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Ft4Codec

orion_sdr::codec::ft4

Struct Ft4Codec 

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pub struct Ft4Codec;
Expand description

FT4 channel encoder/decoder.

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impl Ft4Codec

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pub fn encode(payload: &Ft4Bits) -> Ft4Frame

Encode a 77-bit payload into an Ft4Frame of 87 Gray-coded tone indices.

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pub fn decode_hard(frame: &Ft4Frame) -> Option<Ft4Bits>

Decode an Ft4Frame using hard decisions.

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pub fn decode_soft(llr: &[f32; 174]) -> Option<Ft4Bits>

Decode using soft LLR values.

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pub fn frame_to_llr_hard(frame: &Ft4Frame) -> [f32; 174]

Convert an Ft4Frame (hard tone decisions) into 174 LLRs (±10.0).

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