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33 <div class="section" id="module-PDW">
34<span id="pdw-module"></span><h1>PDW module<a class="headerlink" href="#module-PDW" title="Permalink to this headline">¶</a></h1>
35<dl class="class">
36<dt id="PDW.PDW">
37<em class="property">class </em><code class="descclassname">PDW.</code><code class="descname">PDW</code><span class="sig-paren">(</span><em>time_of_arrival</em>, <em>pdw_format_identifier</em>, <em>center_frequency</em>, <em>is_valid</em>, <em>is_pulse</em>, <em>level_unit</em>, <em>signal_start_missing</em>, <em>signal_end_missing</em>, <em>pulse_width</em>, <em>frequency_shift_or_bandwidth</em>, <em>pulse_level_or_pulse_field_strength</em>, <em>region_of_interest</em>, <em>azimuth_confidence</em>, <em>modulation</em>, <em>sector</em>, <em>polarity</em>, <em>df_quality</em>, <em>elevation</em>, <em>azimuth</em>, <em>channel</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/PDW.html#PDW"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#PDW.PDW" title="Permalink to this definition">¶</a></dt>
38<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
39<p>I store information from a single ppdw data block</p>
40<dl class="method">
41<dt id="PDW.PDW.__init__">
42<code class="descname">__init__</code><span class="sig-paren">(</span><em>time_of_arrival</em>, <em>pdw_format_identifier</em>, <em>center_frequency</em>, <em>is_valid</em>, <em>is_pulse</em>, <em>level_unit</em>, <em>signal_start_missing</em>, <em>signal_end_missing</em>, <em>pulse_width</em>, <em>frequency_shift_or_bandwidth</em>, <em>pulse_level_or_pulse_field_strength</em>, <em>region_of_interest</em>, <em>azimuth_confidence</em>, <em>modulation</em>, <em>sector</em>, <em>polarity</em>, <em>df_quality</em>, <em>elevation</em>, <em>azimuth</em>, <em>channel</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/PDW.html#PDW.__init__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#PDW.PDW.__init__" title="Permalink to this definition">¶</a></dt>
43<dd><table class="docutils field-list" frame="void" rules="none">
44<col class="field-name" />
45<col class="field-body" />
46<tbody valign="top">
47<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
48<li><strong>time_of_arrival</strong> (<em>Integer</em>) – nanoseconds since 1970-01-01 00:00:00</li>
49<li><strong>pdw_format</strong> (<em>Integer</em>) – format code</li>
50<li><strong>center_frequency</strong> (<em>Integer</em>) – center frequency in KHz</li>
51<li><strong>is_valid</strong> (<em>Boolean</em>) – flag to mark if pdw data body is valid</li>
52<li><strong>is_pulse</strong> (<em>Boolean</em>) – flag to mark if pdw data body contains a pulse or a continuous wave signal</li>
53<li><strong>level_unit</strong> (<em>Integer</em>) – 0 means dBµV - 1 means dBµV/m</li>
54<li><strong>signal_start_missing</strong> (<em>Boolean</em>) – signal started before time of arrival</li>
55<li><strong>signal_end_missing</strong> (<em>Boolean</em>) – signal stops after time of arrival</li>
56<li><strong>pulse_width</strong> (<em>Integer</em>) – pulse width in nanoseconds - Zero if no valid pulse detected</li>
57<li><strong>frequency_shift_or_bandwidth</strong> (<em>Integer</em>) – Value in KHz - Value set to 1048575 means Unknown</li>
58<li><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</li>
59<li><strong>region_of_interest</strong> (<em>Boolean</em>) – Marks if signal is from region of interest</li>
60<li><strong>azimuth_confidence</strong> (<em>Float</em>) – degree in steps of 0.1 (0.0-6.2) / 6.3 means confidence unknown</li>
61<li><strong>modulation</strong> (<em>String</em>) – type of modulation (e.g. PSK-2, PSK-4, FM etc.)</li>
62<li><strong>sector</strong> (<em>Integer</em>) – reference antenna sector (0-15)</li>
63<li><strong>polarity</strong> (<em>String</em>) – Horizontal, Vertical, Clockwise, Counter clockwise</li>
64<li><strong>df_quality</strong> (<em>Integer</em>) – Direction finding quality in percent (0-100) - Zero means unknown</li>
65<li><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</li>
66<li><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</li>
67<li><strong>channel</strong> (<em>Integer</em>) – detecting channel (0-16) - Zero means unknown</li>
68</ul>
69</td>
70</tr>
71<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An instance of class PDW with attributes set according to the data of a data body</p>
72</td>
73</tr>
74<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last"><a class="reference internal" href="#PDW.PDW" title="PDW.PDW">PDW</a></p>
75</td>
76</tr>
77</tbody>
78</table>
79</dd></dl>
80
81<dl class="classmethod">
82<dt id="PDW.PDW.from_bytes">
83<em class="property">classmethod </em><code class="descname">from_bytes</code><span class="sig-paren">(</span><em>byte_string</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/PDW.html#PDW.from_bytes"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#PDW.PDW.from_bytes" title="Permalink to this definition">¶</a></dt>
84<dd><p>I create an instance of class PDW from data body (8 * 32 bits)</p>
85<table class="docutils field-list" frame="void" rules="none">
86<col class="field-name" />
87<col class="field-body" />
88<tbody valign="top">
89<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>byte_string</strong> (<em>byte string</em>) – a byte string containing a single data body read from a ppdw file</td>
90</tr>
91<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">an instance of class PDW with attributes set according to the data of a data body</td>
92</tr>
93<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference internal" href="#PDW.PDW" title="PDW.PDW">PDW</a></td>
94</tr>
95</tbody>
96</table>
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