"P(1M0501)" . "Salava, Tom\u00E1\u0161" . . . "Program SPAD and its Use in Noise Abatement of Propeller Driven Airplanes." . "Program SPAD and its Use in Noise Abatement of Propeller Driven Airplanes." . . "CZ - \u010Cesk\u00E1 republika" . . . "[6A563166A35B]" . "3" . . . "The result is a computing program ( program SPAD ), which is intended for fast analysis of the noise of propeller driven airplanes. The program works on the principle of spectral decomposition. It computes continuously high-resolution discrete short-time spectra of the analyzed noise, traces the periodic noise components in the spectra, and separates them from the rest noise. Then it evaluates independently the separated periodic noise components produced by the propeller ( or propellers ) and the rest noise, without the propeller noise components. Its adjunct procedures make possible to back-transform or re-synthesize the separated noise components." . . . . "1"^^ . "CZECH AEROSPACE Proceedings" . . "propeller; aircraft; noise; spectra; analysis; decomposition; evaluation"@en . . "V\u00FDsledkem je v\u00FDpo\u010Detn\u00ED program ( SPAD ) ur\u010Den\u00FD rychlou anal\u00FDzu hluku turbovrtulov\u00FDch letadel. Program pracuje na principu spektr\u00E1ln\u00ED dekompozice. Po\u010D\u00EDt\u00E1 pr\u016Fb\u011B\u017En\u011B diskr\u00E9tn\u00ED spektra analyzovan\u00E9ho sign\u00E1lu s vysok\u00FDm rozli\u0161en\u00EDm, vyhled\u00E1v\u00E1 a sleduje periodick\u00E9 komponenty a separuje. D\u00E1le pak vyhodnocuje samostatn\u011B periodick\u00E9 slo\u017Eky hluku generovan\u00E9 vrtulemi a zbytkov\u00FD hluk bez vrtulov\u00FDch slo\u017Eek. Dopl\u0148kov\u00E9 procedury umo\u017E\u0148uj\u00ED d\u00E1le zp\u011Btnou transformaci nebo synt\u00E9zu separovan\u00FDch hlukov\u00FDch slo\u017Eek"@cs . "5"^^ . "Program SPAD and its Use in Noise Abatement of Propeller Driven Airplanes."@en . "1"^^ . . "2006" . . . . "RIV/00010669:_____/06:#0000171!RIV07-MSM-00010669" . "RIV/00010669:_____/06:#0000171" . "Program SPAD and its Use in Noise Abatement of Propeller Driven Airplanes."@en . "495333" . . "Program SPAD a jeho pou\u017Eit\u00ED p\u0159i sni\u017Eov\u00E1n\u00ED hluku turbovrtulov\u00FDch letadel"@cs . "14-18" . "1211-877X" . "The result is a computing program ( program SPAD ), which is intended for fast analysis of the noise of propeller driven airplanes. The program works on the principle of spectral decomposition. It computes continuously high-resolution discrete short-time spectra of the analyzed noise, traces the periodic noise components in the spectra, and separates them from the rest noise. Then it evaluates independently the separated periodic noise components produced by the propeller ( or propellers ) and the rest noise, without the propeller noise components. Its adjunct procedures make possible to back-transform or re-synthesize the separated noise components."@en . . "Program SPAD a jeho pou\u017Eit\u00ED p\u0159i sni\u017Eov\u00E1n\u00ED hluku turbovrtulov\u00FDch letadel"@cs . .