BE87T1 - METHOD AND DEVICE FOR ASSESSING THE RECEPTION QUALITY OF AN ULTRA-SHORT WAVE MODULATED FREQUENCY SIGNAL. - Google Patents

METHOD AND DEVICE FOR ASSESSING THE RECEPTION QUALITY OF AN ULTRA-SHORT WAVE MODULATED FREQUENCY SIGNAL.

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
Application number
BEBTR87A
Other languages
French (fr)
Inventor
T Bossert
Original Assignee
T Bossert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by T Bossert filed Critical T Bossert
Application granted granted Critical
Publication of BE87T1 publication Critical patent/BE87T1/en

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)
BEBTR87A 1977-05-28 1978-10-25 METHOD AND DEVICE FOR ASSESSING THE RECEPTION QUALITY OF AN ULTRA-SHORT WAVE MODULATED FREQUENCY SIGNAL. BE87T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2724375A DE2724375C3 (en) 1977-05-28 1977-05-28 Method and device for measuring the reception quality of a frequency-modulated VHF signal

Publications (1)

Publication Number Publication Date
BE87T1 true BE87T1 (en) 1980-11-07

Family

ID=6010227

Family Applications (1)

Application Number Title Priority Date Filing Date
BEBTR87A BE87T1 (en) 1977-05-28 1978-10-25 METHOD AND DEVICE FOR ASSESSING THE RECEPTION QUALITY OF AN ULTRA-SHORT WAVE MODULATED FREQUENCY SIGNAL.

Country Status (5)

Country Link
AT (1) AT361581B (en)
BE (1) BE87T1 (en)
DE (1) DE2724375C3 (en)
GB (1) GB2056096A (en)
NL (1) NL7815070A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929647A1 (en) * 1979-07-21 1981-02-12 Blaupunkt Werke Gmbh HF receiver circuit for e.g. motor vehicle - has stereo to mono changeover with filter and threshold switches to reduce interference
JPH04291524A (en) * 1991-03-20 1992-10-15 Matsushita Electric Ind Co Ltd Receiver

Also Published As

Publication number Publication date
NL7815070A (en) 1980-12-31
DE2724375B2 (en) 1979-03-29
ATA663778A (en) 1980-08-15
DE2724375A1 (en) 1978-11-30
DE2724375C3 (en) 1979-11-22
GB2056096A (en) 1981-03-11
AT361581B (en) 1981-03-25

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