FIELD: physics.
SUBSTANCE: this group of inventions concerns instrument technology and can be applied in noise source detection in machines, mechanisms and systems, as well as construction elements located on vehicles during vehicle diagnostics. The method of discrete component separation in a signal spectre involves obtaining of the signal threshold level and separation of signal spectre maximums, so that before signal spectre maximum separation a smoothed continuous subspectrum is separated, then the spectre base level is defined as an amount of the said smoother continuous subspectrum and the spectre threshold level, and as the discrete signal spectre maximums those spectre readings with maximum level are taken, which belong to the groups of close spectral components exceeding the said base level. The device for separation of discrete signal components in a signal spectre includes narrowband spectre analyser, spectre maximum separation unit, threshold level obtaining unit, smoothed continuous subspectrum separation unit, and adder, interconnected in a proper pattern.
EFFECT: extended frequency range.
2 cl, 5 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF SUPPRESSION OF STRUCTURAL NOISE OF RECEIVING CHANNEL OF DISCRETE ANTENNA | 2012 |
|
RU2503031C1 |
METHOD FOR MEASURING ENERGY WIDTH OF SPECTRAL DIGITAL NOISE COMPONENT OF SOURCE | 2003 |
|
RU2245605C2 |
METHOD OF DETECTING SIGNAL OF SOURCE GIVING RISE TO DISCRETE COMPONENT IN SPECTRUM OF COMPOSITE SIGNAL OF SEVERAL SOURCES | 2009 |
|
RU2393490C1 |
DEVICE FOR DETECTION OF NARROW-BAND NOISE HYDROACOUSTIC SIGNALS BASED ON CALCULATION OF INTEGRAL WAVELET-SPECTRUM | 2007 |
|
RU2367970C2 |
DETERMINATION METHOD OF PARAMETERS OF LINED VOICED SOUNDS SPECTRUMS AND SYSTEM FOR ITS REALISATION | 2007 |
|
RU2364957C1 |
DEVICE FOR HYDROMETEOROLOGICAL OBSERVATIONS OF SEA RANGE WATER AREA | 2005 |
|
RU2300781C1 |
DEVICE FOR SUPPRESSION OF NARROW-BAND NOISE | 1998 |
|
RU2132592C1 |
APPARATUS FOR DETECTING HYDROACOUSTIC NOISE SIGNALS IN FORM OF SEQUENCE OF SOUNDS BASED ON CALCULATING INTEGRAL WAVELET SPECTRUM | 2011 |
|
RU2464588C1 |
DEVICE FOR EARLY DIAGNOSIS OF THE FORMATION AND DEVELOPMENT OF MICROCRACKS IN MACHINE PARTS AND STRUCTURES | 2022 |
|
RU2788311C1 |
CLASSIFICATION METHOD FOR HYDROACOUSTIC NOISE EMISSION SIGNALS OF A MARINE OBJECT | 2022 |
|
RU2801677C1 |
Authors
Dates
2008-08-20—Published
2006-11-02—Filed