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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 <!-- $Id: constructor_examples_fsdata_content.html,v 1.3 2008/03/30 20:40:04 ingo Exp $ -->
2
3 <!-- -------------------------------------------------- -->
4 <!-- --------------- BEGIN CONTENT FILE --------------- -->
5 <!-- -------------------------------------------------- -->
6
7 <!-- --------------- Link box: begin --------------- -->
8 <table border="0" summary="Simple list" class="simplelist_nottable_last">
9 <tr>
10 <td>
11 <a href="constructor_examples_fsdata.html#empty">Construct empty FSDATA object</a>
12 </td>
13 </tr>
14 <tr>
15 <td>
16 <a href="constructor_examples_fsdata.html#xml_file">Construct a FSDATA object by loading the object from a file</a>
17 </td>
18 </tr>
19 <tr>
20 <td>
21 <a href="constructor_examples_fsdata.html#data_vector">Construct a FSDATA object from a data vector</a>
22 </td>
23 </tr>
24 <tr>
25 <td>
26 <a href="constructor_examples_fsdata.html#data_freq_vector">Construct a FSDATA object from a data vector and frequency vector</a>
27 </td>
28 </tr>
29 <tr>
30 <td>
31 <a href="constructor_examples_fsdata.html#data_frequency">Construct a FSDATA object from a data vector and the corresponding frequency</a>
32 </td>
33 </tr>
34 <tr>
35 <td>
36 <a href="constructor_examples_fsdata.html#all">Construct a FSDATA object from a data vector, frequency vector and the corresponding frequency</a>
37 </td>
38 </tr>
39 </table>
40 <!-- --------------- Link box: end --------------- -->
41
42 <!-- --------------- NEXT EXAMPLE --------------- -->
43
44 <hr>
45 <h2 class="title"><a name="empty"></a>Construct empty FSDATA object</h2>
46 <p>The following example creates an empty fsdata object</p>
47 <div class="fragment"><pre class="programlisting">
48 f1 = fsdata()
49 ----------- fsdata 01 -----------
50
51 name: None
52 fs: 0
53 x: [0 0], double
54 y: [0 0], double
55 xunits: Hz
56 yunits:
57 ---------------------------------
58 </pre></div>
59
60 <!-- --------------- NEXT EXAMPLE --------------- -->
61
62 <hr>
63 <h2 class="title"><a name="xml_file"></a>Construct a FSDATA object by loading the object from a file</h2>
64 <p>The following example creates a new fsdata object by loading the fsdata object from disk.</p>
65 <div class="fragment"><pre class="programlisting">
66 f1 = fsdata(<span class="string">'f1.mat'</span>)
67 f1 = fsdata(<span class="string">'f1.xml'</span>)
68 </pre></div>
69
70 <!-- --------------- NEXT EXAMPLE --------------- -->
71
72 <hr>
73 <h2 class="title"><a name="data_vector"></a>Construct a FSDATA object from a data vector</h2>
74 <p>creates a frequency-series object with the given y-data. Sample rate of the data is assumed to be 1Hz.</p>
75 <div class="fragment"><pre class="programlisting">
76 y = randn(1000,1);
77
78 f1 = fsdata(y)
79 </pre></div>
80
81 <!-- --------------- NEXT EXAMPLE --------------- -->
82
83 <hr>
84 <h2 class="title"><a name="data_freq_vector"></a>Construct a FSDATA object from a data vector and frequency vector</h2>
85 <p>creates a frequency-series object with the given (x,y)-data. The sample rate is then set as 2*x(end).</p>
86 <div class="fragment"><pre class="programlisting">
87 fs = 10;
88 x = linspace(0, fs/2, 1000);
89 y = randn(1000,1);
90
91 f1 = fsdata(x,y)
92 </pre></div>
93
94 <!-- --------------- NEXT EXAMPLE --------------- -->
95
96 <hr>
97 <h2 class="title"><a name="data_frequency"></a>Construct a FSDATA object from a data vector and the corresponding frequency</h2>
98 <p>creates a frequency-series object with the given y-data and sample rate. The frequency vector is grown assuming the first y sample corresponds to 0Hz and the last sample corresponds to the Nyquist frequency.</p>
99 <div class="fragment"><pre class="programlisting">
100 y = randn(1000,1);
101 fs = 100;
102
103 f1 = fsdata(y,fs)
104 </pre></div>
105
106 <!-- --------------- NEXT EXAMPLE --------------- -->
107
108 <hr>
109 <h2 class="title"><a name="all"></a>Construct a FSDATA object from a data vector, frequency vector and the corresponding frequency</h2>
110 <p>creates a frequency-series object with the given x,y-data and sample rate.</p>
111 <div class="fragment"><pre class="programlisting">
112 fs = 10;
113 x = linspace(0, fs/2, 1000);
114 y = randn(1000,1);
115
116 f1 = fsdata(x,y,fs);
117 </pre></div>
118
119 <!-- ------------------------------------------------ -->
120 <!-- --------------- END CONTENT FILE --------------- -->
121 <!-- ------------------------------------------------ -->