10 questions linked to/from Implementing continuous phase/Arg function
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### Can I unfold the triangular wave? [duplicate]

I have triangle wave function such as ...
315 views

### Phase Unwrap List Of Points: Implementing continuous phase/Arg function for List of Points [duplicate]

I am looking for a function to unwrap phase of a list of points as done here for the continuous case. I have the Re/Im data as my input and would like the unwrapped phase as the output. Does anyone ...
2k views

### How do I get rid of a “jump” in my plot?

How can I prevent plotting functions from "connecting" inside a plot points that should "wrap around" outside the plot? For example, how do I eliminate the horizontal lines running across the ...
452 views

How can I find the simplest curve that gives me a scroll like this? This is where I am at the moment and doing it by hand is becoming more and more cumbersome. First, take a drawing of the scroll ...
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### How to demodulate an FM signal in continuous-time?

I'm not sure if this is a math or Mathematica question, but I'm posting it here because I'm interested in possible Mathematica tools/functions to solve the problem. I'm stuck. I want to simulate ...
578 views

### Getting Arg[z] to go from $0$ to $2\pi$

I'm defining branch cut functions, and I'm using $\arg(z)$ as a building block. So I just spent an hour at the whiteboard assuming that $\arg(z)$ goes from $0$ to $2\pi$, and then I implement the code,...
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### Fourier Analysis: How to get rid of a discontinuity

When I compute the phase error of a spatial series data using Fourier analysis in Mathematica there's a discontinuity @ parameter ...
748 views

### Fixing phase unwrapping jumps

The problem of unwrapping 1D phase often comes up in Fourier analysis: someone computes a DFT of some data, the resulting phase values fall between $-\pi$ and $\pi$, and they'd like to "unwrap" these ...
I'm trying to solve for the roots of an equation like $f(a, n) = \frac{n^2}{n+1} e^{i a n }$ for some list of complex $f$ values. For each $f$ value I know the (real) value of $a$, and I'd like ...