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Olli Niemitalo's user avatar
Olli Niemitalo's user avatar
Olli Niemitalo's user avatar
Olli Niemitalo
  • Member for 9 years, 2 months
  • Last seen this week
4 votes
Accepted

Classifying a time series with a Lorentzian power spectral density

4 votes

How to recover $f(t)$ from Fourier Transform of its absolute value $\mathcal{F}|f(t)|$?

4 votes

Algorithm for 1d spline interpolation suitable for 8 bit microcontroler

4 votes
Accepted

Causal Noise Free 1st Order Derivative in Discrete Domain

4 votes

Flipping the impulse response in convolution

4 votes
Accepted

Fast way to calculate a few points in convolution?

4 votes
Accepted

Optimal window function for amplitude estimation?

4 votes
Accepted

Why does this image look so bad when dithered with a certain palette?

4 votes

Whittaker-Shannon ($\mathrm{sinc}$) interpolation for a finite number of samples

4 votes
Accepted

Efficient implementation of 2-d circularly symmetric low-pass filter

4 votes

How to get Fourier coefficients to draw any shape using DFT?

4 votes
Accepted

Optimal amplitude of an $m$-bit sinusoid

4 votes

Spherical equivalent of Nyquist frequency

4 votes

Best Approach to Rank Complex Magnitude Comparision Problem

4 votes

Is there a recommended amount of attenuation for rectifying edge artefacts?

4 votes
Accepted

DSP low pass filter (IIR) no longer works when changed to a new MCU

4 votes

One Sided Waveforms in Discrete Time and Frequency?

4 votes
Accepted

What process could generate this kind of noise in the multitaper spectrum?

3 votes

Trying to understand how to get this basic Fourier Series

3 votes

FFT of a AM modulated signal

3 votes
Accepted

Guassian Derivatives with orientations

3 votes
Accepted

A cubic interpolation function: folkloric copypasta or clever trade-off?

3 votes
Accepted

How would you interpret the pattern in this picture? (generated by re-sorting pixels based on their RGB value)

3 votes
Accepted

Time series of Poisson Process

3 votes
Accepted

What is discrete angular frequency?

3 votes
Accepted

Getting the bitstream of an unknown RF signal

3 votes
Accepted

Method for determining probe angle by analyzing skewed sine wave

3 votes

IIR Hilbert Transformer

3 votes

What are trellis?

3 votes
Accepted

Weird note structure on guitar audio waveform

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