JPS52127272A - Operator - Google Patents

Operator

Info

Publication number
JPS52127272A
JPS52127272A JP4243976A JP4243976A JPS52127272A JP S52127272 A JPS52127272 A JP S52127272A JP 4243976 A JP4243976 A JP 4243976A JP 4243976 A JP4243976 A JP 4243976A JP S52127272 A JPS52127272 A JP S52127272A
Authority
JP
Japan
Prior art keywords
operator
frequency area
sensitive
calculate
combination
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
JP4243976A
Other languages
Japanese (ja)
Inventor
Masayuki Izumi
Izumi Yamada
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 JP4243976A priority Critical patent/JPS52127272A/en
Publication of JPS52127272A publication Critical patent/JPS52127272A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a combination of effective value operators and specific filters, etc. to calculate a frequency component parameter which is more sensitive in the low frequency area than the high frequency area.
COPYRIGHT: (C)1977,JPO&Japio
JP4243976A 1976-04-16 1976-04-16 Operator Pending JPS52127272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4243976A JPS52127272A (en) 1976-04-16 1976-04-16 Operator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4243976A JPS52127272A (en) 1976-04-16 1976-04-16 Operator

Publications (1)

Publication Number Publication Date
JPS52127272A true JPS52127272A (en) 1977-10-25

Family

ID=12636094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4243976A Pending JPS52127272A (en) 1976-04-16 1976-04-16 Operator

Country Status (1)

Country Link
JP (1) JPS52127272A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452092U (en) * 1977-09-20 1979-04-11
JP2013092391A (en) * 2011-10-24 2013-05-16 Toshiba Corp Frequency measurement device and frequency measurement method of electric power system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452092U (en) * 1977-09-20 1979-04-11
JP2013092391A (en) * 2011-10-24 2013-05-16 Toshiba Corp Frequency measurement device and frequency measurement method of electric power system

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