NO147931C - Apparat til overvaakning av et inngangssignal. - Google Patents

Apparat til overvaakning av et inngangssignal.

Info

Publication number
NO147931C
NO147931C NO771334A NO771334A NO147931C NO 147931 C NO147931 C NO 147931C NO 771334 A NO771334 A NO 771334A NO 771334 A NO771334 A NO 771334A NO 147931 C NO147931 C NO 147931C
Authority
NO
Norway
Prior art keywords
monitoring
input signal
input
signal
Prior art date
Application number
NO771334A
Other languages
English (en)
Other versions
NO147931B (no
NO771334L (no
Inventor
James L Roberts
William P Harthill
Original Assignee
Honeywell Inc
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
Priority claimed from US05/678,016 external-priority patent/US4038540A/en
Priority claimed from US05/681,103 external-priority patent/US4071821A/en
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of NO771334L publication Critical patent/NO771334L/no
Publication of NO147931B publication Critical patent/NO147931B/no
Publication of NO147931C publication Critical patent/NO147931C/no

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Remote Sensing (AREA)
  • Algebra (AREA)
  • Computing Systems (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
NO771334A 1976-04-19 1977-04-18 Apparat til overvaakning av et inngangssignal. NO147931C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/678,016 US4038540A (en) 1976-04-19 1976-04-19 Quadrature correlation pulse detector
US05/681,103 US4071821A (en) 1976-04-28 1976-04-28 Quadrature correlation phase determining apparatus

Publications (3)

Publication Number Publication Date
NO771334L NO771334L (no) 1977-10-20
NO147931B NO147931B (no) 1983-03-28
NO147931C true NO147931C (no) 1983-07-06

Family

ID=27101936

Family Applications (1)

Application Number Title Priority Date Filing Date
NO771334A NO147931C (no) 1976-04-19 1977-04-18 Apparat til overvaakning av et inngangssignal.

Country Status (3)

Country Link
FR (1) FR2349241A1 (no)
GB (1) GB1534657A (no)
NO (1) NO147931C (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496297A1 (fr) * 1980-12-12 1982-06-18 Thomson Csf Dispositif de calcul de la pseudo-variance des periodes instantanees d'un signal alternatif
US5995907A (en) * 1998-02-05 1999-11-30 Geoquest Seismic signal processing method and apparatus for generating time slice or horizon maps in response to seismic traces and quadrature traces to determine geologic features

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI53904C (fi) * 1972-03-17 1978-08-10 Nokia Oy Ab Foerfarande foer demodulering av en differentialt fasmodulerad signal
US3778822A (en) * 1972-04-27 1973-12-11 Gen Electric Sum-rank normalized detection apparatus
FR2184513B1 (no) * 1972-05-19 1978-03-03 Thomson Csf
US3925732A (en) * 1974-01-14 1975-12-09 Furuno Electric Co Signal detecting device

Also Published As

Publication number Publication date
FR2349241B1 (no) 1983-10-14
FR2349241A1 (fr) 1977-11-18
GB1534657A (en) 1978-12-06
NO147931B (no) 1983-03-28
NO771334L (no) 1977-10-20

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