DE69022715T2 - Ermittlung von Dispersionseigenschaften eines Fernmelde-Übertragungskanals aus einer empfangenen Prüfsequenz nach Korrelation und Vervielfältigung. - Google Patents

Ermittlung von Dispersionseigenschaften eines Fernmelde-Übertragungskanals aus einer empfangenen Prüfsequenz nach Korrelation und Vervielfältigung.

Info

Publication number
DE69022715T2
DE69022715T2 DE69022715T DE69022715T DE69022715T2 DE 69022715 T2 DE69022715 T2 DE 69022715T2 DE 69022715 T DE69022715 T DE 69022715T DE 69022715 T DE69022715 T DE 69022715T DE 69022715 T2 DE69022715 T2 DE 69022715T2
Authority
DE
Germany
Prior art keywords
duplication
correlation
determination
transmission channel
test sequence
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69022715T
Other languages
English (en)
Other versions
DE69022715D1 (de
Inventor
Jin-Der Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Priority claimed from CA 2111170 external-priority patent/CA2111170C/en
Application granted granted Critical
Publication of DE69022715D1 publication Critical patent/DE69022715D1/de
Publication of DE69022715T2 publication Critical patent/DE69022715T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
DE69022715T 1990-03-13 1990-12-07 Ermittlung von Dispersionseigenschaften eines Fernmelde-Übertragungskanals aus einer empfangenen Prüfsequenz nach Korrelation und Vervielfältigung. Expired - Fee Related DE69022715T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49301790A 1990-03-13 1990-03-13
CA 2111170 CA2111170C (en) 1990-03-13 1993-12-10 Technique for determining signal dispersion characteristics in communications systems

Publications (2)

Publication Number Publication Date
DE69022715D1 DE69022715D1 (de) 1995-11-02
DE69022715T2 true DE69022715T2 (de) 1996-05-23

Family

ID=25676844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022715T Expired - Fee Related DE69022715T2 (de) 1990-03-13 1990-12-07 Ermittlung von Dispersionseigenschaften eines Fernmelde-Übertragungskanals aus einer empfangenen Prüfsequenz nach Korrelation und Vervielfältigung.

Country Status (5)

Country Link
EP (1) EP0446523B1 (de)
JP (1) JPH04220892A (de)
KR (1) KR940008123B1 (de)
CA (1) CA2033931C (de)
DE (1) DE69022715T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406586A (en) * 1991-07-09 1995-04-11 At&T Corp. Signal correlation technique
FI108975B (fi) * 1993-03-09 2002-04-30 Nokia Corp Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä
US6084862A (en) * 1997-09-26 2000-07-04 Telefonaktiebolaget Lm Ericsson Time dispersion measurement in radio communications systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212839B2 (de) * 1985-07-16 1994-10-19 Matsushita Electric Industrial Co., Ltd. Übertragungs-/Empfangssystem für ein Bezugssignal zur Geisterbildauslöschung
JP2594639B2 (ja) * 1989-03-23 1997-03-26 株式会社日立製作所 テレビジョン映像受信信号波形歪み検出方法並びにそれに使用するテレビジョン映像信号送信装置および受信装置

Also Published As

Publication number Publication date
JPH04220892A (ja) 1992-08-11
EP0446523A2 (de) 1991-09-18
KR910017878A (ko) 1991-11-05
KR940008123B1 (ko) 1994-09-02
EP0446523A3 (en) 1992-06-03
EP0446523B1 (de) 1995-09-27
CA2033931C (en) 1995-06-27
DE69022715D1 (de) 1995-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee