Frequency spectrum analyzer

Details Frequency spectrum analyzer Frequency spectrum analyzer

1975-07-07

1977-06-21

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

324 77G, 328167, G01R 2316

Patent

active

040314626

ABSTRACT:
A system is disclosed for analyzing in real time the frequency spectrum of an incoming signal of unknown frequency characteristics. This is accomplished by first generating a train of sampling pulses in repetitive frames, where each frame of pulses represents a series of cross-correlation functions in terms of a predetermined number of sampling intervals and a predetermined number of harmonics. These sampling pulses are then multiplied with the incoming signal to generate a train of discrete sampled outputs. The discrete sampled outputs from the multiplying means are accumulated in an accumulator and a frequency domain output signal is produced for each frame of sampling pulses.

REFERENCES:
patent: 3065419 (1962-11-01), Markson et al.
patent: 3566035 (1971-02-01), Noll
patent: 3674998 (1972-07-01), Benz
patent: 3728623 (1973-04-01), Dubois
patent: 3803390 (1974-04-01), Schaepman

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