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Questions tagged [real-analysis]

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2 votes
3 answers
175 views

What algorithm and approach could isolate low-frequency vibration in an engine-driven, double gear-reduced propeller system?

I have a drivetrain setup where I have a ~3Hz vibration which I can feel quite strongly in the seat of my pants, but can't seem to see in accelerometer data. Below is a diagram of the system. There is ...
Kenn Sebesta's user avatar
1 vote
0 answers
68 views

Which conditions must fulfill a time-limited signal (so of unlimited bandwidth) $f(t)$ to have a bounded maximum slew rate?

Which conditions must fulfill a time-limited signal (so of unlimited bandwidth) $f(t)$ to have a bounded maximum slew rate? I want to know about which conditions must fulfill a real-valued time-...
Joako's user avatar
  • 183
0 votes
2 answers
1k views

Signals in real world?especially natural signals?

Do all the signals in real world ,that are of interest in engineering(for measurements or processing)are only continous/analog or there any other alternatives also? For example birds make voice,...
DSP_CS's user avatar
  • 1,884
4 votes
2 answers
884 views

Understanding the Probability Distribution of Intensity Values

From "Digital Image Processing 4th ed. - Gonzalez, Woods" Let $p_r(r)$ and $p_s(s)$ denote the PDFs of intensity values $r$ and $s$ in two different images. A fundamental result from probability ...
NTAuthority's user avatar