Question is ⇒ Consider the following statements <ol style="list-style-type: decimal; padding-bottom:10px;"><li style="padding-top:10px;">If ensemble and time averages of a random process are identical, the process is ergodic.</li><li style="padding-top:10px;">If ensemble and time average of a random process are not identical, the process is ergodic.</li><li style="padding-top:10px;">An ergodic process is stationary.</li><li style="padding-top:10px;">A stationary process is necessarily ergodic.</li></ol> Which of the above statements are correct?, Options are ⇒ (A) 1 only, (B) 1 and 3 only, (C) 1, 3 and 4 only, (D) 1 and 4 only, (E) , Leave your comments or Download question paper.

Question is ⇒ Consider the following statements <ol style="list-style-type: decimal; padding-bottom:10px;"><li style="padding-top:10px;">If ensemble and time averages of a random process are identical, the process is ergodic.</li><li style="padding-top:10px;">If ensemble and time average of a random process are not identical, the process is ergodic.</li><li style="padding-top:10px;">An ergodic process is stationary.</li><li style="padding-top:10px;">A stationary process is necessarily ergodic.</li></ol> Which of the above statements are correct?, Options are ⇒ (A) 1 only, (B) 1 and 3 only, (C) 1, 3 and 4 only, (D) 1 and 4 only, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Consider the following statements If ensemble and time averages of a random process are identical, the process is ergodic. If ensemble and time average of a random process are not identical, the process is ergodic. An ergodic process is stationary. A stationary process is necessarily ergodic. Which of the above statements are correct?
A.	1 only [Wrong Answer]
B.	1 and 3 only [Correct Answer]
C.	1, 3 and 4 only [Wrong Answer]
D.	1 and 4 only [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ A meter has a square law scale. For 2 A current the deflection in 90°. For a deflection of 45°, the current is
0.0416666666666667
1.5 A
1.414 A
1.61 A

⇒ For a bit rate of 8 kbps, the best possible values of the transmitted frequencies in a coherent binary FSK system are
16 kHz and 20 kHz
20 kHz and 32 kHz
20 kHz and 40 kHz
32 kHz and 40 kHz

⇒ If f(t) ↔ F(jω), f(- t) ↔
- F(jω)
F(- jω)
F(jω)
0.5 F(jω)

⇒ Tuned amplifiers are used at radio frequencies.
TRUE
FALSE

⇒ In a rectangular waveguide Z_TE . Z_TM is
η₀²
1
1/ η₀²
η₀

⇒ The function of an AM detector circuit is to
rectify the input signal
discard the carrier
provide audio signal
all of the above

⇒ The simplest register is
buffer register
shift register
controlled buffer register
bidirectional register

⇒ If f(t) is in volts, then F(jω) is in
volts
volt seconds
volts/sec
volt-sec²

⇒ Consider the following statements about Yagi Uda antenna

It is unidirectional
Its gain is about 7 dB
It is used at VLF
The optimum separation is 0.11

Which of the above are correct?
1 and 2 only
1, 2, 4 only
1, 2, 3, 4
1 and 4 only

⇒ Limiter is not essential in the following detector
foster-Seeley
ratio detector
balanced
none of the above

⇒ The received signal frequency at any time of a super-heterodyne receiver having IF = 456 kHz is 1 MHz. The corresponding image signal is
within the medium band
outside the medium band
depend upon modulation index
depends on Modulating frequency

⇒ In a flip-flop with a NAND latch, a low R and a low S produces
active condition
inactive condition
race condition
dead condition

⇒ If a number of odd functions are added, the resultant sum is
even function
odd funtion
either even or odd function
mixture of odd amd even functions

⇒ If the ratio of ac to dc load impedance of a diode detector is low, the result will be
poor AGC operation
poor AF response
negative peak clipping
diagonal clipping

⇒ The circuit in figure has reached steady values with switch open. If switch is closed at t = 0 the voltage across 2 μF capacitance at t = 0^{+zero
4 V
6 V
10 V}

⇒ In p type semiconductor, the hole concentration
is nearly equal to density of acceptor atoms
is much greater than density of acceptor atoms
is much less than density of acceptor atoms
may be equal to or more or less than density of acceptor atoms

⇒ Consider the following operation in respect of Wheatstone bridge (K_b, denotes battery key, K_g denotes galvanometer key)

open K_b
close K_g
close K_b
open K_g

The correct sequence of operations is
1, 2, 3, 4
3, 1, 2, 4
4, 3, 2, 1
3, 2, 4, 1

⇒ In the fabrication of n-p-n transistor in an IC, the buried layer on the P-type substrate is
P⁺ -doped
n⁺ -doped
used to reduce the parasitic capacitance
located in the emitter region

⇒ MTI stands for
Moving Target Indicator
Microprocessor Tracking Index
Multiplexed Telemetry Index
Maximum Transmission Index

⇒ To eliminate ghosts in the picture
use a longer transmission line
connect a booster
change the antenna orientation of location
twist the transmission line

⇒ Carbon resistances are used in very high values.
TRUE
FALSE

⇒ Conversion rate, for a successive approximation ADC which uses 2 MHz clock and 5 bit binary ladder containing 8 VV reference voltage is __________ .
64516.12 conversions/sec
400000 conversions/sec
400000 bps
2.5 bps

⇒ Current through a charging capacitor exhibits
an exponential growth function
an exponential decay function
a step decay function
a linear decay function

⇒

Assertion (A): In CE amplifier the emitter is at ground potential for ac signals

Reason (R): A CE amplifier has near unity voltage gain

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ As B is increased from zero to about 2T, μ_r, of a ferromagnetic material
increase
decrease
first increases then decreases
remains the same

⇒ The circuit of figur
clipper, sine wave clipped at - 2 V
clamper
clamper, sine wave clamped at zero V
clipper, sine wave clipped at + 2 V

⇒ The voltage induced in a loop of wire rotating in a strong and steady magnetic field is
pulsating dc
dc
rectified ac
ac

⇒

Assertion (A): KCL is dual of KVL.

Reason (R): Node is dual of mesh.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ What are the minimum number of 2 to 1 multiplexers required to generate a 2 input AND gate a 2 input Ex-OR gate?
1 and 2
1 and 3
1 and 1
2 and 2

⇒ An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is likely to be
7.07 Ω
10 Ω
14.14 Ω
20 Ω