QMC's user avatar
QMC's user avatar
QMC's user avatar
QMC
  • Member for 8 years, 8 months
  • Last seen more than a month ago
5 votes

What's the meaning of ergodicity?

5 votes
Accepted

Is sampling a Fourier transformed signal and fourier transforming a sampled signal the same?

4 votes

Why convolution is required, or what is the philosophy behind convolution?

4 votes

Effect of aliasing when sampling at higher rate

3 votes

Phase tracking in communication receivers

3 votes

What is the Fourier transform of $\delta(t-a)$

3 votes
Accepted

What is the difference between pulse shaping and equalizers when used to cancel Inter-symbol Interference (ISI)?

3 votes

Beginner's guide to OFDM

2 votes

Understanding the Matched Filter

2 votes

Relationship between FFT amplitude and sample size

2 votes
Accepted

FFT based symbol synchronization for digital demodulation

2 votes

Timing error detector used for symbol timing synchronization

2 votes

Envelope behavior dIfference between QPSK, OQPSK and $\pi/4$-QPSK

1 vote
Accepted

LMS and delta impulse response- Equalization concepts

1 vote

Discrete Time Convolution Example

1 vote
Accepted

Help find the bug in my SPLL code

1 vote

Isn't Gardner's algorithm and Early-Late gate the same thing?

1 vote

Should we use Maximal ratio combining and an equalizer together?

1 vote
Accepted

Timing recovery in GNU Radio : Variable rate vs Fixed rate operation

1 vote

Equation for impulse train as sum of complex exponentials

1 vote

Really basic question about OFDM

1 vote
Accepted

Conceptual Question on equalization technique in rayleigh fading channel based on a paper

1 vote

Help in analytical expression of BER for M-QAM

1 vote

Output gain when upsampling and downsampling

1 vote

Continuous and discrete-time raised cosine filter properties in frequency domain

1 vote

Sampling and Reconstructing Digital Signal

1 vote

Software PLL tracking of carrier frequency in bandlimited transmission

0 votes

What is meant by "correlation" when referring to spectral coherence

0 votes

Why the correct probability for a square M-QAM is equal to the square of correct probability of ($\sqrt M$)-PAM?

0 votes

Why downsample exhibit wider bandwidth when doing discrete time fourier transform?