GNU Radio 3.6.4.1 C++ API
gr_pa_2x2_phase_combiner.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 #ifndef INCLUDED_GR_PA_2X2_PHASE_COMBINER_H
23 #define INCLUDED_GR_PA_2X2_PHASE_COMBINER_H
24 
25 #include <gr_core_api.h>
26 #include <gr_sync_block.h>
27 
30 
32 
33 /*!
34  * \brief pa_2x2 phase combiner
35  * \ingroup misc_blk
36  *
37  * Anntenas are arranged like this:
38  *
39  * 2 3
40  * 0 1
41  *
42  * dx and dy are lambda/2.
43  */
45 {
46  static const int NM = 4;
47 
48  float d_theta;
49  gr_complex d_phase[NM];
50 
53 
54  public:
55  float theta() const { return d_theta; }
56  void set_theta(float theta);
57 
58  int work(int noutput_items,
59  gr_vector_const_void_star &input_items,
60  gr_vector_void_star &output_items);
61 };
62 
63 #endif /* INCLUDED_GR_PA_2X2_PHASE_COMBINER_H */