METHOD AND ARRANGEMENT FOR ESTIMATION OF LINE PROPERTIES
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 (ae Zin,(f) ae) is generated. The latter is shown as...
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| 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 (ae Zin,(f) ae) is generated. The latter is shown as a curve (Al) in the diagram with the frequency (f) on the abscissa and the impedance (ae Zin,(f) ae) on the ordinate. Extreme values (Max.l, Max2, Max3; Minl, Min2, Min3) are denoted and a frequency distance (FD1- FD4) between two consecutive of the extreme values is generated. The line length (L) is generated as L=1/2 bull vop/FD1, 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.
Se debe estimar la longitud y atenuacion de una linea de senales entre un transmisor y un equipo en instalaciones de cliente. Une impedancia de entrada de linea dependiente de la frecuencia (Zin',(f)), como se puede observar a partir del transmisor, se mide y se genera un valor de impedancia absoluta (° Zin'(f)). Este valor se muestra en forma de una curva (A1) en el diagrama con la frecuencia (f) en la abscisa y la impedancia (° Zin'(f) °) en la ordenada. Valores extremos (Max1, Max2, Max3; Min1, Min2, Min3) se indican y se genera una distancia de frecuencias (FD1 - FD4) entre dos valores de extremo consecutivos. La longitud de linea (L) es generada como L = 1/2 ° vop/FD1, en donde vop es la velocidad de propagacion de una senal en la linea. La atenuacion es estimada multiplicando la longitud de la linea con un valor promedio de atenuacion para el tipo de linea real. Las ventajas son que la longitud de la linea puede ser estimada con buena exactitud en forma sencilla para lineas cortas y que se estima la atenuacion de linea en forma sencilla. |
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Se debe estimar la longitud y atenuacion de una linea de senales entre un transmisor y un equipo en instalaciones de cliente. Une impedancia de entrada de linea dependiente de la frecuencia (Zin',(f)), como se puede observar a partir del transmisor, se mide y se genera un valor de impedancia absoluta (° Zin'(f)). Este valor se muestra en forma de una curva (A1) en el diagrama con la frecuencia (f) en la abscisa y la impedancia (° Zin'(f) °) en la ordenada. Valores extremos (Max1, Max2, Max3; Min1, Min2, Min3) se indican y se genera una distancia de frecuencias (FD1 - FD4) entre dos valores de extremo consecutivos. La longitud de linea (L) es generada como L = 1/2 ° vop/FD1, en donde vop es la velocidad de propagacion de una senal en la linea. La atenuacion es estimada multiplicando la longitud de la linea con un valor promedio de atenuacion para el tipo de linea real. Las ventajas son que la longitud de la linea puede ser estimada con buena exactitud en forma sencilla para lineas cortas y que se estima la atenuacion de linea en forma sencilla.</description><edition>7</edition><language>eng ; spa</language><subject>DETECTING MASSES OR OBJECTS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; GEOPHYSICS ; GRAVITATIONAL MEASUREMENTS ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING ELECTRIC VARIABLES ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TELEPHONIC COMMUNICATION ; TESTING ; TRANSMISSION</subject><creationdate>2006</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=20060126&DB=EPODOC&CC=MX&NR=PA05011766A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060126&DB=EPODOC&CC=MX&NR=PA05011766A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ADAM WIA</creatorcontrib><title>METHOD AND ARRANGEMENT FOR ESTIMATION OF LINE PROPERTIES</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 (ae Zin,(f) ae) is generated. The latter is shown as a curve (Al) in the diagram with the frequency (f) on the abscissa and the impedance (ae Zin,(f) ae) on the ordinate. Extreme values (Max.l, Max2, Max3; Minl, Min2, Min3) are denoted and a frequency distance (FD1- FD4) between two consecutive of the extreme values is generated. The line length (L) is generated as L=1/2 bull vop/FD1, 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.
Se debe estimar la longitud y atenuacion de una linea de senales entre un transmisor y un equipo en instalaciones de cliente. Une impedancia de entrada de linea dependiente de la frecuencia (Zin',(f)), como se puede observar a partir del transmisor, se mide y se genera un valor de impedancia absoluta (° Zin'(f)). Este valor se muestra en forma de una curva (A1) en el diagrama con la frecuencia (f) en la abscisa y la impedancia (° Zin'(f) °) en la ordenada. Valores extremos (Max1, Max2, Max3; Min1, Min2, Min3) se indican y se genera una distancia de frecuencias (FD1 - FD4) entre dos valores de extremo consecutivos. La longitud de linea (L) es generada como L = 1/2 ° vop/FD1, en donde vop es la velocidad de propagacion de una senal en la linea. La atenuacion es estimada multiplicando la longitud de la linea con un valor promedio de atenuacion para el tipo de linea real. Las ventajas son que la longitud de la linea puede ser estimada con buena exactitud en forma sencilla para lineas cortas y que se estima la atenuacion de linea en forma sencilla.</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 ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TELEPHONIC COMMUNICATION</subject><subject>TESTING</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDwdQ3x8HdRcPQD4qAgRz93V19XvxAFN_8gBdfgEE9fxxBPfz8FfzcFH08_V4WAIP8A16AQT9dgHgbWtMSc4lReKM3NoOTmGuLsoZtakB-fWlyQmJyal1oS7xsR4GhgamBoaG5m5mhMlCIAu2MpVQ</recordid><startdate>20060126</startdate><enddate>20060126</enddate><creator>ADAM WIA</creator><scope>EVB</scope></search><sort><creationdate>20060126</creationdate><title>METHOD AND ARRANGEMENT FOR ESTIMATION OF LINE PROPERTIES</title><author>ADAM WIA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_MXPA05011766A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; spa</language><creationdate>2006</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 ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TELEPHONIC COMMUNICATION</topic><topic>TESTING</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>ADAM WIA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ADAM WIA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND ARRANGEMENT FOR ESTIMATION OF LINE PROPERTIES</title><date>2006-01-26</date><risdate>2006</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 (ae Zin,(f) ae) is generated. The latter is shown as a curve (Al) in the diagram with the frequency (f) on the abscissa and the impedance (ae Zin,(f) ae) on the ordinate. Extreme values (Max.l, Max2, Max3; Minl, Min2, Min3) are denoted and a frequency distance (FD1- FD4) between two consecutive of the extreme values is generated. The line length (L) is generated as L=1/2 bull vop/FD1, 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.
Se debe estimar la longitud y atenuacion de una linea de senales entre un transmisor y un equipo en instalaciones de cliente. Une impedancia de entrada de linea dependiente de la frecuencia (Zin',(f)), como se puede observar a partir del transmisor, se mide y se genera un valor de impedancia absoluta (° Zin'(f)). Este valor se muestra en forma de una curva (A1) en el diagrama con la frecuencia (f) en la abscisa y la impedancia (° Zin'(f) °) en la ordenada. Valores extremos (Max1, Max2, Max3; Min1, Min2, Min3) se indican y se genera una distancia de frecuencias (FD1 - FD4) entre dos valores de extremo consecutivos. La longitud de linea (L) es generada como L = 1/2 ° vop/FD1, en donde vop es la velocidad de propagacion de una senal en la linea. La atenuacion es estimada multiplicando la longitud de la linea con un valor promedio de atenuacion para el tipo de linea real. Las ventajas son que la longitud de la linea puede ser estimada con buena exactitud en forma sencilla para lineas cortas y que se estima la atenuacion de linea en forma sencilla.</abstract><edition>7</edition><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 ANGLES MEASURING AREAS MEASURING ELECTRIC VARIABLES MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING MAGNETIC VARIABLES PHYSICS TELEPHONIC COMMUNICATION TESTING TRANSMISSION |
| title | METHOD AND ARRANGEMENT FOR ESTIMATION OF LINE PROPERTIES |
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