Answer to first four parts given below(a,b,c and d).
2. Consider the random process x(t) defined by x(t) a cos(wt 6), where w and 0 are constants, and a is a random variable uniformly distributed in the range (-A, A). a. Sketch the ensemble (sample...
2. Consider the random process x(t) defined by x(t) a cos(wt + 6).where w and a are constants, and 0 is a random variable uniformly distributed in the range (-T, ) Sketch the ensemble (sample functions) representing x(t). (2.5 points). a. b. Find the mean and variance of the random variable 0. (2.5 points). Find the mean of x(t), m (t) E(x(t)). (2.5 points). c. d. Find the autocorrelation of x(t), R (t,, t) = E(x, (t)x2 (t)). (5 points)....
Please solve this. 8.18 A discrete random process is defined by where φ is a uniform rndom variable in the range of-π to π. (a) Sketch a typical sample function of X b) Are its mean and variance constants (i.e., independent of k)7 (e) Is X Je] stationary (d) Is it mean ergodic? 8.18 A discrete random process is defined by where φ is a uniform rndom variable in the range of-π to π. (a) Sketch a typical sample function...
Let a random process x(t) be defined by x(t) = At + B (a) If B is a constant and A is uniformly distributed between-1 and +1, sketch a few sample functions (b) If A is a constant and B is uniformly distributed between 0 and 2, sketch a few sample functions c) Evaluate (r2(t)) d) Evaluate x2(t) e) Using the results of part c) and d), determine whether the process is ergodic for the averages Let a random process...
P9.3 A random process X(t) has the following member functions: x1 (t) -2 cos(t), x2(t)2 sin(t), x3(t)- 2 (cos(t) +sin(t)),x4t)cost) - sin(t), xst)sin(t) - cos(t).Each member function occurs with equal probability. (a) Find the mean function, Hx (t). (b) Find the autocorrelation function, Rx(t1,t2) (c) Is this process WSS? Is it stationary in the strict sense?
A stochastic process X() is defined by where A is a Gaussian-distributed random variable of zero mean and variance σ·The process Xt) is applied to an ideal integrator, producing the output YO)X(r) dr a. Determine the probability density function of the output Y) at a particular time t b. Determine whether or not Y) is strictly stationary Continuing with Problem 4.3, detemine whether or not the integrator output YC) produced in response to the input process Xit) is ergodic. A...
The sample function X(t) of a stationary random process Y(t) is given by X(t) = Y(t)sin(wt+Θ) where w is a constant, Y(t) and Θ are statistically independent, and Θ is uniformly distributed between 0 and 2π. Find the autocorrelation function of X(t) in terms of RYY(τ).
A(t) is a wide-sense stationary random process and is a random variable distributed uniformly over [0, 211]. Furthermore, is independent of A(t). Three random processes X(t), Y(t), and Z(t) are given by X(t) = A(t) cos(20ft + 0) Y(t) = A(t) cos(507t + 0) z(t) = X(t) + y(t) a. Show that X(t) and Y(t) are stationary in the wide sense. b. Show that Z(t) is not stationary in the wide sense.
5. Let X(t) be a random process which consist of the summation of two sinusoidal components as t(t) = A cos(wt) + B sin(wt), where A and B are independent zero mean random variables. (a) (5 points) Find the mean function, pat). (b) (5 points) Find the autocorrelation function Ratta). (e) (5 points) Under what conditions is i(t) wide sense stationary (WSS)?! The questions form the textbook : 1.4, 2.1, 2.4, 2.6 Some trigonometric formulas: cos(A + B) = cos...
A random process is generated as follows: X(t) = e−A|t|, where A is a random variable with pdf fA(a) = u(a) − u(a − 1) (1/seconds). a) Sketch several members of the ensemble. b) For a specific time, t, over what values of amplitude does the random variable X(t) range? c) For a specific time, t, find the mean and mean-squared value of X(t). d) For a specific time, t, determine the pdf of X(t).