A. not a consistent estimate of the true power density spectrum

B. a consistent estimate of the true power density spectrum

C. not a consistent estimate of the true energy density spectrum

D. a consistent estimate of the true energy density spectrum

A. white non-Gaussian noise

B. white Gaussian noise

C. flicker noise

D. transit time noise

A. 150 Hz

B. 300 Hz

C. 100 Hz

D. 50 Hz

A. FFT

B. DTFT

C. FT

D. DFT

A. x (( n ))

B. x (( n/2 ))

C. x (( 2n ))

D. x (( -n ))

A. T = âˆž

B. T = 0

C. T = 1

D. T = 2

A. Zero

B. Infinity

C. 1

D. 2

A. One

B. Two

C. Four

D. Eight

A. causal

B. non-causal

C. time-variant

D. time-invariant

A. 511 subfilters

B. 500 subfilters

C. 1000 subfilters

D. 1023 subfilters

A. analog filters only

B. digital Filters only

C. Both analog and digital filters

D. Neither analog nor digital filters

A. frequency domain

B. time domain

C. Both frequency and time domains

D. Neither frequency nor time domain

A. x ( t ) = x ( t/2 )

B. x ( t ) = x (âˆšt )

C. x ( t ) = x ( 2t )

D. x ( t ) = x ( -t )

A. Arithmetic Status Register (ASTAT)

B. Stack Status Register (SSTAT)

C. Mode Status Register (MSTAT)

D. System Register

A. stop band

B. pass band

C. low pass band

D. high pass band

A. periodic spectra

B. discrete spectra

C. aperiodic spectra

D. continuous spectra

A. x ( n ) = x ( n + N/2 )

B. x ( n ) = x ( n + 2N )

C. x ( n ) = x ( n + N )

D. None of the above

A. high speed addition

B. high speed multiplication

C. high speed division

D. high speed subtraction

A. reduces bandwidth requirement

B. increases bandwidth requirement

C. does not have any effect on bandwidth

A. 2/3 Sec

B. 1/2 Sec

C. 1/3 Sec

D. 1/4 Sec

A. y ( n ) = x ( n2 )

B. y ( n ) = x ( n ) - 3 x (n - 2)

C. y ( n ) = x ( - n )

D. y ( n ) = n x ( n )

A. Short data record

B. Long data record

C. Average data record

A. D

B. 2D

C. 4D

D. 8D

A. reduction of the sampling rate

B. interpolation of the sampling rate

C. both reduction and interpolation of the sampling rate

D. keeping the sampling rate constant

A. x (( n ))

B. x (( n - k ))

C. x (( -n ))

D. x ( N-n ) = x ( n )

A. y ( n ) = x ( n ) + x ( n - 2 )

B. y ( n ) = e x (n)

C. y ( n ) = cos x ( n )

D. y ( n ) = x ( n ) + n x ( n - 1 )

A. all zeros

B. all poles

C. zeros as well as poles

D. No poles and zeros

A. analog signal

B. digital signal

C. even signal

D. odd signal

A. no on-chip memory

B. on-chip memory

C. attached memory

D. both on-chip and attached memories

A. It converts the time domain signal into the frequency domain signal

B. It converts the frequency domain signal into the time domain signal

C. It converts the time domain signal into the phase domain signal

D. It converts the frequency domain signal into the phase domain signal

A. the same data storage for instructions and data

B. separate data storages for instructions and data

C. no storage for instructions and data

D. storage for instructions only

A. recursive filters

B. feedback filters

C. non-recursive filters

D. notch filters

A. Decimation

B. Interpolation

C. Dissemination

D. Reduction

A. better phase resolution

B. better amplitude resolution

C. better frequency resolution

D. better leakage effects

A. Three

B. Two

C. One

D. Four

A. estimation of power spectrum

B. estimation of spectral leakage effects

C. estimation of amplitude distortion

D. estimation of noise frequency

A. linear mapping

B. frequency expansion

C. amplitude attenuation

D. non-linear mapping

A. analog to digital signals

B. digital to analog signal

C. TDM to FDM

D. FDM to CDMA

A. even and odd signals

B. periodic and non-periodic signals

C. energy and power signals

D. deterministic and random signals

A. light synthesis

B. noise synthesis

C. phase synthesis

D. speech synthesis

A. a 32-bit instruction word

B. an 8-bit instruction word

C. a 16-bit instruction word

D. a 24-bit instruction word

A. notch filters

B. digital resonators

C. all pass filters

D. mirror filters

A. infinite non zero power

B. infinite zero power

C. finite non zero power

D. finite zero power

A. on the R.H.S. of the S-Plane

B. on the L.H.S. of the S-Plane

C. inside the unit circle in the Z-domain

D. outside the unit circle in the Z-domain

A. W = 2Ï€K / N

B. W = K / N

C. W = Ï€K / 2N

D. W = 4Ï€K / N

A. Î©= 2 / Ts tan Ï‰c/ 4

B. Î©= 1 / Ts tan Ï‰c / 2

C. Î©= 2 / Ts tan Ï‰c / 2

D. Î© = 1 / Ts tan Ï‰c / 3

A. 600 Hz

B. 1800 Hz

C. 900 Hz

D. 500 Hz

A. the quadrature modulation theorem

B. the frequency modulation theorem

C. the shift modulation theorem

D. the circular modulation theorem

A. phase distortion

B. spectrum leakage effects

C. amplitude distortion

D. None of the above

A. light effect

B. vibration effect

C. sound effect

D. microwave signal effect