BE476621A - - Google Patents

Info

Publication number
BE476621A
BE476621A BE476621DA BE476621A BE 476621 A BE476621 A BE 476621A BE 476621D A BE476621D A BE 476621DA BE 476621 A BE476621 A BE 476621A
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 BE476621A publication Critical patent/BE476621A/xx

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
    • G01S7/28—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
    • G01S7/2922—Extracting wanted echo-signals based on data belonging to one radar period by using a controlled threshold
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H03K5/06—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements
    • H03K5/065—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements using dispersive delay lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/10—Feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
BE476621D 1941-06-06 BE476621A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB272951X 1941-06-06

Publications (1)

Publication Number Publication Date
BE476621A true BE476621A (ja)

Family

ID=10257249

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476621D BE476621A (ja) 1941-06-06

Country Status (5)

Country Link
US (1) US2412995A (ja)
BE (1) BE476621A (ja)
CH (1) CH272951A (ja)
FR (1) FR939357A (ja)
GB (1) GB581683A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502454A (en) * 1944-12-27 1950-04-04 Standard Telephones Cables Ltd Method and means for improving signal to noise ratio of selected pulse signals
CH258962A (fr) * 1945-04-30 1948-12-31 Standard Telephone & Radio Sa Dispositif de transmission d'ondes électriques.
BE479415A (ja) * 1945-06-02
US2590405A (en) * 1946-08-13 1952-03-25 Rca Corp Signal to noise ratio of radar systems
US2668238A (en) * 1946-08-20 1954-02-02 Frederick W Frink Wide-band phase shifting means
NL80449C (ja) * 1948-01-17
US2752433A (en) * 1948-06-30 1956-06-26 Emi Ltd Negative feedback amplifiers
US2629818A (en) * 1949-03-17 1953-02-24 Int Standard Electric Corp High selectivity receiver
US2627574A (en) * 1950-07-11 1953-02-03 Bell Telephone Labor Inc Radio repeater having a pulse regenerator
US2617885A (en) * 1950-07-11 1952-11-11 Bell Telephone Labor Inc Frequency changing regenerative pulse repeater
US2619543A (en) * 1950-07-11 1952-11-25 Bell Telephone Labor Inc Frequency changing pulse repeater employing phase modulation
US2632064A (en) * 1950-09-20 1953-03-17 Bendix Aviat Corp Pulse amplifier
FR1108134A (fr) * 1954-05-28 1956-01-09 Csf Procédé et dispositif destinés à améliorer la transmission de signaux radioélectriques en présence de bruit
US3031909A (en) * 1955-09-28 1962-05-01 White James Paul Apparatus for tone quality control

Also Published As

Publication number Publication date
CH272951A (fr) 1951-01-15
US2412995A (en) 1946-12-24
FR939357A (fr) 1948-11-12
GB581683A (en) 1946-10-22

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