Fourier Theorem, the above signal...
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Explain step by step!!
The phasor corresponding to the signal v(t) = 21 cos(4t - 16 degree) V is 21 angle (+ degree)V.
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)
The
signal spectra at point (a) is given to you in the figure (b)
below. Determine the signal spectra at point (b), and indicate the
frequency bands occupied by these spectra.
M(w) m(t) m(t)cos(w.t) -2B 0 2tB cos (w(1)
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