x(t)=5 cos(60t)+2 cos(90*pi*t)+cos(180*pi*t) find the fundamental frequency
x(t)=5 cos(60t)+2 cos(90*pi*t)+cos(180*pi*t) find the fundamental frequency
5. Find the fundamental period and fundamental frequency of the following function: 8(t) = cos(2.74) + sin(3/t) + cos(571 – 31/A)
5. Find the fundamental period and fundamental frequency of the following function: g(t) = cos(27t) + sin(3rd)+cos(574 -34A)
The Signal x(t)= e^(j*(3pi/2)*t)*cos((5pi/2)*t)+j*sin(pi*t) i) show that x(t) is periodic and what is the fundamental period? ii) What is the average value and power of x(t)?
1. if cos A = -1/5 and A is between 90 and 180 (degrees) , find sin A/2 2. A plane is flying with an airspeed of 180 miles per hour with a heading of 118 (degrees). The wind currents are a constant 28 miles per hour in the direction due north. Find the true course and ground speed of the plane
Results for this submission Entered Answer Preview Result (3/2)+(6/pi)*cos(x) e + cos(2) correct (3/2)+(6/pi)*cos(x)-(2/pi)*cos(3*x) 3 6 st-ce 2 s(3x) correct (3/2)+(6/pi)*cos(x)-(2/pi)*cos(3*x)+(6/5)*pi*cos(5*x) it coule) = _ cou(30) + * cos(52) incorrect A correct f(x) f(x) correct At least one of the answers above is NOT correct. 1 (1 point) (a) Suppose you're given the following Fourier coefficients for a function on the interval (-1,7): a 3 6 6 6 = , ai = –, az = -2,25 = = and 22,...
Write a Matlab code to generate the signal y(t)=10*(cos(2*pi*f1*t)+ cos(2*pi*f2*t)+ cos(2*pi*f3*t)), where f1=500 Hz, f2=750 Hz and f3=1000 Hz. Plot the signal in time domain. Sketch the Fourier transform of the signal with appropriately generating frequency axis. Apply an appropriate filter to y(t) so that signal part with frequency f1 can be extracted. Sketch the Fourier transform of the extracted signal. Apply an appropriate filter to y(t) so that signal part with frequency f2 can be extracted. Sketch the Fourier...
Find the fundamental angular frequency of the following discrete signal. x [n] = 36 cos (2.47m) + 18 sin (3.21m) (a) 0.2 (b) 0.4 (c) 0.27r (d) 0.4yr
Find the correlation between the two given signals. x(t)=sin(2pi*t) pi(t-0.5) y(t)=cos(2pi*t) pi(t-0.5) pi(t) is the unit rectangular pulse Please write legibly and explain
Q4. For each signal, if it is periodic, find the fundamental period T. (in seconds) and the fundamental frequency (in rad/s). Otherwise prove that the signal is not periodic. [1 + 1 - 2 marks) a) X(t) = cos(5t) + sin(25t) b)x() = sin 91 + + sin(61 - 7) + cos(391)
Suppose 0 is in the interval 90° <O< 180°. Find the sign of the following. cos (0 + 90°) Choose whether the sign of cos (0+ 90°) is positive or negative. Negative Positive