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For random process X = 6 and Rxx (t, t+t) = 36 + 25 exp(|t|). Consider following statements: (i) X(t) is first order stationary. (ii) X(t) has total average power of 36 W. (iii) X(t) is a wide sense stationary. (iv) X(t) has a periodic component. Which of the following is true?
Below a question is given with one passage and its effects (I) and (II). One of these effects or both or none may be the effect of the statement. Read both the effect and decide which of the following answer choice correctly depicts the relationship between these cause and effect. Passage: In the urban area there exist a lot of industries, commercial places and public places religious places which involve a lot of a  people and working machinery note of sound and when this sound becomes unpleasant it is known as noise. it is one of the reasons why public authorities have divided the city into a number of zones is known as a different noise level. Effects: I        Noise leads to emotional and behavioural stress. A person may feel disturbed in the presence of loud noise such as produced by heating of drums. II       Noise may cause damage to the liver, brain, and heart.  
Which of the following are the basic differences between vibration signature and noise signature? 1. Vibration signature is essentially in the frequency range zero to 100 cps whereas noise signature is in the range 20 cps to 3000 cps. 2. Vibration signature has well-defined peaks whereas the noise signal is smeared. 3. The intensities of noise signatures arc much less than that of vibration signatures. 4. Detection of vibration signature calls for a microphone whereas that of noise can do with a pickup. Select the correct answer using the code given below.
Thermal noise shot noise and transit time noise is part of internal noise in communication.
What is correct sequence, of the following links from the Doctrine of Dependent Origination?
1. Trsna (thirst for sense enjoyment)
2. Vedana (sense experience)
3. Sparsa (sense-objet contact)
4. Upadana (clinging to sense enjoyment)
Select the correct answer:
The stock of stationary on 1st January 2002 is Rs. 300, payment for stationary during the year is 2002 Rs. 1,080 and stock of stationary on 31st December 2002 is Rs. 50. What will be the amount shown in income and expenditure account for the year ending 31st December, 2002?
Let x(t) be a wide sense stationary (WSS) random with power spectral density Sx(f). If Y(t) is the process defined as y(t) = x(2t - 1), the power spectral density SY(f) is
Which of the following are barriers to effective communication? 1. Physical noise 2. Semantic noise 3. Psychological noise 4. Non-semantic noise Choose the correct answer from the options given below.
Atmospheric noise, extraterrestrial noise and man-made noise is part of internal noise in communication.
Antenna noise temperature of a system is 210 K, noise temperature of transmission line is 123 K, loss of a transmission line connecting the antenna to receiver is 1.41 and noise temperature of the receiver cascade is 304 K. then the total system noise temperature is: