BE87T1 - Methode et dispositif pour l'appreciation de la qualite de reception d'un signal en ondes ultra-courtes module en frequence. - Google Patents
Methode et dispositif pour l'appreciation de la qualite de reception d'un signal en ondes ultra-courtes module en frequence.Info
- Publication number
- BE87T1 BE87T1 BEBTR87A BE78101221A BE87T1 BE 87 T1 BE87 T1 BE 87T1 BE BTR87 A BEBTR87 A BE BTR87A BE 78101221 A BE78101221 A BE 78101221A BE 87 T1 BE87 T1 BE 87T1
- Authority
- BE
- Belgium
- Prior art keywords
- assessing
- ultra
- frequency signal
- reception quality
- short wave
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/125—Small buildings, arranged in other buildings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/06—Measuring depth of modulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0892—Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Quality & Reliability (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2724375A DE2724375C3 (de) | 1977-05-28 | 1977-05-28 | Verfahren und Einrichtung zum Messen der Empfangsqualität eines frequenzmodulierten UKW-Signals |
Publications (1)
Publication Number | Publication Date |
---|---|
BE87T1 true BE87T1 (fr) | 1980-11-07 |
Family
ID=6010227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BEBTR87A BE87T1 (fr) | 1977-05-28 | 1978-10-25 | Methode et dispositif pour l'appreciation de la qualite de reception d'un signal en ondes ultra-courtes module en frequence. |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT361581B (fr) |
BE (1) | BE87T1 (fr) |
DE (1) | DE2724375C3 (fr) |
GB (1) | GB2056096A (fr) |
NL (1) | NL7815070A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2929647C2 (de) * | 1979-07-21 | 1990-09-13 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | UKW-Stereo-Autoempfänger |
JPH04291524A (ja) * | 1991-03-20 | 1992-10-15 | Matsushita Electric Ind Co Ltd | 受信装置 |
-
1977
- 1977-05-28 DE DE2724375A patent/DE2724375C3/de not_active Expired
-
1978
- 1978-09-14 AT AT663778A patent/AT361581B/de not_active IP Right Cessation
- 1978-10-25 GB GB8033789A patent/GB2056096A/en not_active Withdrawn
- 1978-10-25 BE BEBTR87A patent/BE87T1/fr active
- 1978-10-25 NL NL7815070A patent/NL7815070A/nl unknown
Also Published As
Publication number | Publication date |
---|---|
DE2724375B2 (de) | 1979-03-29 |
NL7815070A (nl) | 1980-12-31 |
GB2056096A (en) | 1981-03-11 |
DE2724375A1 (de) | 1978-11-30 |
ATA663778A (de) | 1980-08-15 |
DE2724375C3 (de) | 1979-11-22 |
AT361581B (de) | 1981-03-25 |
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