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Fraïssé
  • Member for 9 years, 11 months
  • Last seen this week
  • Ichibankan, 5 Chome-3-12 Ginza, Chuo City, Tokyo, Japan
17 votes
4 answers
15k views

Why is the Fourier transform of a Dirac comb a Dirac comb?

6 votes
3 answers
16k views

How does averaging increase the Signal to Noise ratio?

4 votes
3 answers
1k views

How do you apply Kalman Filter to track a signal?

4 votes
1 answer
438 views

What is the theoretical upperbound of information that could be transmitted by a device per second?

3 votes
2 answers
798 views

How to intuitively understand the state space formulation of discrete time system?

2 votes
1 answer
747 views

Wavelets: How does the admissibility condition imply this $\Psi(0)=0$

2 votes
3 answers
300 views

Soft question: Why do we need to reconstruct a signal?

2 votes
1 answer
8k views

How to translate "phase" into "delay"

2 votes
2 answers
123 views

Mathematically speaking, is a "signal" a function or the set of outputs from a function

2 votes
1 answer
213 views

Control theory: how do you initialize input for a model predictive controller?

2 votes
4 answers
670 views

For the square wave signal, why does a narrower square wave correspond to more spread in the frequency domain?

1 vote
2 answers
62 views

Audio is sampled at 48 kHz, or 48000 samples per second. Does that mean 48000 bits (or 6000 bytes) of storage?

1 vote
5 answers
393 views

What tools do you use to create signal processing plots?

1 vote
1 answer
850 views

What is the physical interpretation of the dB scale on a bode plot and what is a negative dB?

1 vote
1 answer
508 views

Claim: Given sampling time T, the hold operator is approximated at low frequency by a time delay of T/2

1 vote
1 answer
905 views

What is the difference between a sampled time system and a discrete time system?

1 vote
1 answer
5k views

What does "real time" signal processing mean?

1 vote
3 answers
721 views

Need critical help: How to detect and distinguish two very similar looking signals?

0 votes
2 answers
5k views

Why is this MATLAB butterworth filter giving me wrong results

0 votes
1 answer
2k views

Why use Wavelet Denosing instead of Band pass Filtering

0 votes
1 answer
399 views

What is the official definition of a feature in signal classification?

0 votes
1 answer
2k views

How to prove this theorem about the Z transform and final value theorem?

0 votes
2 answers
310 views

What is done to minimize distortion due to the hold operation?

0 votes
1 answer
562 views

Can someone explain complex mapping as appears in Ogata's textbook

0 votes
2 answers
543 views

Why is my bode plot showing periodic behavior?

0 votes
1 answer
22 views

Are systems considered causal if they depend on prediction of future inputs?

-3 votes
2 answers
476 views

What is the best OS for real time signal processing? [closed]