AT346917B - Verfahren zum anheben des signal/rausch- verhaeltnisses eines zeitabhaengigen abtast- signals bei einem periodischen abtastverfahren - Google Patents

Verfahren zum anheben des signal/rausch- verhaeltnisses eines zeitabhaengigen abtast- signals bei einem periodischen abtastverfahren

Info

Publication number
AT346917B
AT346917B AT747075A AT747075A AT346917B AT 346917 B AT346917 B AT 346917B AT 747075 A AT747075 A AT 747075A AT 747075 A AT747075 A AT 747075A AT 346917 B AT346917 B AT 346917B
Authority
AT
Austria
Prior art keywords
signal
sample
increasing
noise ratio
time
Prior art date
Application number
AT747075A
Other languages
English (en)
Other versions
ATA747075A (de
Inventor
Hansjoerg Dr Ing Et Schlaepfer
Original Assignee
Contraves Ag
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 Contraves Ag filed Critical Contraves Ag
Publication of ATA747075A publication Critical patent/ATA747075A/de
Application granted granted Critical
Publication of AT346917B publication Critical patent/AT346917B/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2273—Homing guidance systems characterised by the type of waves
    • F41G7/2293—Homing guidance systems characterised by the type of waves using electromagnetic waves other than radio waves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2253—Passive homing systems, i.e. comprising a receiver and do not requiring an active illumination of the target
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Details Of Television Scanning (AREA)
  • Television Systems (AREA)
AT747075A 1974-10-25 1975-09-30 Verfahren zum anheben des signal/rausch- verhaeltnisses eines zeitabhaengigen abtast- signals bei einem periodischen abtastverfahren AT346917B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1431574A CH583910A5 (de) 1974-10-25 1974-10-25

Publications (2)

Publication Number Publication Date
ATA747075A ATA747075A (de) 1978-04-15
AT346917B true AT346917B (de) 1978-12-11

Family

ID=4399790

Family Applications (1)

Application Number Title Priority Date Filing Date
AT747075A AT346917B (de) 1974-10-25 1975-09-30 Verfahren zum anheben des signal/rausch- verhaeltnisses eines zeitabhaengigen abtast- signals bei einem periodischen abtastverfahren

Country Status (14)

Country Link
US (1) US3997774A (de)
JP (2) JPS5844991B2 (de)
AT (1) AT346917B (de)
BE (1) BE833878A (de)
CA (1) CA1065467A (de)
CH (1) CH583910A5 (de)
DK (1) DK480475A (de)
FR (1) FR2307415A1 (de)
GB (1) GB1528991A (de)
IE (1) IE42133B1 (de)
IT (1) IT1045492B (de)
LU (1) LU73449A1 (de)
NL (1) NL168949C (de)
SE (1) SE400011B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1588018A (en) * 1977-06-29 1981-04-15 Barr & Stroud Ltd Radiation scanning system
US4330833A (en) * 1978-05-26 1982-05-18 Vicom Systems, Inc. Method and apparatus for improved digital image processing
JPS6037923A (ja) * 1983-08-11 1985-02-27 株式会社オオヤマフ−ズマシナリ− 熱風運行窯
FR2589302B1 (fr) * 1983-10-21 1988-08-12 Trt Telecom Radio Electr Systeme de thermographie infrarouge a sensibilite amelioree par accumulation progressive des lignes de l'image
US4544352A (en) * 1983-12-09 1985-10-01 Lanham Machinery Company, Inc. Baking oven with heated air distribution
JPH0650523B2 (ja) * 1985-01-29 1994-06-29 三菱電機株式会社 画像処理装置
US5144687A (en) * 1985-03-02 1992-09-01 Kabushika Kaisha Toshiba Image processing apparatus including spatial shift variant filter
US4916745A (en) * 1986-02-07 1990-04-10 Hart Hiram E Bayesian image processing method and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428794A (en) * 1964-08-17 1969-02-18 Boeing Co Time correlation computers
US3732410A (en) * 1969-12-22 1973-05-08 Postmaster Department Res Labo Self adaptive filter and control circuit therefor
US3700876A (en) * 1970-12-09 1972-10-24 Us Navy Reduced time delay auto-correlation signal processor
US3736414A (en) * 1971-06-30 1973-05-29 Ibm Transversal filter equalizer for partial response channels
US3792245A (en) * 1972-08-21 1974-02-12 Massachusetts Inst Technology Double-scaled autocorrelator

Also Published As

Publication number Publication date
JPS5165968A (de) 1976-06-08
SE400011B (sv) 1978-03-06
ATA747075A (de) 1978-04-15
US3997774A (en) 1976-12-14
JPS5844991B2 (ja) 1983-10-06
DK480475A (da) 1976-04-26
DE2545169B2 (de) 1976-08-19
NL168949C (nl) 1982-05-17
FR2307415A1 (fr) 1976-11-05
GB1528991A (en) 1978-10-18
SE7511053L (sv) 1976-04-26
NL7511328A (nl) 1976-04-27
CH583910A5 (de) 1977-01-14
JPS5845671B2 (ja) 1983-10-12
NL168949B (nl) 1981-12-16
IE42133B1 (en) 1980-06-04
FR2307415B1 (de) 1980-01-25
CA1065467A (en) 1979-10-30
DE2545169A1 (de) 1976-05-13
IT1045492B (it) 1980-05-10
JPS5892876A (ja) 1983-06-02
BE833878A (fr) 1976-01-16
IE42133L (en) 1976-04-25
LU73449A1 (de) 1976-04-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee