BE472065A - - Google Patents

Info

Publication number
BE472065A
BE472065A BE472065DA BE472065A BE 472065 A BE472065 A BE 472065A BE 472065D A BE472065D A BE 472065DA BE 472065 A BE472065 A BE 472065A
Authority
BE
Belgium
Application number
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.)
Publication of BE472065A publication Critical patent/BE472065A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
    • 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
    • G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • G01S7/2926—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by integration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
    • H03D1/10—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements of diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BE472065D 1941-01-17 BE472065A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB286896X 1941-01-17

Publications (1)

Publication Number Publication Date
BE472065A true BE472065A (fr)

Family

ID=10279547

Family Applications (1)

Application Number Title Priority Date Filing Date
BE472065D BE472065A (fr) 1941-01-17

Country Status (5)

Country Link
US (2) US2471418A (fr)
BE (1) BE472065A (fr)
CH (1) CH286896A (fr)
FR (2) FR939300A (fr)
GB (1) GB586115A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624652A (en) * 1946-01-16 1971-11-30 Us Navy Pulse generation system
US2786132A (en) * 1946-11-21 1957-03-19 Rines Robert Harvey Power transmission
US2718638A (en) * 1950-01-20 1955-09-20 Itt Signal correlation radio receiver
US2941202A (en) * 1951-08-04 1960-06-14 Sylvania Electric Prod Modified cross-correlation radio system and method
US2802167A (en) * 1952-04-15 1957-08-06 Gen Electric Signal voltage amplitude limiter
US2718546A (en) * 1952-11-26 1955-09-20 Motorola Inc Phase detector
US4176316A (en) 1953-03-30 1979-11-27 International Telephone & Telegraph Corp. Secure single sideband communication system using modulated noise subcarrier
USRE34004E (en) * 1953-03-30 1992-07-21 Itt Corporation Secure single sideband communication system using modulated noise subcarrier
US2790898A (en) * 1953-05-04 1957-04-30 Bady Isidore Weak signal detector using synchronously switched rectifier bridge
US2914762A (en) * 1954-02-24 1959-11-24 Raytheon Co Dual channel noise coherence reducers
US2937273A (en) * 1957-10-31 1960-05-17 Gen Dynamics Corp Detectors
US3112452A (en) * 1959-12-28 1963-11-26 Gen Electric Signal processing arrangement with filters in plural channels minimizing undesirableinterference to narrow and wide pass bands
NL270086A (fr) * 1960-10-10

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1343308A (en) * 1916-09-05 1920-06-15 American Telephone & Telegraph Duplex translating-circuits
US2067021A (en) * 1929-12-12 1937-01-05 Rca Corp Means for converting electrical energy into acoustical energy
US2040221A (en) * 1933-01-04 1936-05-12 Frank C Talmadge Electrical signaling system
US2036022A (en) * 1934-01-26 1936-03-31 Rca Corp Method of and means for receiving signals
BE409533A (fr) * 1934-06-02
GB454257A (en) * 1935-03-27 1936-09-28 Marconi Wireless Telegraph Co Improvements in or relating to modulated carrier wave receivers
FR803109A (fr) * 1935-06-06 1936-09-23 Soc Et Liaisons Telephoniques Perfectionnement aux procédés de transmission par courants alternatifs et dispositif d'application
US2183714A (en) * 1937-05-13 1939-12-19 Telefunken Gmbh Interference eliminator
NL88393C (fr) * 1937-06-18
US2227598A (en) * 1937-07-03 1941-01-07 Sperry Gyroscope Co Inc Radio absolute altimeter
GB507754A (en) * 1937-11-16 1939-06-16 William Spencer Percival Improvements in or relating to wireless systems employing pulses
US2231704A (en) * 1939-03-04 1941-02-11 Hazeltine Corp Homodyne receiver
NL70112C (fr) * 1939-10-25
US2233384A (en) * 1939-12-28 1941-02-25 Bell Telephone Labor Inc Radio receiver
US2350702A (en) * 1940-05-21 1944-06-06 Int Standard Electric Corp System of radio communication
US2410223A (en) * 1942-03-02 1946-10-29 Phillips Petroleum Co Treatment of hydrocarbons
US2401416A (en) * 1942-09-11 1946-06-04 Rca Corp Amplifier for pulses
US2398490A (en) * 1944-03-01 1946-04-16 Rca Corp Circuit for removing noise
US2408079A (en) * 1944-06-19 1946-09-24 Standard Telephones Cables Ltd Pulse discriminator

Also Published As

Publication number Publication date
US2471418A (en) 1949-05-31
USRE23440E (en) 1951-12-18
GB586115A (en) 1947-03-07
FR69134E (fr) 1958-10-01
FR939300A (fr) 1948-11-09
CH286896A (fr) 1952-11-15

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