VERFAHREN UND ANORDNUNG FÜR SIGNALSCHLEIFENTESTS
The length and attenuation of a signal line between a transmitter and a customer premises equipment is to be estimated. A frequency dependent line input impedance (Zin(f)) as seen from the transmitter, is measured and an absolute impedance value (oe Zin(f) oe), is generated. The latter is shown as a...
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| creator | JENSEN, AXEL OEDLIN, PER ROSENBERG, JONAS WIA , ADAM BOERJESSON, PER LINDQVIST, FREDRIK FERTNER, ANTONY |
| description | The length and attenuation of a signal line between a transmitter and a customer premises equipment is to be estimated. A frequency dependent line input impedance (Zin(f)) as seen from the transmitter, is measured and an absolute impedance value (oe Zin(f) oe), is generated. The latter is shown as a curve (A1) in the diagram with the frequency (f) on the abscissa and the impedance (oe Zin(f) oe) on the ordinate. Extreme values (Max. 1 , Max 2 , Max 3 ; Min 1 , Min 2 , Min 3 ) arc denoted and a frequency distance (FD 1 -FD 4 ) between two consecutive of the extreme values is generated. The line length (L) is generated as L=½.vop/FD 1 , in which vop is the velocity of propagation of a signal on the line. The attenuation is estimated by multiplying the line length with an average attenuation value for the actual line type. The advantages are that the line length can be estimated with good accuracy in a simple manner for short lines and that the line attenuation is estimated in a simple manner. |
| format | Patent |
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A frequency dependent line input impedance (Zin(f)) as seen from the transmitter, is measured and an absolute impedance value (oe Zin(f) oe), is generated. The latter is shown as a curve (A1) in the diagram with the frequency (f) on the abscissa and the impedance (oe Zin(f) oe) on the ordinate. Extreme values (Max. 1 , Max 2 , Max 3 ; Min 1 , Min 2 , Min 3 ) arc denoted and a frequency distance (FD 1 -FD 4 ) between two consecutive of the extreme values is generated. The line length (L) is generated as L=½.vop/FD 1 , in which vop is the velocity of propagation of a signal on the line. The attenuation is estimated by multiplying the line length with an average attenuation value for the actual line type. The advantages are that the line length can be estimated with good accuracy in a simple manner for short lines and that the line attenuation is estimated in a simple manner.</description><language>ger</language><subject>DETECTING MASSES OR OBJECTS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; GEOPHYSICS ; GRAVITATIONAL MEASUREMENTS ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TELEPHONIC COMMUNICATION ; TESTING</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080215&DB=EPODOC&CC=AT&NR=E384395T1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080215&DB=EPODOC&CC=AT&NR=E384395T1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JENSEN, AXEL</creatorcontrib><creatorcontrib>OEDLIN, PER</creatorcontrib><creatorcontrib>ROSENBERG, JONAS</creatorcontrib><creatorcontrib>WIA , ADAM</creatorcontrib><creatorcontrib>BOERJESSON, PER</creatorcontrib><creatorcontrib>LINDQVIST, FREDRIK</creatorcontrib><creatorcontrib>FERTNER, ANTONY</creatorcontrib><title>VERFAHREN UND ANORDNUNG FÜR SIGNALSCHLEIFENTESTS</title><description>The length and attenuation of a signal line between a transmitter and a customer premises equipment is to be estimated. A frequency dependent line input impedance (Zin(f)) as seen from the transmitter, is measured and an absolute impedance value (oe Zin(f) oe), is generated. The latter is shown as a curve (A1) in the diagram with the frequency (f) on the abscissa and the impedance (oe Zin(f) oe) on the ordinate. Extreme values (Max. 1 , Max 2 , Max 3 ; Min 1 , Min 2 , Min 3 ) arc denoted and a frequency distance (FD 1 -FD 4 ) between two consecutive of the extreme values is generated. The line length (L) is generated as L=½.vop/FD 1 , in which vop is the velocity of propagation of a signal on the line. The attenuation is estimated by multiplying the line length with an average attenuation value for the actual line type. The advantages are that the line length can be estimated with good accuracy in a simple manner for short lines and that the line attenuation is estimated in a simple manner.</description><subject>DETECTING MASSES OR OBJECTS</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>GEOPHYSICS</subject><subject>GRAVITATIONAL MEASUREMENTS</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TELEPHONIC COMMUNICATION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAMcw1yc_QIcvVTCPVzUXD08w9y8Qv1c1dwOzwnSCHY093P0SfY2cPH1dPN1S_ENTgkmIeBNS0xpziVF0pzMyi6uYY4e-imFuTHpxYXJCan5qWWxDuGuBpbmBhbmoaEGBoTowYA2UooRw</recordid><startdate>20080215</startdate><enddate>20080215</enddate><creator>JENSEN, AXEL</creator><creator>OEDLIN, PER</creator><creator>ROSENBERG, JONAS</creator><creator>WIA , ADAM</creator><creator>BOERJESSON, PER</creator><creator>LINDQVIST, FREDRIK</creator><creator>FERTNER, ANTONY</creator><scope>EVB</scope></search><sort><creationdate>20080215</creationdate><title>VERFAHREN UND ANORDNUNG FÜR SIGNALSCHLEIFENTESTS</title><author>JENSEN, AXEL ; OEDLIN, PER ; ROSENBERG, JONAS ; WIA , ADAM ; BOERJESSON, PER ; LINDQVIST, FREDRIK ; FERTNER, ANTONY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_ATE384395TT13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>2008</creationdate><topic>DETECTING MASSES OR OBJECTS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>GEOPHYSICS</topic><topic>GRAVITATIONAL MEASUREMENTS</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TELEPHONIC COMMUNICATION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>JENSEN, AXEL</creatorcontrib><creatorcontrib>OEDLIN, PER</creatorcontrib><creatorcontrib>ROSENBERG, JONAS</creatorcontrib><creatorcontrib>WIA , ADAM</creatorcontrib><creatorcontrib>BOERJESSON, PER</creatorcontrib><creatorcontrib>LINDQVIST, FREDRIK</creatorcontrib><creatorcontrib>FERTNER, ANTONY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>JENSEN, AXEL</au><au>OEDLIN, PER</au><au>ROSENBERG, JONAS</au><au>WIA , ADAM</au><au>BOERJESSON, PER</au><au>LINDQVIST, FREDRIK</au><au>FERTNER, ANTONY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VERFAHREN UND ANORDNUNG FÜR SIGNALSCHLEIFENTESTS</title><date>2008-02-15</date><risdate>2008</risdate><abstract>The length and attenuation of a signal line between a transmitter and a customer premises equipment is to be estimated. A frequency dependent line input impedance (Zin(f)) as seen from the transmitter, is measured and an absolute impedance value (oe Zin(f) oe), is generated. The latter is shown as a curve (A1) in the diagram with the frequency (f) on the abscissa and the impedance (oe Zin(f) oe) on the ordinate. Extreme values (Max. 1 , Max 2 , Max 3 ; Min 1 , Min 2 , Min 3 ) arc denoted and a frequency distance (FD 1 -FD 4 ) between two consecutive of the extreme values is generated. The line length (L) is generated as L=½.vop/FD 1 , in which vop is the velocity of propagation of a signal on the line. The attenuation is estimated by multiplying the line length with an average attenuation value for the actual line type. The advantages are that the line length can be estimated with good accuracy in a simple manner for short lines and that the line attenuation is estimated in a simple manner.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DETECTING MASSES OR OBJECTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TELEPHONIC COMMUNICATION TESTING |
| title | VERFAHREN UND ANORDNUNG FÜR SIGNALSCHLEIFENTESTS |
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