BS-EN-60835-2-8-1996 BS-7573-2.8-1996 IEC-60835-2-8-1993.pdf
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1、BRITISH STANDARD BS EN 60835-2-8:1996 BS 7573-2.8: 1996 IEC 835-2-8: 1993 Incorporates Amendment No. 1 to BS EN 60835-2-8: 1996 Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 2.8 Adaptive equal
2、izer The European Standard EN 60835-2-8:1993, together with its amendment A1:1996 has the status of a British Standard ICS 33.060.30 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:26:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-8:1996 This British Standard, having been prep
3、ared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 February 1996 BSI 03-2000 The following BSI references relate to the work on this standard: Committee reference EPL/12 Draft for comment 91/29837 DC ISB
4、N 0 580 25173 X Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee EPL/12, Radio communication, upon which the following bodies were represented: British Broadcasting Corporation British Radio and Electronic Equipment Manufa
5、cturers Association British Telecommunications plc ERA Technology Ltd. Institution of Electrical Engineers Radio, Electrical and Television Retailers Association Radiocommunications Agency Amendments issued since publication Amd. No.DateComments 9598September 1997 Indicated by a sideline in the marg
6、in Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:26:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-8:1996 BSI 03-2000i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 60835-2-85 List of referencesInside back cover Licensed Copy
7、: sheffieldun sheffieldun, na, Sat Nov 11 12:26:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-8:1996 ii BSI 03-2000 National foreword This British Standard has been prepared by Technical Committee EPL/102 (formerly EPL/12) and is the English language version of EN 60835-2-8:1993 Method
8、s of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 8: Adaptive equalizer, including amendment A1:1996, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical
9、with IEC 835-2-8:1993, including amendment No. 1:1996, published by the International Electrotechnical Commission (IEC) and is part of a series. BS EN 60835 is published in three Parts. The other Parts are: Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations;
10、Part 3: Measurements on satellite earth stations. This Section of BS EN 60835-2 covers measurements pertaining to the adaptive equalizers used in digital microwave radio-relay systems. These measurements are intended to characterize the system equalizer in the presence of selective fading and may al
11、so be performed on systems without adaptive equalizers. To take account of those properties of the system which are especially influenced by the use of frequency and/or time domain equalizers, the results of measurements performed on the system are presented by so-called signatures. Additional measu
12、rements provide further means to characterize the performance of the system. It is expected that other Sections of the IEC Publication 835 will be published as identical British Standards, subject to their harmonization by CENELEC. Some Sections of this British Standard have already been published a
13、s Sections of BS 7573. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages T
14、his document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 20, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the ins
15、ide front cover. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:26:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60835-2-8 July 1993 + A1 March 1996 UDC 621.396.7:621.317.083 Descriptors: Radiocommunications, telecommunications, communi
16、cation equipment, earth stations, radio-relay systems, microwave frequencies, measurements, characteristics English version Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 8: Adaptive equalizer
17、(includes amendment A1:1996) (IEC 835-2-8:1993 + A1:1996) Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numrique en hyperfrquence Partie 2: Mesures applicables aux faisceaux hertziens terrestres Section 8: Egaliseur auto-adaptif (inclut lamendement A1:1996) (CEI 83
18、5-2-8:1993 + A1:1996) Meverfahren fr Gerte in digitalen Mikrowellen-Funkbertragungssystemen Teil 2: Messungen an terrestrischen Richtfunksystemen Hauptabschnitt 8: Adaptive Entzerrer (enthlt nderung A1:1996) (IEC 835-2-8:1993 + A1:1996) This European Standard was approved by CENELEC on 1993-07-06. C
19、ENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained o
20、n application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Se
21、cretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENE
22、LEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1993 Copyright reserved to CENELEC members Ref. No. EN 60835-2-8:1993 + A1:1996 E Lice
23、nsed Copy: sheffieldun sheffieldun, na, Sat Nov 11 12:26:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60835-2-8:1993 BSI 03-2000 2 Foreword The text of document 12E(CO)146, as prepared by subcommittee 12E, Radio relay and fixed satellite communication systems, of IEC technical committee 12, Radi
24、ocommunications, was submitted to the IEC-CENELEC parallel vote in November 1991. The reference document was approved by CENELEC as EN 60835-2-8 on 6 July 1993. The following dates were fixed: Foreword to amendment A2 The text of 12E/255/FDIS, future amendment 1 to IEC 835-2-8:1993, prepared by SC 1
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