SE388053B - Mottagare med konstant falskt-alarmverde - Google Patents
Mottagare med konstant falskt-alarmverdeInfo
- 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
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
- G01S13/282—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 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)
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)
| 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 |
-
1973
- 1973-01-25 GB GB374773A patent/GB1379863A/en not_active Expired
-
1974
- 1974-01-22 SE SE7400825A patent/SE388053B/xx unknown
- 1974-01-24 FR FR7402339A patent/FR2215627B1/fr not_active Expired
- 1974-01-24 IT IT6719774A patent/IT1004785B/it active
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 |