Doppler spectral measurement

Details Doppler spectral measurement Doppler spectral measurement

1976-09-24

1978-01-17

Farley, Richard A.

Communications: electrical

Selective

Monitoring in addition to control

343 8, G01S 966

Patent

active

040694682

ABSTRACT:
A system for Doppler frequency measurement, responsive to spectral modulation induced by a reverberant and nonlinear radiation transmissive region such as the ocean, and composed of a Fourier transformer for providing digitally the spectral lines for a set of samples of a Doppler signal, a circuit for obtaining the logarithm of the power spectrum, weighting of the logarithm by othogonal functions, and an arithmetic combination of components of the weighted logarithm.

REFERENCES:
patent: 3610901 (1971-10-01), Lynch
patent: 3721977 (1973-03-01), Darboven

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