
24 Find the inverse a tranform of the folowing signals (6 polnts) 2-15- 1-15+0.5 X(a)
1 Find the root(s) ofthe inverse Fisher transform - 0.5 2 The Excel function for the inverse Fisher is FISHERINV) 3 You want the root(s) of FISHERINV(x)-0.5 4 5
1 Find the root(s) ofthe inverse Fisher transform - 0.5 2 The Excel function for the inverse Fisher is FISHERINV) 3 You want the root(s) of FISHERINV(x)-0.5 4 5
Find the inverse Fourier transform for the following signals. X(e^jw) = 2 cos(w)
2x + 6 15. Find the inverse of h(x) = = 16. If f(x) = 2x - 1 and g(x) = x2 - 2, find [g • f](x).
Q1-20 points) a) Find the transform of the following signals and plot the ROC. 1 x(n)=(-0,357u(n-4)+(0.25?u(n+2) IL- x(n)=-cu-n-1) b) Find the Inverse Z-transform of: z(2-1.5) for (2-0.33)(2-0.5) ROC: z>0.5
signals and systems
1. Question: By partial fraction method, find the inverse z-transform of X(z): X(a)=7-4. and x[n] is stable.
3.1 When is a LTI system stable? (2) 3.2 The following signals are sampled every 0.5 seconds, beginning at t=0. Find the z- transform of the sampled functions. xi(t) = e-- 3.3 Use the z-transform tables to find the inverse transform of the following function. Give a sketch of f(n). (6) F(z) = 23 -0.5 3.4 Find the impulse response of the filter characterized by the following transfer function by applying a unit impulse to the system. (6) H(2) 1...
a) Find the transform of the following signals and plot the ROC . I x(n)-(0.5)'u(-n-3)+2(0.75) u(n+2) x(n)--on2u(n-2)
a) Find the transform of the following signals and plot the ROC . I x(n)-(0.5)'u(-n-3)+2(0.75) u(n+2) x(n)--on2u(n-2)
2. (15 pts; 8,7) Let (a) Find the inverse of the matrix X. (b) Write X-1 as a product of elementary matrices. (You only need to give the list of elementary matrices in the right order. There is no need to multiply them out. )
(24%) Find the Fourier transform of the signals given below: 1) x() 4e U() x(t) = e-3,Cos(12m)U(t) 2) x(t) = 36(1 + 4) + 26(1) + 43(1-5) 3) x[n]=(0.7)"U(n) 4)
(24%) Find the Fourier transform of the signals given below: 1) x() 4e U() x(t) = e-3,Cos(12m)U(t) 2) x(t) = 36(1 + 4) + 26(1) + 43(1-5) 3) x[n]=(0.7)"U(n) 4)
(1 point) f(x) = 5x + 6 a. Find a formula for the inverse of the function. f-1 (x)= b. Graph the function and its inverse on the same set of axes, along with the graph of yx