JPS51112377A - Signal analysis device - Google Patents

Signal analysis device

Info

Publication number
JPS51112377A
JPS51112377A JP3675075A JP3675075A JPS51112377A JP S51112377 A JPS51112377 A JP S51112377A JP 3675075 A JP3675075 A JP 3675075A JP 3675075 A JP3675075 A JP 3675075A JP S51112377 A JPS51112377 A JP S51112377A
Authority
JP
Japan
Prior art keywords
analysis device
signal analysis
signal
autocorrelation
sounds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3675075A
Other languages
Japanese (ja)
Inventor
Yasuaki Nakano
Kageyoshi Katakura
Makoto Shioda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3675075A priority Critical patent/JPS51112377A/en
Publication of JPS51112377A publication Critical patent/JPS51112377A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: Signal analysis device for passive sonar waves sound and especially for characteristic resonance frequency of sounds from sailing ships, accumulates autocorrelation for linear estimation coefficient and excludes noise, adapting itself to dynamic change of the signal.
COPYRIGHT: (C)1976,JPO&Japio
JP3675075A 1975-03-28 1975-03-28 Signal analysis device Pending JPS51112377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3675075A JPS51112377A (en) 1975-03-28 1975-03-28 Signal analysis device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3675075A JPS51112377A (en) 1975-03-28 1975-03-28 Signal analysis device

Publications (1)

Publication Number Publication Date
JPS51112377A true JPS51112377A (en) 1976-10-04

Family

ID=12478396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3675075A Pending JPS51112377A (en) 1975-03-28 1975-03-28 Signal analysis device

Country Status (1)

Country Link
JP (1) JPS51112377A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119087A (en) * 1977-03-26 1978-10-18 Toyo Seikan Kaisha Ltd Method and device for testing inner pressure of sealed container
JP2006329979A (en) * 2005-05-20 2006-12-07 Tektronix Inc Measuring instrument, autocorrelation trigger generation method and generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119087A (en) * 1977-03-26 1978-10-18 Toyo Seikan Kaisha Ltd Method and device for testing inner pressure of sealed container
JP2006329979A (en) * 2005-05-20 2006-12-07 Tektronix Inc Measuring instrument, autocorrelation trigger generation method and generator

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