Vector signal analyzer: Difference between revisions

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DSP and display stage: lk IQ data, CN
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===DSP and display stage===
Once the signal is digitized, it is separated into [[quadrature phase|quadrature]] and in-phase components ([[I/Q data]]) using a quadrature detector, which is typically {{cn|date=February 2024}} implemented with a [[Hilbert transform#Discrete Hilbert transform|discrete Hilbert transform]]. Several measurements are made and displayed using these signal components and various [[digital signal processing|DSP]] processes, such as the ones below.
 
==== Signal spectrum from FFT ====