SE388053B - Mottagare med konstant falskt-alarmverde - Google Patents

Mottagare med konstant falskt-alarmverde

Info

Publication number
SE388053B
SE388053B SE7400825A SE7400825A SE388053B SE 388053 B SE388053 B SE 388053B SE 7400825 A SE7400825 A SE 7400825A SE 7400825 A SE7400825 A SE 7400825A SE 388053 B SE388053 B SE 388053B
Authority
SE
Sweden
Prior art keywords
receiver
false alarm
alarm value
constant false
constant
Prior art date
Application number
SE7400825A
Other languages
English (en)
Swedish (sv)
Inventor
S N Radcliffe
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of SE388053B publication Critical patent/SE388053B/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28Systems 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
    • G01S13/282Systems 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 a frequency modulated carrier wave

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)
SE7400825A 1973-01-25 1974-01-22 Mottagare med konstant falskt-alarmverde SE388053B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB374773A GB1379863A (en) 1973-01-25 1973-01-25 Pulse compression radar systems

Publications (1)

Publication Number Publication Date
SE388053B true SE388053B (sv) 1976-09-20

Family

ID=9764216

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7400825A SE388053B (sv) 1973-01-25 1974-01-22 Mottagare med konstant falskt-alarmverde

Country Status (4)

Country Link
FR (1) FR2215627B1 (it)
GB (1) GB1379863A (it)
IT (1) IT1004785B (it)
SE (1) SE388053B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5558612A (en) * 1978-10-26 1980-05-01 Kokusai Denshin Denwa Co Ltd <Kdd> Delay circuit
GB2128835B (en) * 1982-10-16 1986-01-22 Ferranti Plc Gating arrangement
GB2128834B (en) * 1982-10-16 1986-01-22 Ferranti Plc Circuit that produces long fm pulses

Also Published As

Publication number Publication date
FR2215627A1 (it) 1974-08-23
IT1004785B (it) 1976-07-20
GB1379863A (en) 1975-01-08
DE2402903B2 (de) 1976-10-07
FR2215627B1 (it) 1978-09-15
DE2402903A1 (de) 1974-08-15

Similar Documents

Publication Publication Date Title
AT337077B (de) Aufnahmebehalter
GB1446288A (en) Smoke detectors
AT344547B (de) Automatische brandmeldeanlage
IL44507A0 (en) Ionization-type fire sensor
HK57380A (en) Ionization-type fire sensor
AU6938774A (en) Intrusion alarm ststem
DK137099B (da) Brandalarmeringsapparat.
CS186220B2 (en) System of the smoke detector
IT1025843B (it) Avvisatore d incemdio
NL7409225A (nl) Pulsdetectiestelsel.
IT1000678B (it) Ricevitore per segnali luminosi ad impulsi
AT343191B (de) Signaldetektor
IT1017534B (it) Radioricevitore
AT340479B (de) Empfangsumsetzer
NO741189L (no) Brannmeldeanordning.
AU5853073A (en) Smoke detecting system
AU6896974A (en) Alarm systems
SE391092B (sv) Signalbegrensare
ATA43573A (de) Frequenzdetektor
DK143724C (da) Alarmanlaeg
AT331770B (de) Stabilisiertes methylenchlorid
BE817784A (fr) Recepteur de radionavigation
AT332801B (de) Forderbehalter
AT331769B (de) Stabilisiertes methylenchlorid
AU7367274A (en) Detecting the change of the state of an object