Spectrum analyzer

Details Spectrum analyzer Spectrum analyzer

1989-10-13

1991-08-06

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

G01R 2316

Patent

active

050380974

ABSTRACT:
A spectrum analyzer includes an arithmetic operation unit for calculating an interpolated value of two sample levels of the signals passed through two band-pass filters having center frequencies near to each other. The interpolated value levels calculated by the arithmetic calculation unit sequentially are displayed at positions between respective two sample signal levels.

REFERENCES:
patent: 3700801 (1972-10-01), Dougherty
patent: 3701091 (1972-10-01), Lenihan
patent: 4455613 (1984-06-01), Shoemaker
patent: 4464656 (1984-08-01), Nakamura
patent: 4797923 (1989-01-01), Clarke
patent: 4802098 (1989-01-01), Hansen et al.

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