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1. (US20190138572) METHOD AND DEVICE FOR REDUCING NOISE IN A MODULATED SIGNAL

Office : United States of America
Application Number: 16097022 Application Date: 27.04.2017
Publication Number: 20190138572 Publication Date: 09.05.2019
Publication Kind : A1
Prior PCT appl.: Application Number:PCTEP2017060087 ; Publication Number: Click to see the data
IPC:
G06F 17/18
H04L 27/14
H04L 27/233
H04B 1/10
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
17
Digital computing or data processing equipment or methods, specially adapted for specific functions
10
Complex mathematical operations
18
for evaluating statistical data
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27
Modulated-carrier systems
10
Frequency-modulated carrier systems, i.e. using frequency-shift keying
14
Demodulator circuits; Receiver circuits
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27
Modulated-carrier systems
18
Phase-modulated carrier systems, i.e. using phase-shift keying
22
Demodulator circuits; Receiver circuits
233
using non-coherent demodulation
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
1
Details of transmission systems, not covered by a single one of groups H04B3/-H04B13/123; Details of transmission systems not characterised by the medium used for transmission
06
Receivers
10
Means associated with receiver for limiting or suppressing noise or interference
CPC:
G06F 17/18
H04B 1/10
H04L 27/14
H04L 27/2334
Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Inventors: Iouri MOUKHARSKI
Priority Data: 1653787 28.04.2016 FR
Title: (EN) METHOD AND DEVICE FOR REDUCING NOISE IN A MODULATED SIGNAL
Abstract: front page image
(EN)

A method for reducing noise in a modulated electrical signal having a carrier frequency, includes acquiring in the time domain the modulated signal so as to obtain a plurality of pieces of the modulated signal; calculating, by transformation in the frequency domain, a spectrum of each piece of the modulated signal, the spectrum including an upper sideband extending over a range of frequencies greater than the carrier frequency, and a lower sideband extending over a range of frequencies lower than the carrier frequency, the spectrum including first values belonging to the upper sideband and second values belonging to the lower sideband; calculating a power spectrum for each piece of the modulated signal from the first values of the upper sideband and the second values of the lower sideband of the spectrum of each piece of the modulated signal; calculating an average of the power spectra.


Also published as:
EP3449381WO/2017/186861