NO772272L - System til } motta frekvensmodulerte digitale informasjonssignaler - Google Patents
System til } motta frekvensmodulerte digitale informasjonssignalerInfo
- Publication number
- NO772272L NO772272L NO772272A NO772272A NO772272L NO 772272 L NO772272 L NO 772272L NO 772272 A NO772272 A NO 772272A NO 772272 A NO772272 A NO 772272A NO 772272 L NO772272 L NO 772272L
- Authority
- NO
- Norway
- Prior art keywords
- signal
- switch
- output
- demodulator
- frequency
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000010287 polarization Effects 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 238000012937 correction Methods 0.000 description 26
- 230000003068 static effect Effects 0.000 description 26
- 238000012217 deletion Methods 0.000 description 23
- 230000037430 deletion Effects 0.000 description 23
- 230000008859 change Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 10
- 230000001419 dependent effect Effects 0.000 description 8
- 238000006467 substitution reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 206010034719 Personality change Diseases 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000005433 ionosphere Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012035 limiting reagent Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2628997A DE2628997C3 (de) | 1976-06-28 | 1976-06-28 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE2714439A DE2714439C3 (de) | 1977-03-31 | 1977-03-31 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE19772721526 DE2721526C3 (de) | 1977-05-12 | 1977-05-12 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO772272L true NO772272L (no) | 1977-12-29 |
Family
ID=27186896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO772272A NO772272L (no) | 1976-06-28 | 1977-06-27 | System til } motta frekvensmodulerte digitale informasjonssignaler |
Country Status (13)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2905471B1 (de) * | 1979-02-13 | 1980-02-21 | Siemens Ag | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778727A (en) * | 1972-05-11 | 1973-12-11 | Singer Co | Crystal controlled frequency discriminator |
-
1977
- 1977-06-24 CH CH774377A patent/CH619087A5/de not_active IP Right Cessation
- 1977-06-24 DK DK281077A patent/DK281077A/da unknown
- 1977-06-27 NL NLAANVRAGE7707119,A patent/NL178115C/xx not_active IP Right Cessation
- 1977-06-27 FR FR7719609A patent/FR2357115A1/fr active Granted
- 1977-06-27 NO NO772272A patent/NO772272L/no unknown
- 1977-06-27 FI FI771996A patent/FI771996A7/fi not_active Application Discontinuation
- 1977-06-27 AT AT452177A patent/AT358631B/de not_active IP Right Cessation
- 1977-06-27 SE SE7707400A patent/SE417047B/xx unknown
- 1977-06-27 LU LU77628A patent/LU77628A1/de unknown
- 1977-06-28 GB GB20851/77A patent/GB1584641A/en not_active Expired
- 1977-06-28 IE IE1324/77A patent/IE45444B1/en unknown
- 1977-06-28 ES ES460184A patent/ES460184A1/es not_active Expired
- 1977-06-28 IT IT25123/77A patent/IT1086275B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2357115B1 (enrdf_load_stackoverflow) | 1982-01-08 |
| IE45444L (en) | 1977-12-28 |
| FI771996A7 (enrdf_load_stackoverflow) | 1977-12-29 |
| NL178115C (nl) | 1986-01-16 |
| NL7707119A (nl) | 1977-12-30 |
| CH619087A5 (en) | 1980-08-29 |
| AT358631B (de) | 1980-09-25 |
| SE417047B (sv) | 1981-02-16 |
| FR2357115A1 (fr) | 1978-01-27 |
| DK281077A (da) | 1977-12-29 |
| IT1086275B (it) | 1985-05-28 |
| GB1584641A (en) | 1981-02-18 |
| LU77628A1 (de) | 1979-03-26 |
| ES460184A1 (es) | 1978-12-01 |
| NL178115B (nl) | 1985-08-16 |
| IE45444B1 (en) | 1982-08-25 |
| ATA452177A (de) | 1980-02-15 |
| SE7707400L (sv) | 1977-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3947769A (en) | Threshold correction system in FSK transmissions | |
| CA1157120A (en) | Phase-encoded data signal demodulator | |
| US4218771A (en) | Automatic clock positioning circuit for a digital data transmission system | |
| US4625320A (en) | Automatic bias circuit | |
| US3585298A (en) | Timing recovery circuit with two speed phase correction | |
| EP0125805A2 (en) | Bit error detection circuit for PSK-modulated carrier wave | |
| US4606045A (en) | Method and apparatus for detecting an equalizer training period in a receiving-end modem | |
| IE900181L (en) | A method of controlling the frequency of a coherent radio¹receiver and apparatus for carrying out the method | |
| US4375099A (en) | Link performance indicator with alternate data sampling and error indication generation | |
| US3983488A (en) | Frequency-modulation demodulator threshold extension device | |
| US4304004A (en) | Apparatus for transmission and reception of frequency modulated digital communication signals | |
| US4072946A (en) | Method and apparatus for measuring the distance between two stations | |
| US4932036A (en) | Spread spectrum squaring loop with invalid phase measurement rejection | |
| US9923749B2 (en) | Adaptive frequency tracking mechanism for burst transmission reception | |
| NO772272L (no) | System til } motta frekvensmodulerte digitale informasjonssignaler | |
| US4462108A (en) | Modem signal acquisition technique | |
| US5949829A (en) | Central error detecting circuit for FSK receiver | |
| AU631077B2 (en) | Method and apparatus for adaptively retiming and regenerating digital pulse signals | |
| US4197501A (en) | System for reception of frequency modulated digital communication signals | |
| US5206887A (en) | Unique word detection apparatus | |
| US4229823A (en) | Digital clock phase recovery circuits for data receiver | |
| US4099124A (en) | Combined keyed AGC and pulse amplitude comparator circuit | |
| US4165488A (en) | Derangement detector in a receiver of a system for data transmission by means of phase modulation of a carrier | |
| US5446921A (en) | Circuit for detecting noise and producing a squelch signal | |
| CN108429711B (zh) | 一种靶场安控方法 |