Frequency Interpolation - Grandke's Method creekmor 0 242
I have a question about Grandke's method of frequency interpolation. (I suspect this question has been asked before). Using the Hanning window (and ...

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Magnitude of a 3d vector Vladimir 1 326
There was a need for quick and dirty approximation of the magnitude of the 3-dimensional vector (x,y,z). This is what worked best: Let x = max(...

semantics... rbj 11 125
dunno if this is of any interest, but once in a while, even within the *same* discipline, you get these opposing (or at least different) meanings fo...

What is the maximum clock rate given the state of today's technology? GreenXenon 2 118
Hi: What is the maximum physically-possible clock rate [measured in Hz] of a 1-bit-per-cycle, single-core, purely-serial processor? Thank a b...

Calibrating FFT results, amplitude in to magnitude out Brian 9 137
Hello all, There is one factor that seems to be missing from texts which describe the DFT/FFT (or perhaps I have missed it). That is: The correl...

Executive MBA Aspirants! Listen to experts@ Executive MBA Conference (Mar 26th,Blore) Akram 0 113
Hello, Are you an IT professional looking to improve your leadership skills? Want to stay ahead in this competitive environment and lead with pas...

Energy in a signal as a function of sampling Andy365 18 111
Hello again gurus, assume we sample an analog signal: gi=g(i*dt). The real energy of the signal is given by the integral of the square of the sig...

Determining "effective" length of signal from frequency spectrum andreas_w_paulsen 6 128
Hello gurus, say you have an (almost) random real frequency spectrum: G(f). You sample this spectrum at df: Gi = G(i*df). Next you take the IDFT of...

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