IT1200902B - Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo - Google Patents

Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo

Info

Publication number
IT1200902B
IT1200902B IT23262/85A IT2326285A IT1200902B IT 1200902 B IT1200902 B IT 1200902B IT 23262/85 A IT23262/85 A IT 23262/85A IT 2326285 A IT2326285 A IT 2326285A IT 1200902 B IT1200902 B IT 1200902B
Authority
IT
Italy
Prior art keywords
noise
suppression
coming
samples
implementation
Prior art date
Application number
IT23262/85A
Other languages
English (en)
Other versions
IT8523262A0 (it
Inventor
Umberto Fazio
Berardino Alessandro Di
Mauro Mecucci
Original Assignee
Contraves Italiana Spa
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 Italiana Spa filed Critical Contraves Italiana Spa
Priority to IT23262/85A priority Critical patent/IT1200902B/it
Publication of IT8523262A0 publication Critical patent/IT8523262A0/it
Priority to EP86830112A priority patent/EP0226548A3/en
Priority to US06/862,314 priority patent/US4754278A/en
Priority to CA000511240A priority patent/CA1264841A/en
Application granted granted Critical
Publication of IT1200902B publication Critical patent/IT1200902B/it

Links

Classifications

    • 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
    • G01S7/40—Means for monitoring or calibrating
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/5246—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
IT23262/85A 1985-12-18 1985-12-18 Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo IT1200902B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT23262/85A IT1200902B (it) 1985-12-18 1985-12-18 Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo
EP86830112A EP0226548A3 (en) 1985-12-18 1986-05-07 Method for the in-line measurement of background noise for mti radar with suppression of samples not originating from noise, and digital device embodying said method
US06/862,314 US4754278A (en) 1985-12-18 1986-05-12 Method for the in-line measurement of background noise for MTI radar with suppression of samples not originating from noise, and digital device embodying said method
CA000511240A CA1264841A (en) 1985-12-18 1986-06-10 Digital device for the in-line measurement of background noise for mti radar with suppression of samples not originating from noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23262/85A IT1200902B (it) 1985-12-18 1985-12-18 Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo

Publications (2)

Publication Number Publication Date
IT8523262A0 IT8523262A0 (it) 1985-12-18
IT1200902B true IT1200902B (it) 1989-01-27

Family

ID=11205410

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23262/85A IT1200902B (it) 1985-12-18 1985-12-18 Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo

Country Status (4)

Country Link
US (1) US4754278A (it)
EP (1) EP0226548A3 (it)
CA (1) CA1264841A (it)
IT (1) IT1200902B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU651663B2 (en) * 1991-03-11 1994-07-28 Commonwealth Of Australia, The Back-scatter sounding
US5469171A (en) * 1991-05-02 1995-11-21 The Commonwealth Of Australia, C/O The Secretary, Department Of Defence HF background noise measurement in HF environments
JPH09145829A (ja) * 1995-11-28 1997-06-06 Mitsubishi Electric Corp レーダ信号処理装置
US7483501B1 (en) 2004-02-13 2009-01-27 The United States Of America As Represented By The Secretary Of The Army System and method for radio receiver RF background noise estimation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761922A (en) * 1971-10-12 1973-09-25 Hughes Aircraft Co Digital mean level detector
US3778822A (en) * 1972-04-27 1973-12-11 Gen Electric Sum-rank normalized detection apparatus
US3995270A (en) * 1975-06-16 1976-11-30 The United States Of America As Represented By The Secretary Of The Navy Constant false alarm rate (CFAR) circuitry for minimizing extraneous target sensitivity
US4031364A (en) * 1975-11-10 1977-06-21 Hughes Aircraft Company Multiple moment video detector
DE2840938A1 (de) * 1978-09-20 1980-03-27 Siemens Ag Puls-doppler-radarempfaenger mit mti- filter und stoerungsunterdrueckungsschaltungen
US4213127A (en) * 1979-01-31 1980-07-15 The United States Of America As Represented By The Secretary Of The Air Force Doubly adaptive CFAR apparatus
US4249177A (en) * 1979-05-03 1981-02-03 The United States Of America As Represented By The Secretary Of The Air Force Target discrimination apparatus
DE3012036C2 (de) * 1980-03-28 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Puls-Doppler-Radar mit einer CFAR-Schwelle
US4360811A (en) * 1980-10-20 1982-11-23 Hughes Aircraft Company Adaptive zero mean system for controlling noise false alarm rate
DE3222489A1 (de) * 1982-06-15 1983-12-15 Siemens AG, 1000 Berlin und 8000 München Puls-doppler-radargeraet mit einem pulslaengen-diskriminator
FR2589586B1 (fr) * 1984-01-27 1988-04-08 Thomson Csf Procede et dispositif de mesure des signaux de bruit d'un recepteur radar

Also Published As

Publication number Publication date
EP0226548A2 (en) 1987-06-24
CA1264841A (en) 1990-01-23
US4754278A (en) 1988-06-28
IT8523262A0 (it) 1985-12-18
EP0226548A3 (en) 1989-01-18

Similar Documents

Publication Publication Date Title
DE3751020D1 (de) Einrichtung für die Unterdrückung von Oberwellen.
IT1199170B (it) Elaboratore digitale di segnali radar in grado di effettuare la cancellazione adattiva del clutter mediante stimatore parametrico
IT8221645A0 (it) Apparecchiatura diagnostica per la determinazione della struttura e qualita' dei tessuti.
JPS53146795A (en) Copolyester compound and separation of blood sample therewith
AU561776B2 (en) Echo cancellation delay measurement
EG16599A (en) Method to test the function of an adaptive echo canaceller
DE3787015T2 (de) Im frequenzbereich wirkendes impulsraffungsradargerät zur störechobeseitigung.
EP0149981A3 (en) Adaptive radar signal processor for the detection of the useful echo and the cancellation of clutter
AT377366B (de) Analysengeraet, insbesondere zur untersuchung von fluessigkeitsproben
ES547465A0 (es) Procedimiento de preparacion de sulfonimidas con grupo ami- nometilfosfonico
GB2145519B (en) Analysis of laser-produced samples
AU556285B2 (en) Pulse echo testing of cables
IT1200902B (it) Metodo per la misurazione in-linea de rumore di fondo per radar mti con soppressione dei campioni non provenienti dal rumore,e dispositi vo digitale per l'attuazione del metodo
IL82840A0 (en) Method and compositions for the determination of occult blood
AU544472B2 (en) Radar echo analysis
DE3789984T2 (de) Rauschsignaldetektion durch Abtastung des digitalen Grundfrequenzsignals an einer Augenöffnung.
EP0217953A4 (en) DOPPLER SIGNAL ANALYZER.
FR2585203B1 (fr) Systeme de reduction de la frequence d'echantillons numeriques
GB2153072B (en) Test method for determining the sedimentation of venous blood
NO831944L (no) Fremgangsmaate for aa analysere komplekse signaler
BR8706857A (pt) Processos de preparacao de compostos maleimidas,de composicoes termoendureciveis e sem o emprego de um composto organossilicico
FI833321A0 (fi) Anordning foer styrning av provfloedet i en analysator
IT1181659B (it) Procedimento per l'elaborazione di segnali modem
DE3784830T2 (de) Gerät zur Bestimmung der Tonhöhe eines im wesentlichen periodischen Eingangssignales.
IT8220581A1 (it) Analizzatore di segnali video

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961230