Higher Study | Signals and Systems

An IIR filter having numerator order M and denominator order N is to be realized using direct form II structure. How much total number of multiplications, additions and memory locations are required respectively ?

ক

M + N, M + N and M + N

খ

M + N, M + N and maximum of {M, N}

গ

M + N + 1, M + N + 1 and M + N

ঘ

M + N + 1, M + N and maximum of {M, N}

The given figure shows the pole zero pattern of a filter in the S-plane. The Filter in question is a

ক

Band elimination filter

খ

Band pass filter

গ

Low Pass Filter

ঘ

High Pass Filter

What is the roll-off rate of voltage gain vs frequency of a second order low pass filter?

ক

-6dB/octave

খ

-12dB/octave

গ

-6dB/decade

ঘ

-12dB/decade

Which one of the following is the advantage of FIR filter over IIR filter?

ক

FIR filter is always unstable

খ

In case of FIR filter, the design methods are non-linear

গ

FIR filter can have an exact linear phase

ঘ

FIR filter can not be realized efficiently in hardware

Which one of the following is the advantage of FIR filter over IIR filter ?

ক

FIR filter can have an exact linear phase.

খ

FIR filter is always unstable.

গ

For FIR filter, the design methods are non-linear.

ঘ

FIR filter cannot be realized efficiently in hardware

Which one of the following filters is used to recover original signal from its sample ?

ক

Low pass filter

খ

High pass filter

গ

Band pass filter

ঘ

Band reject filter

Which filters exhibit their dependency upon the system design for stability purposes?

ক

IIR

খ

FIR

গ

Both (1) and (2)

ঘ

None of the above

In FIR filter design, which of the following windows gives least peak side lobe level assuming equal width of the windows?

ক

Rectangular

খ

Barlett

গ

Hamming

ঘ

Hanning

Higher Study | Signals and Systems | Digital Filters