AU515064B2 - Capacitor correlator matrix - Google Patents

Capacitor correlator matrix

Info

Publication number
AU515064B2
AU515064B2 AU50335/79A AU5033579A AU515064B2 AU 515064 B2 AU515064 B2 AU 515064B2 AU 50335/79 A AU50335/79 A AU 50335/79A AU 5033579 A AU5033579 A AU 5033579A AU 515064 B2 AU515064 B2 AU 515064B2
Authority
AU
Australia
Prior art keywords
correlator matrix
capacitor
capacitor correlator
matrix
correlator
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.)
Ceased
Application number
AU50335/79A
Other languages
English (en)
Other versions
AU5033579A (en
Inventor
Robert R. Stevens
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.)
Lockheed Martin Corp
Original Assignee
Sanders Associates 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 to US05/532,344 priority Critical patent/US4028699A/en
Priority to FR7701822A priority patent/FR2378288A1/fr
Priority to NL7700949A priority patent/NL7700949A/xx
Priority to US05/769,994 priority patent/US4112496A/en
Application filed by Sanders Associates Inc filed Critical Sanders Associates Inc
Priority to AU50335/79A priority patent/AU515064B2/en
Publication of AU5033579A publication Critical patent/AU5033579A/en
Application granted granted Critical
Publication of AU515064B2 publication Critical patent/AU515064B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • G01S13/284—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses
    • G01S13/288—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses phase modulated
    • 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
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/62—Sense-of-movement determination
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU50335/79A 1974-12-13 1979-08-27 Capacitor correlator matrix Ceased AU515064B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US05/532,344 US4028699A (en) 1974-12-13 1974-12-13 Search radar
FR7701822A FR2378288A1 (fr) 1974-12-13 1977-01-21 Radar de recherche
NL7700949A NL7700949A (nl) 1974-12-13 1977-01-28 Zoekradarstelsel.
US05/769,994 US4112496A (en) 1974-12-13 1977-02-18 Capacitor matrix correlator for use in the correlation of periodic signals
AU50335/79A AU515064B2 (en) 1974-12-13 1979-08-27 Capacitor correlator matrix

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US05/532,344 US4028699A (en) 1974-12-13 1974-12-13 Search radar
FR7701822A FR2378288A1 (fr) 1974-12-13 1977-01-21 Radar de recherche
NL7700949A NL7700949A (nl) 1974-12-13 1977-01-28 Zoekradarstelsel.
AU505099 1977-02-03
AU50335/79A AU515064B2 (en) 1974-12-13 1979-08-27 Capacitor correlator matrix

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU21922/77A Division AU505099B2 (en) 1977-02-03 1977-02-03 Search radar

Publications (2)

Publication Number Publication Date
AU5033579A AU5033579A (en) 1979-12-20
AU515064B2 true AU515064B2 (en) 1981-03-12

Family

ID=27423371

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50335/79A Ceased AU515064B2 (en) 1974-12-13 1979-08-27 Capacitor correlator matrix

Country Status (4)

Country Link
US (1) US4028699A (enExample)
AU (1) AU515064B2 (enExample)
FR (1) FR2378288A1 (enExample)
NL (1) NL7700949A (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315263A (en) * 1974-06-26 1982-02-09 Neidell Norman S Navigational systems using phase encoded angular coordinates
USRE31509E (en) 1974-06-26 1984-01-24 Echo location systems
US4114153A (en) * 1974-06-26 1978-09-12 Neidell Norman S Echo location systems
US4161785A (en) * 1977-11-17 1979-07-17 General Electric Company Matrix multiplier
FR2418917B1 (fr) * 1978-03-03 1986-06-06 Emi Ltd Dispositif de fusee a radar a auto-correlation pour projectile explosif
US6225943B1 (en) * 1978-05-01 2001-05-01 Raytheon Company Method of operating pulse radar
DE2823850A1 (de) * 1978-05-31 1979-12-13 Norman S Neidell Echolotung und echomessung
US4285048A (en) * 1979-06-27 1981-08-18 The United States Of America As Represented By The Secretary Of The Army Space variant signal processor
US4353067A (en) * 1980-08-29 1982-10-05 Westinghouse Electric Corp. Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system
US4564841A (en) * 1981-01-15 1986-01-14 Neidell Norman S Navigational systems using phase encoded angular coordinates
DE3176961D1 (en) * 1981-09-29 1989-02-02 Norman S Neidell Navigational systems using phase encoded angular coordinates
DE3811283A1 (de) * 1988-04-02 1989-10-12 Licentia Gmbh Pulsdopplerradar
SE514830C2 (sv) * 1993-11-17 2001-04-30 Ericsson Telefon Ab L M Förfarande och anordning för riktningsbestämning
US6091355A (en) * 1998-07-21 2000-07-18 Speed Products, Inc. Doppler radar speed measuring unit
US7965794B2 (en) * 2000-05-05 2011-06-21 Greenwich Technologies Associates Method and apparatus for broadcasting with spatially diverse signals
WO2001086320A2 (en) * 2000-05-05 2001-11-15 Greenwich Technologies Associates Remote sensing using rayleigh signaling
US6823021B1 (en) * 2000-10-27 2004-11-23 Greenwich Technologies Associates Method and apparatus for space division multiple access receiver
JP4457525B2 (ja) * 2001-06-11 2010-04-28 株式会社デンソー 距離測定装置
US6473029B1 (en) * 2001-08-08 2002-10-29 Trw Inc. System for recognizing signal of interest within noise
EP1314997B1 (en) * 2001-11-24 2005-01-12 EADS Deutschland Gmbh Method for HPRF-radar measurement
KR100806860B1 (ko) * 2005-05-13 2008-02-22 삼성전자주식회사 Ｒａｎｇｉｎｇ 시스템 및 그 방법
IL175465A (en) * 2005-10-19 2013-02-28 Elta Systems Ltd Pulse doppler coherent method and system for snr enhancement
US7425916B2 (en) * 2006-11-14 2008-09-16 Stevens Jr Robert R Airborne distributed pulse doppler radar missile warning system
US7876865B2 (en) * 2007-06-08 2011-01-25 COM DEV International Ltd System and method for decoding automatic identification system signals
US20090161797A1 (en) * 2007-06-08 2009-06-25 Cowles Philip R Satellite detection of automatic identification system signals
US8780788B2 (en) 2009-09-25 2014-07-15 Com Dev International Ltd. Systems and methods for decoding automatic identification system signals
US9331774B2 (en) 2010-06-09 2016-05-03 Exactearth Ltd. Systems and methods for segmenting a satellite field of view for detecting radio frequency signals
US9015567B2 (en) 2012-04-12 2015-04-21 Com Dev International Ltd. Methods and systems for consistency checking and anomaly detection in automatic identification system signal data

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388398A (en) * 1966-10-24 1968-06-11 Rca Corp Doppler type correlation system
US3801982A (en) * 1968-04-22 1974-04-02 Sanders Associates Inc Post storage range and doppler correlation method and apparatus
US3525993A (en) * 1968-05-03 1970-08-25 Chain Lakes Research Asociates Direction responsive vehicle speed measuring police radar apparatus
US3599209A (en) * 1969-10-08 1971-08-10 Us Navy Photosensitive array correlator
US3611375A (en) * 1969-12-30 1971-10-05 Torrence H Chambers Radar using matrix storage and filters
US3887918A (en) * 1973-05-09 1975-06-03 Itt Multi-level digital coincidence detection

Also Published As

Publication number Publication date
US4028699A (en) 1977-06-07
FR2378288A1 (fr) 1978-08-18
AU5033579A (en) 1979-12-20
NL7700949A (nl) 1978-08-01
FR2378288B1 (enExample) 1983-04-29

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