1 | <?xml version="1.0" encoding="UTF-8"?> |
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2 | <xsd:schema |
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3 | elementFormDefault="qualified" |
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4 | attributeFormDefault="unqualified" |
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5 | targetNamespace="http://www.witsml.org/schemas/131" |
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6 | xmlns:witsml="http://www.witsml.org/schemas/131" |
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7 | xmlns:xsd="http://www.w3.org/2001/XMLSchema" |
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8 | version="1.3.1"> |
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9 | <!-- --> |
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10 | <!-- POSC License Agreement |
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11 | This file is distributed under the POSC License Agreement at |
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12 | http://www.posc.org/about/license.shtml. |
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13 | Use of this file constitutes agreement with the POSC License Agreement. |
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14 | --> |
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15 | <!-- --> |
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16 | <xsd:include schemaLocation="attgrp_uid.xsd"/> |
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17 | |
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18 | <xsd:complexType name="cs_oneWayLoss"> |
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19 | <xsd:annotation> |
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20 | <xsd:documentation>The The power loss for one way travel of a beam of light, usually measured |
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21 | in decibels per unit length. It is necessary to include both the value (and its unit) and the |
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22 | wavelength. The wavelength varies with the refractive index, while the frequency remains constant. |
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23 | The wavelength given to specify this type is the wavelength in a vacuum (refractive index = 1).</xsd:documentation> |
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24 | </xsd:annotation> |
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25 | <xsd:sequence> |
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26 | <xsd:element name="value" type="witsml:generalMeasureType" minOccurs="1" maxOccurs="1"> |
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27 | <xsd:annotation> |
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28 | <xsd:documentation>The value of the one way loss per unit of length. |
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29 | The usual uom is decibels per kilometre (dB/km), although this might vary depending on the |
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30 | calibration method used.</xsd:documentation> |
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31 | </xsd:annotation> |
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32 | </xsd:element> |
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33 | <xsd:element name="frequency" type="witsml:frequencyMeasure" minOccurs="0" maxOccurs="1"> |
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34 | <xsd:annotation> |
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35 | <xsd:documentation>The frequency (and uom) for which the one-way loss is measured.</xsd:documentation> |
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36 | </xsd:annotation> |
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37 | </xsd:element> |
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38 | <xsd:element name="wavelength" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1"> |
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39 | <xsd:annotation> |
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40 | <xsd:documentation>The wavelength (and uom) for which the one-way loss is |
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41 | measured. The reported wavelength should be the wavelength of the light in a vacuum.</xsd:documentation> |
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42 | </xsd:annotation> |
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43 | </xsd:element> |
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44 | </xsd:sequence> |
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45 | <xsd:attributeGroup ref="witsml:attgrp_uid"> |
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46 | <xsd:annotation> |
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47 | <xsd:documentation>Unique identifier for the loss.</xsd:documentation> |
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48 | </xsd:annotation> |
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49 | </xsd:attributeGroup> |
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50 | </xsd:complexType> |
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51 | |
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52 | </xsd:schema> |
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