Definition of spectrum analyser in English:

spectrum analyser


  • A device for analysing a system of oscillations, especially sound, into its separate components.

    • ‘One of the world's largest test and measurement companies donated the spectrum analyser to the observatory.’
    • ‘But then Norman found out his equipment was only processing 20 per cent of the information it received and needed a spectrum analyser.’
    • ‘Put a bell through a spectrum analyser and most times out of ten, the thing will flip out.’
    • ‘The light detected by the receiver is transmitted through an optical fibre to a computerised spectrum analyser.’
    • ‘They used special compressed-air blowing apparatus to ensure a consistent blowing pressure, and analysed the sound produced from each flute using an oscilloscope with a built-in spectrum analyser.’