NL9301324A - Demodulatie van digitale frequentie-gemoduleerde signalen. - Google Patents
Demodulatie van digitale frequentie-gemoduleerde signalen. Download PDFInfo
- Publication number
- NL9301324A NL9301324A NL9301324A NL9301324A NL9301324A NL 9301324 A NL9301324 A NL 9301324A NL 9301324 A NL9301324 A NL 9301324A NL 9301324 A NL9301324 A NL 9301324A NL 9301324 A NL9301324 A NL 9301324A
- Authority
- NL
- Netherlands
- Prior art keywords
- signals
- phase
- circuit
- frequency
- continuous wave
- Prior art date
Links
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
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
- H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
- H04L27/066—Carrier recovery circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL10273792 | 1992-08-05 | ||
IL10273792A IL102737A (en) | 1992-08-05 | 1992-08-05 | Return of modulated digital frequency signals to their original state |
Publications (1)
Publication Number | Publication Date |
---|---|
NL9301324A true NL9301324A (nl) | 1994-03-01 |
Family
ID=11063896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9301324A NL9301324A (nl) | 1992-08-05 | 1993-07-29 | Demodulatie van digitale frequentie-gemoduleerde signalen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5365185A (ja) |
JP (1) | JPH08116342A (ja) |
IL (1) | IL102737A (ja) |
NL (1) | NL9301324A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100355684B1 (ko) * | 1992-11-26 | 2002-12-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 직접변환수신기 |
DE69624020T2 (de) * | 1995-02-21 | 2003-07-17 | Tait Electronics Ltd., Christchurch | Nullzwischenfrequenz-Empfänger |
US6058374A (en) * | 1996-06-20 | 2000-05-02 | Northrop Grumman Corporation | Inventorying method and system for monitoring items using tags |
US7068374B2 (en) * | 2003-06-09 | 2006-06-27 | Agilent Technologies, Inc. | Phase-diverse coherent optical spectrum analyzer |
US7054012B2 (en) * | 2003-06-09 | 2006-05-30 | Agilent Technologies, Inc | Spectral phase measurement using phase-diverse coherent optical spectrum analyzer |
EP1669729A1 (en) * | 2004-12-09 | 2006-06-14 | Agilent Technologies, Inc. (a Delaware Corporation) | A phase-diverse coherent optical spectrum analyzer |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3768030A (en) * | 1972-05-08 | 1973-10-23 | Motorola Inc | Automatic signal acquisition means for phase-lock loop with anti- sideband lock protection |
US5062123A (en) * | 1989-08-16 | 1991-10-29 | Cincinnati Electronics Corporation | Kalman predictor for providing a relatively noise free indication of the phase of a carrier laden with noise |
-
1992
- 1992-08-05 IL IL10273792A patent/IL102737A/en not_active IP Right Cessation
-
1993
- 1993-07-29 JP JP5205577A patent/JPH08116342A/ja active Pending
- 1993-07-29 NL NL9301324A patent/NL9301324A/nl not_active Application Discontinuation
- 1993-07-30 US US08/100,602 patent/US5365185A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5365185A (en) | 1994-11-15 |
JPH08116342A (ja) | 1996-05-07 |
IL102737A (en) | 1995-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |