FR1415501A - Contraction de signaux et décodage de tirs codés - Google Patents

Contraction de signaux et décodage de tirs codés

Info

Publication number
FR1415501A
FR1415501A FR830474A FR830474A FR1415501A FR 1415501 A FR1415501 A FR 1415501A FR 830474 A FR830474 A FR 830474A FR 830474 A FR830474 A FR 830474A FR 1415501 A FR1415501 A FR 1415501A
Authority
FR
France
Prior art keywords
shots
coded
contraction
decoding
signals
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.)
Expired
Application number
FR830474A
Other languages
English (en)
Inventor
Jean-Pierre Fail
Gerard Grau
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR830474A priority Critical patent/FR1415501A/fr
Application granted granted Critical
Publication of FR1415501A publication Critical patent/FR1415501A/fr
Priority to US564448A priority patent/US3365697A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/003—Seismic data acquisition in general, e.g. survey design
    • G01V1/005—Seismic data acquisition in general, e.g. survey design with exploration systems emitting special signals, e.g. frequency swept signals, pulse sequences or slip sweep arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • G01V1/37—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy specially adapted for seismic systems using continuous agitation of the ground, e.g. using pulse compression of frequency swept signals for enhancement of received signals
    • G01V1/375—Correlating received seismic signals with the emitted source signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR830474A 1960-06-17 1960-06-17 Contraction de signaux et décodage de tirs codés Expired FR1415501A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR830474A FR1415501A (fr) 1960-06-17 1960-06-17 Contraction de signaux et décodage de tirs codés
US564448A US3365697A (en) 1960-06-17 1966-07-11 Seismic prospecting by filtering the received seismic signals in accordance with theinverse firing code of the transmitted signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830474A FR1415501A (fr) 1960-06-17 1960-06-17 Contraction de signaux et décodage de tirs codés

Publications (1)

Publication Number Publication Date
FR1415501A true FR1415501A (fr) 1965-10-29

Family

ID=8733746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830474A Expired FR1415501A (fr) 1960-06-17 1960-06-17 Contraction de signaux et décodage de tirs codés

Country Status (2)

Country Link
US (1) US3365697A (fr)
FR (1) FR1415501A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397644A1 (fr) * 1976-10-07 1979-02-09 Hydroacoustic Inc Methode et appareil pour la production et la transmission de signaux sismiques
EP0051916A1 (fr) * 1980-10-06 1982-05-19 Texas Instruments Incorporated Prospection sismique au moyen d'un système de transmission d'énergie et d'enregistrement en continu

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2041016A1 (fr) * 1969-05-14 1971-01-29 Inst Francais Du Petrole
US3697938A (en) * 1969-11-07 1972-10-10 Seismic Computing Corp Seismic prospecting with random injected signal
US4146871A (en) * 1975-02-28 1979-03-27 Mobil Oil Corporation Determination of reflectivity and water depth for firing marine sources as an inverse distortion operator
US4234938A (en) * 1977-10-25 1980-11-18 Mobil Oil Corporation Determination of reflectivity and water depth for marine seismic exploration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2156198A (en) * 1937-02-15 1939-04-25 Engineering Lab Inc Method for seismic prospecting
US2320248A (en) * 1942-01-07 1943-05-25 Soconyvacuum Oil Company Inc Method for seismic surveying
US2706011A (en) * 1950-07-27 1955-04-12 Exxon Research Engineering Co Seismic exploration with shots above ground
US3076176A (en) * 1957-06-27 1963-01-29 Socony Mobil Oil Co Inc First break controlled inverse seismic filtering
US3096846A (en) * 1958-12-31 1963-07-09 Western Geophysical Co Method and apparatus for seismographic exploration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397644A1 (fr) * 1976-10-07 1979-02-09 Hydroacoustic Inc Methode et appareil pour la production et la transmission de signaux sismiques
EP0051916A1 (fr) * 1980-10-06 1982-05-19 Texas Instruments Incorporated Prospection sismique au moyen d'un système de transmission d'énergie et d'enregistrement en continu

Also Published As

Publication number Publication date
US3365697A (en) 1968-01-23

Similar Documents

Publication Publication Date Title
CH393144A (de) Magnetisch-elektrischer Signalgeber
FR1415501A (fr) Contraction de signaux et décodage de tirs codés
BE610101A (fr) Enregistreur
FR1263118A (fr) Jeu éducatif
BE609876A (fr) Compositions et solutions perfectionnées de polymères synthétiques
FR1271188A (fr) Pauneau de construction préfabriqué et ses applications
FR1263348A (fr) Coeur de voies ferrées
FR1261392A (fr) Jeu policier
FR1265903A (fr) Jouet mécanique
FR77164E (fr) Signal de pré-stationnement
FR1270679A (fr) Ancrage ou entretoise inarrachable
FR1250151A (fr) Procédé et installation pour la transmission de signaux de télécommunication en code bivalent
FR1306761A (fr) Production de résines et de polymères pulvérisés
FR1251584A (fr) Transmetteur mécanique
FR1270151A (fr) Jeu de pétanque
BE602867A (fr) Production de pyrrolidinones et pipéridinones substituées
CH395576A (de) Magnettongerät
CH395188A (de) Signalübertragungsanlage
FR106M (fr) Nouveaux sels de penicillines.
FR1285283A (fr) Mode de réalisation de charpentes
FR1253078A (fr) Jouet mécanique
BE601969A (fr) Pénicillines
FR1287689A (fr) Récepteur de signaux manipulés en phase
FR1283627A (fr) Tourne-disques
BE601268A (fr) Tourne-disques