mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-21 21:45:04 -05:00
033c4e9a5b
* Updated style * Updated files * fixed new line * Updated spacing * File fix WIP * Updated to clang 13 * updated comment style * Removed old comment code
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
|
|
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __AIS_BASEBAND_H__
|
|
#define __AIS_BASEBAND_H__
|
|
|
|
#include <cstdint>
|
|
#include <cstddef>
|
|
#include <complex>
|
|
#include <array>
|
|
#include <bitset>
|
|
#include <utility>
|
|
|
|
namespace baseband {
|
|
namespace ais {
|
|
|
|
// Translate+Rectangular window filter
|
|
// sample=38.4k, deviation=2400, symbol=9600
|
|
// Length: 4 taps, 1 symbol, 1/4 cycle of sinusoid
|
|
// Gain: 1.0 (sinusoid / len(taps))
|
|
constexpr std::array<std::complex<float>, 4> square_taps_38k4_1t_p{{
|
|
{0.25000000f, 0.00000000f},
|
|
{0.23096988f, 0.09567086f},
|
|
{0.17677670f, 0.17677670f},
|
|
{0.09567086f, 0.23096988f},
|
|
}};
|
|
|
|
} /* namespace ais */
|
|
} /* namespace baseband */
|
|
|
|
#endif /*__AIS_BASEBAND_H__*/
|