Ultra-precise Fast Fourier Transformation using prism signal processing

Applications: signal processing, spectral analysis, FFT, frequency, phase and amplitude measurement

The Prism FFT technique uses four windowing functions to calculate the frequency, phase and amplitude of each peak, while suppressing spectral noise. In the example, the Prism FFT calculates peak parameters with > 1000x smaller errors than the conventional FFT techniques.

Features	Benefits
Superb accuracy of peak frequency, phase and amplitude calculations	Unparalleled resolution and accuracy, even at low sampling rates
Minimises spectral leakage	High dynamic range; detects low amplitude peaks
Peak accuracy a function of local signal-to-noise ratio	Robust for high-noise applications Superb accuracy for low-noise applications
Low computational overhead	Suitable for real-time measurements

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Ultra-precise Fast Fourier Transformation using prism signal processing

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