The signal which is defined only at origin i.e only at t=0 is

The time range of the signal [u(t+1)-u(t-5)] is

A discrete time sine,cosine or exponential signal is

The signal defined by x(t)= x(-t) is

A signal defined by x(t+T) = x(t) is said to be

A signal is said to be power signal if its power is

Most periodic signals are

which of the following is an operation on dependent variable

a. Amplitude scaling

b. Addition

c. Differentiation

d. time scaling

which of the following is not an operation on independent variable

a. Time scaling

b. Integration

c. Time reversal

d. Time shifting

A deterministic signal has

The sum of two periodic signals is periodic only if the ratio of their respective periods is 

Which one of the following systems is causal?

Find the convolution sum of sequences x¹[n] = [1, 2, 3] and x₂[n] = [2, 1, 4].

If a function f(t) u(t) is shifted to right side by t₀,then the function can be expressed as

What does the term y(-1) indicate especially in an equation that represents the behavior of the causal system?

Under which conditions does an initially relaxed system become unstable?

If two LTI systems with impulse response h1 (t) and h2 (t) and are connected in parallel then output is given by ______

DFT is applied to

What does the first term 'a₀' in the below stated expression of a line spectrum indicate?

x(t) = a₀ + a₁ cos w₀ t + a₂ cos2 w₀t +......+ b₁ sin w₀ t + b₂ sin w₀ t + .....

What is the possible range of frequency spectrum for discrete time fourier series (DTFS)?

The unilateral Z-Transform of sequence x[n] = {1, 2, 2, 1 } is

The Z-Transform of the function
 $\sum_{k=0}^{\infty}\delta\left[n-k\right]$  

A discrete-time signal $x\left[n\right]\ =\ \delta\left[n-3\right]+2\delta\left[n-5\right]$    has z-transform X[z]. If Y[z] = X[-z] is the z-transform of another signal y[n], then

Analog filters are characterized by

The frequency response of which filter can be changed by changing the filter coefficient

To design analog filter to a Stable and Causal digital filter, the poles show lie on which part of the S-Plane?

Which transformation technique is said to be many to one transformation?

In BLT, the non linear relationship introduces the distortion in frequency axis is said to be

In Which Transformation technique there is no problem of aliasing?

The Magnitude butterworth filter approaches the ideal response as order of the filter N

In which filter design has got monotonic in stop band and ripples in pass band in its magnitude response

Quantization error is avoided/Minimized in

The Advantages of FIR filter are (a)Stable (b)Linear phase (c) Realized in both Recursive and Non recursive Structure

The antisymmetric condition is

The symmetric condition is given by

Which of the following methods are used to convert analog filter into digital filter?

If the conversion technique is to be effective, then the LHP of s-plane should be mapped into _____________

Which of the following elements are used in the realization of a system?

A causal and stable I I R filter has

A filter is said to be linear phase filter if the phase delay and group delay are _______

FIR filters ________

A. are non-recursive

B. do not adopt any feedback

C. are recursive

D. use feedback

The process of converting the analog sample into discrete form is called

The difference between the actual analog value and approximated discrete value due to the rounding is called __________

Quantization noise ____________ the SNR of a signal.

Each quantized sample is assigned the binary code that represents the discrete amplitude value closest to the pulse's actual value. This is known as ________

Select the quantization techniques..

A high pass filter is