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| 9 | <title>PDW module — AmmosReader 0.314 documentation</title>
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| [1e781ba] | 32 | <div class="body" role="main">
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| 33 |
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| [ada37fa] | 34 | <section id="module-ammosreader.PDW">
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| 35 | <span id="pdw-module"></span><h1>PDW module<a class="headerlink" href="#module-ammosreader.PDW" title="Permalink to this headline">¶</a></h1>
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| 36 | <dl class="py class">
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| 37 | <dt class="sig sig-object py" id="ammosreader.PDW.PDW">
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| 38 | <em class="property"><span class="pre">class</span> </em><span class="sig-prename descclassname"><span class="pre">ammosreader.PDW.</span></span><span class="sig-name descname"><span class="pre">PDW</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">time_of_arrival</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pdw_format_identifier</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">center_frequency</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">is_valid</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">is_pulse</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">level_unit</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">signal_start_missing</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">signal_end_missing</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pulse_width</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">frequency_shift_or_bandwidth</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pulse_level_or_pulse_field_strength</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">region_of_interest</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">azimuth_confidence</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">modulation</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">sector</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">polarity</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">df_quality</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">elevation</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">azimuth</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">channel</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/ammosreader/PDW.html#PDW"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#ammosreader.PDW.PDW" title="Permalink to this definition">¶</a></dt>
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| [1e781ba] | 39 | <dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
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| [ada37fa] | 40 | <p>I store information from a single ppdw data block.</p>
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| 41 | <dl class="py method">
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| 42 | <dt class="sig sig-object py" id="ammosreader.PDW.PDW.__init__">
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| 43 | <span class="sig-name descname"><span class="pre">__init__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">time_of_arrival</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pdw_format_identifier</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">center_frequency</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">is_valid</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">is_pulse</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">level_unit</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">signal_start_missing</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">signal_end_missing</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pulse_width</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">frequency_shift_or_bandwidth</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pulse_level_or_pulse_field_strength</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">region_of_interest</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">azimuth_confidence</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">modulation</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">sector</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">polarity</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">df_quality</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">elevation</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">azimuth</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">channel</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/ammosreader/PDW.html#PDW.__init__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#ammosreader.PDW.PDW.__init__" title="Permalink to this definition">¶</a></dt>
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| 44 | <dd><dl class="field-list simple">
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| 45 | <dt class="field-odd">Parameters</dt>
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| 46 | <dd class="field-odd"><ul class="simple">
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| 47 | <li><p><strong>time_of_arrival</strong> (<em>Integer</em>) – nanoseconds since 1970-01-01 00:00:00</p></li>
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| 48 | <li><p><strong>pdw_format</strong> (<em>Integer</em>) – format code</p></li>
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| 49 | <li><p><strong>center_frequency</strong> (<em>Integer</em>) – center frequency in KHz</p></li>
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| 50 | <li><p><strong>is_valid</strong> (<em>Boolean</em>) – flag to mark if pdw data body is valid</p></li>
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| 51 | <li><p><strong>is_pulse</strong> (<em>Boolean</em>) – flag to mark if pdw data body contains a pulse or a continuous wave signal</p></li>
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| 52 | <li><p><strong>level_unit</strong> (<em>Integer</em>) – 0 means dBµV - 1 means dBµV/m</p></li>
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| 53 | <li><p><strong>signal_start_missing</strong> (<em>Boolean</em>) – signal started before time of arrival</p></li>
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| 54 | <li><p><strong>signal_end_missing</strong> (<em>Boolean</em>) – signal stops after time of arrival</p></li>
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| 55 | <li><p><strong>pulse_width</strong> (<em>Integer</em>) – pulse width in nanoseconds - Zero if no valid pulse detected</p></li>
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| 56 | <li><p><strong>frequency_shift_or_bandwidth</strong> (<em>Integer</em>) – Value in KHz - Value set to 1048575 means Unknown</p></li>
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| 57 | <li><p><strong>pulse_level_or_pulse_field_strength</strong> (<em>Float</em>) – Pulse level or Pulse Field Strength depending on level_unit (-200.0…200.0) in 0.1 steps / minus 204.8 means no valid level detected</p></li>
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| 58 | <li><p><strong>region_of_interest</strong> (<em>Boolean</em>) – Marks if signal is from region of interest</p></li>
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| 59 | <li><p><strong>azimuth_confidence</strong> (<em>Float</em>) – degree in steps of 0.1 (0.0-6.2) / 6.3 means confidence unknown</p></li>
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| 60 | <li><p><strong>modulation</strong> (<em>String</em>) – type of modulation (e.g. PSK-2, PSK-4, FM etc.)</p></li>
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| 61 | <li><p><strong>sector</strong> (<em>Integer</em>) – reference antenna sector (0-15)</p></li>
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| 62 | <li><p><strong>polarity</strong> (<em>String</em>) – Horizontal, Vertical, Clockwise, Counter clockwise</p></li>
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| 63 | <li><p><strong>df_quality</strong> (<em>Integer</em>) – Direction finding quality in percent (0-100) - Zero means unknown</p></li>
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| 64 | <li><p><strong>elevation</strong> (<em>Float</em>) – elevation of incoming signal (from -90 to 90 degree) in steps of 0.1 degree minus 102.4 means unknown</p></li>
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| 65 | <li><p><strong>azimuth</strong> (<em>Float</em>) – azimuth of incoming signal (from 0 to 359.9 degree) in steps of 0.1 degree plus 409.5 means unknown</p></li>
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| 66 | <li><p><strong>channel</strong> (<em>Integer</em>) – detecting channel (0-16) - Zero means unknown</p></li>
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| [1e781ba] | 67 | </ul>
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| [ada37fa] | 68 | </dd>
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| 69 | <dt class="field-even">Returns</dt>
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| 70 | <dd class="field-even"><p>An instance of class PDW with attributes set according to the data of a data body</p>
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| 71 | </dd>
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| 72 | <dt class="field-odd">Return type</dt>
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| 73 | <dd class="field-odd"><p><a class="reference internal" href="ammosreader.html#ammosreader.PDW.PDW" title="ammosreader.PDW.PDW">PDW</a></p>
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| 74 | </dd>
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| 75 | </dl>
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| [1e781ba] | 76 | </dd></dl>
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| 77 |
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| [ada37fa] | 78 | <dl class="py method">
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| 79 | <dt class="sig sig-object py" id="ammosreader.PDW.PDW.from_bytes">
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| 80 | <em class="property"><span class="pre">classmethod</span> </em><span class="sig-name descname"><span class="pre">from_bytes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">byte_string</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/ammosreader/PDW.html#PDW.from_bytes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#ammosreader.PDW.PDW.from_bytes" title="Permalink to this definition">¶</a></dt>
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| [1e781ba] | 81 | <dd><p>I create an instance of class PDW from data body (8 * 32 bits)</p>
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| [ada37fa] | 82 | <dl class="field-list simple">
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| 83 | <dt class="field-odd">Parameters</dt>
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| 84 | <dd class="field-odd"><p><strong>byte_string</strong> (<em>byte string</em>) – a byte string containing a single data body read from a ppdw file</p>
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| 85 | </dd>
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| 86 | <dt class="field-even">Returns</dt>
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| 87 | <dd class="field-even"><p>an instance of class PDW with attributes set according to the data of a data body</p>
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| 88 | </dd>
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| 89 | <dt class="field-odd">Return type</dt>
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| 90 | <dd class="field-odd"><p><a class="reference internal" href="ammosreader.html#ammosreader.PDW.PDW" title="ammosreader.PDW.PDW">PDW</a></p>
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| 91 | </dd>
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| 92 | </dl>
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| [1e781ba] | 93 | </dd></dl>
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| 94 |
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| 95 | </dd></dl>
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| 96 |
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| [ada37fa] | 97 | </section>
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| [1e781ba] | 98 |
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