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Add inverse SINC filter for NXDN demodulator

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This commit is contained in:
Andy CA6JAU
2018-02-08 18:34:53 -03:00
parent 9c01a6328a
commit eebfc56013
2 changed files with 19 additions and 2 deletions
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IO.h
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@@ -70,11 +70,13 @@ private:
arm_fir_instance_q15 m_gaussianFilter;
arm_fir_instance_q15 m_boxcarFilter;
arm_fir_instance_q15 m_nxdnFilter;
arm_fir_instance_q15 m_nxdnISincFilter;
arm_fir_instance_q15 m_ysfFilter;
q15_t m_dmrState[70U]; // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
q15_t m_gaussianState[40U]; // NoTaps + BlockSize - 1, 12 + 20 - 1 plus some spare
q15_t m_boxcarState[30U]; // NoTaps + BlockSize - 1, 6 + 20 - 1 plus some spare
q15_t m_nxdnState[110U]; // NoTaps + BlockSize - 1, 82 + 20 - 1 plus some spare
q15_t m_nxdnISincState[60U]; // NoTaps + BlockSize - 1, 32 + 20 - 1 plus some spare
q15_t m_ysfState[70U]; // NoTaps + BlockSize - 1, 42 + 20 - 1 plus some spare
bool m_pttInvert;