NO800322L - System til aa motta frekvensmodulerte digitale informasjonssignaler - Google Patents
System til aa motta frekvensmodulerte digitale informasjonssignaler Download PDFInfo
- Publication number
- NO800322L NO800322L NO800322A NO800322A NO800322L NO 800322 L NO800322 L NO 800322L NO 800322 A NO800322 A NO 800322A NO 800322 A NO800322 A NO 800322A NO 800322 L NO800322 L NO 800322L
- Authority
- NO
- Norway
- Prior art keywords
- demodulation
- phase
- clock
- product
- output
- Prior art date
Links
- 239000000047 product Substances 0.000 claims description 48
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims description 2
- 238000009795 derivation Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 25
- 238000012937 correction Methods 0.000 description 13
- 230000000903 blocking effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
- Radio Transmission System (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2905471A DE2905471B1 (de) | 1979-02-13 | 1979-02-13 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO800322L true NO800322L (no) | 1980-08-14 |
Family
ID=6062822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO800322A NO800322L (no) | 1979-02-13 | 1980-02-07 | System til aa motta frekvensmodulerte digitale informasjonssignaler |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4304004A (zh) |
| JP (1) | JPS5639663A (zh) |
| BE (1) | BE881706R (zh) |
| DE (1) | DE2905471B1 (zh) |
| DK (1) | DK60180A (zh) |
| ES (1) | ES488489A0 (zh) |
| FI (1) | FI800424A (zh) |
| FR (1) | FR2449374A2 (zh) |
| GB (1) | GB2043401B (zh) |
| IE (1) | IE800265L (zh) |
| IT (1) | IT1141204B (zh) |
| LU (1) | LU82155A1 (zh) |
| NL (1) | NL8000911A (zh) |
| NO (1) | NO800322L (zh) |
| SE (1) | SE8001096L (zh) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146077C2 (de) * | 1981-11-20 | 1985-04-04 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung für Funkempfänger zur Unterdrückung von durch Mehrwegeausbreitung bedingten Empfangsstörungen |
| FR2538645B1 (fr) * | 1982-12-28 | 1986-04-11 | Thomson Csf | Procede et dispositif d'interpolation de la parole dans un systeme de transmission de parole numerisee |
| JPS59140298A (ja) * | 1983-01-31 | 1984-08-11 | N D C Kk | 複層軸受 |
| FR2547138B1 (fr) * | 1983-06-01 | 1985-07-12 | Trt Telecom Radio Electr | Dispositif de silencieux pour recepteur radio am/fm |
| DE3446529A1 (de) * | 1984-12-20 | 1986-07-03 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Verfahren zur stoerverminderung in einer rundfunk-empfangsanlage |
| JPS61184933A (ja) * | 1985-02-12 | 1986-08-18 | Clarion Co Ltd | パルス性雑音除去用信号補償ゲ−ト回路 |
| US4660192A (en) * | 1985-04-11 | 1987-04-21 | Pomatto Sr Robert P | Simultaneous AM and FM transmitter and receiver |
| JPS62175025A (ja) * | 1986-01-25 | 1987-07-31 | Fujitsu Ten Ltd | 雑音除去装置 |
| US5491716A (en) * | 1990-06-18 | 1996-02-13 | The United States Of America As Represented By The Secretary Of The Navy | Weight-value controlled adaptive processor for spread spectrum receiver |
| US7400904B2 (en) * | 2004-12-03 | 2008-07-15 | Itron, Inc. | Dual mode AM-FM receiver with I-Q decoding, such as for utility data collection |
| JP5355936B2 (ja) * | 2007-06-28 | 2013-11-27 | 日本信号株式会社 | リーダライタ、及び物品仕分システム |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL276220A (zh) * | 1961-03-21 | |||
| GB1237517A (en) * | 1970-02-05 | 1971-06-30 | Pye Ltd | Muting arrangement for a communication system |
| US3711777A (en) * | 1971-09-16 | 1973-01-16 | Ncr | Latching and control circuit for carrier detection |
| US3895187A (en) * | 1972-01-06 | 1975-07-15 | Gen Electric Co Ltd | Receivers for plural frequency signalling systems |
| US3778727A (en) * | 1972-05-11 | 1973-12-11 | Singer Co | Crystal controlled frequency discriminator |
| DE2628997C3 (de) * | 1976-06-28 | 1978-11-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DE2714439C3 (de) * | 1977-03-31 | 1980-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| DK281077A (da) * | 1976-06-28 | 1977-12-29 | Siemens Ag | Anleg til modtagelse af frekvensmodulerede digitale informationssignaler |
-
1979
- 1979-02-13 DE DE2905471A patent/DE2905471B1/de active Granted
-
1980
- 1980-01-30 US US06/116,961 patent/US4304004A/en not_active Expired - Lifetime
- 1980-02-04 FR FR8002361A patent/FR2449374A2/fr active Granted
- 1980-02-07 NO NO800322A patent/NO800322L/no unknown
- 1980-02-08 IT IT19791/80A patent/IT1141204B/it active
- 1980-02-12 GB GB8004640A patent/GB2043401B/en not_active Expired
- 1980-02-12 LU LU82155A patent/LU82155A1/de unknown
- 1980-02-12 ES ES488489A patent/ES488489A0/es active Granted
- 1980-02-12 DK DK60180A patent/DK60180A/da unknown
- 1980-02-12 SE SE8001096A patent/SE8001096L/xx unknown
- 1980-02-12 FI FI800424A patent/FI800424A/fi not_active Application Discontinuation
- 1980-02-12 IE IE800265A patent/IE800265L/xx unknown
- 1980-02-13 NL NL8000911A patent/NL8000911A/nl not_active Application Discontinuation
- 1980-02-13 BE BE0/199388A patent/BE881706R/fr active
- 1980-02-13 JP JP1557680A patent/JPS5639663A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5639663A (en) | 1981-04-15 |
| DE2905471C2 (zh) | 1980-10-16 |
| DE2905471B1 (de) | 1980-02-21 |
| ES8100581A2 (es) | 1980-11-01 |
| FR2449374B2 (zh) | 1984-02-24 |
| IE800265L (en) | 1980-08-13 |
| US4304004A (en) | 1981-12-01 |
| IT1141204B (it) | 1986-10-01 |
| NL8000911A (nl) | 1980-08-15 |
| LU82155A1 (de) | 1980-09-24 |
| ES488489A0 (es) | 1980-11-01 |
| BE881706R (fr) | 1980-08-13 |
| GB2043401A (en) | 1980-10-01 |
| GB2043401B (en) | 1983-03-23 |
| FR2449374A2 (fr) | 1980-09-12 |
| DK60180A (da) | 1980-08-14 |
| IT8019791A0 (it) | 1980-02-08 |
| SE8001096L (sv) | 1980-08-14 |
| FI800424A (fi) | 1980-08-14 |
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