<<= Back Next =>>
You Are On Multi Choice Question Bank SET 1305

65251. The n state variables can be considered as n components of a state vector.

65252. Following is a reason of distortion in communication system

65253. The state equations are in the form

65254. (SI - A)-1 = adj(sI - A)/det (sI - A)

65255. The eign values of n x n matrix A are the root of the characteristic equation 1λI - AI = 0

65256. A signal is x + f(t) where x is constant and f(t) is a power signal with zero mean value. The power of the signal is

65257. A pulse function can be represented as difference of two equal step functions.

65258. The impulse response h[n] of a linear time invariant system is given by h[n] = ∪[n + 3 ] + ∪[n - 2] -2∪[n -7]. The above system is

65259. Which one condition is true to check the periodically for discrete time signal (where K is any integer, N is period, f0 is frequency of signal)

65260. If v(t) = 0 for t < 0 and e-a t for t ≥ 0 V(jω) = 1/(a + jω).

65261. The term 'energy spectral density' is associated with

65262. If f(t) = 1, F(jω) = 2p δ(ω).

65263. Short circuit is the dual of open circuit.

65264. Highest value of Autocorrelation of a function 100 cos 50 p t is

65265. The Laplace transform of (tn-1) where n is integer is

65266. Which one of the following is the correct statement? The region of convergence of z transform of x[n] consists of the values of z for which x[n] r-n is

65267. The data about p the pull required to lift a weight wby a pulley block is The linear law p = a + bw is

65268. Average power for signal is

65269. A linear discrete time system has the char. equation z3 - 0.81z = 0, the system is

65270. For a signal x(t) the F.T. is X(f). Then inverse F.T of X(3f + 2) is given by

65271. Energy density function is always

65272. For Ergodic Process

65273. Assertion (A): A non-sinusoidal wave can be expressed in terms of sine waves of different frequencies which are multiples of the frequency of fundamental.Reason (R): If negative half of a complex wave is a reproduction of the positive half, the even harmonics are absent.

65274. A function will have only sine terms if

65275. The discrete time system describes by y(n) = x(n2) is

65276. A system is stable if ROC

65277. The Laplace transform of a unit step function is

65278. The minimum sampling frequency in sample/sec. required to reconstruct the following signal from its samples wuthout distortion would be

65279. If ROC of x[n] is R1 then ROC of an x[n] is

65280. x = AX + Bu is a state equation.

65281. The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.

65282. The function shown in the given Figure can be written as

65283. In a network V(s) = Z(s) I(s) where V(s), Z(s) and I(s) are Laplace transforms of v(t), z(t) and i(t). The voltage v(t) is

65284. For formation of state equations, resistance of the circuit

65285. In a Communication system, noise is most likely to affect the signal.

65286. If the sequence |xn|1/n converges, then the series converages absolutely is

65287. If X(a) is the z transform of kxk, then the z transform of k xk is

65288. A system is said to be static system, when present output depend upon

65289. The function f(t) = E[u(t - a) - u(t - b)] is

65290. If two mutually exclusive events A and B can happen in m and n ways, then either A or B can happen in (m + n) ways.

65291. The Laplace transform of sin ωt is

65292. If f(t) is an even function

<<= Back Next =>>
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
DMCA.com Protection Status Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions