Dilip Sarwate's user avatar
Dilip Sarwate's user avatar
Dilip Sarwate's user avatar
Dilip Sarwate
  • Member for 12 years, 7 months
  • Last seen this week
63 votes
Accepted

Understanding the Matched Filter

61 votes
Accepted

Does the autocorrelation function completely describe a stochastic process?

50 votes
Accepted

What is the distinction between ergodic and stationary?

39 votes
Accepted

Flipping the impulse response in convolution

35 votes
Accepted

Variance of White Gaussian Noise

31 votes

Why is the FFT "mirrored"?

24 votes
Accepted

I and Q components and the difference between QPSK and 4QAM

19 votes
Accepted

Deriving the Fourier transform of cosine and sine

17 votes
Accepted

Can a causal filter without phase shifts exist?

16 votes

Can we break the Shannon capacity?

15 votes
Accepted

For an LTI system, why does the Fourier transform of the impulse response give the frequency response?

13 votes
Accepted

I and Q Channels

13 votes
Accepted

Does the determination of the ergodicity of a signal force any changes in methodology?

13 votes

Information Theory - units of channel capacity

13 votes
Accepted

Alias frequency Formula

12 votes
Accepted

Difference between power spectral density, spectral power and power ratios

11 votes
Accepted

How replicas are formed in Frequency domain when a signal is sampled in Time Domain?

11 votes
Accepted

Can the Walsh Hadamard transform be computed for non power of 2 sizes?

11 votes
Accepted

Why does adding a time delayed version of a signal to itself create a filtered signal?

11 votes
Accepted

BPSK vs $\pi/2$ BPSK, what the benefits?

11 votes
Accepted

Why is $A\cos(2\pi f_ct)$ a non-stationary process?

10 votes

How does shift and scaling inside of a function affect its Fourier Transform?

10 votes
Accepted

Sampling Theorem and Dirac Comb

10 votes
Accepted

What is the cross-correlation of a WSS signal and the LTI filtered signal?

9 votes
Accepted

How to 'whiten' a time domain signal?

9 votes

What is the most lucid, intuitive explanation for the various FTs - CFT, DFT, DTFT and the Fourier Series?

9 votes

What is the relation between the PSDs of filter input and output called? $R_Y = |H|^2R_X$

9 votes

How do I add AWGN to an I and Q representation of a signal?

9 votes
Accepted

Applying FIR filter to data with different sample rates

9 votes
Accepted

What is meant by "spectral moment"?

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