Struct burst_demod_state_t¶

BurstDemod state. Allocate with burst_demod_create() .

#include <burst_demod_core.h>

Public Attributes¶

Type	Name
uint8_t *	acq_code
size_t	acq_reps
size_t	acq_sf
double	carrier_hz
double	chip_rate
uint8_t *	data_code
size_t	data_sf
double	est_freq_hz
double	est_rate_hz
size_t	est_segments
double	est_snr_db
double	f0_prior
size_t	frame_offset
int	frame_valid
double	max_rate
size_t	n_part
size_t	n_symbols
float complex *	part
size_t	payload_len
ppe_state_t *	ppe
size_t	spc
size_t	start
int8_t *	sync
size_t	sync_len

Public Attributes Documentation¶

variable acq_code¶

uint8_t* burst_demod_state_t::acq_code;

owned acq preamble code (0/1), length acq_sf.

variable acq_reps¶

size_t burst_demod_state_t::acq_reps;

acq preamble repetitions.

variable acq_sf¶

size_t burst_demod_state_t::acq_sf;

acq code length (chips).

variable carrier_hz¶

double burst_demod_state_t::carrier_hz;

RF carrier (Hz) for code-Doppler; 0 = ignore.

variable chip_rate¶

double burst_demod_state_t::chip_rate;

chip rate (Hz).

variable data_code¶

uint8_t* burst_demod_state_t::data_code;

owned data spreading code (0/1), length data_sf.

variable data_sf¶

size_t burst_demod_state_t::data_sf;

data spreading factor (chips/symbol).

variable est_freq_hz¶

double burst_demod_state_t::est_freq_hz;

estimated residual Doppler (Hz).

variable est_rate_hz¶

double burst_demod_state_t::est_rate_hz;

estimated Doppler rate (Hz/s).

variable est_segments¶

size_t burst_demod_state_t::est_segments;

partials per acq period for the estimate.

variable est_snr_db¶

double burst_demod_state_t::est_snr_db;

estimator confidence (dB).

variable f0_prior¶

double burst_demod_state_t::f0_prior;

coarse Doppler prior (cycles/sample).

variable frame_offset¶

size_t burst_demod_state_t::frame_offset;

symbol offset of the sync word.

variable frame_valid¶

int burst_demod_state_t::frame_valid;

1 if the CRC-16 trailer matched.

variable max_rate¶

double burst_demod_state_t::max_rate;

chirp-rate search half-span (cycles/sample^2).

variable n_part¶

size_t burst_demod_state_t::n_part;

variable n_symbols¶

size_t burst_demod_state_t::n_symbols;

despread data symbols produced.

variable part¶

float complex* burst_demod_state_t::part;

preamble partials scratch (acq_reps*est_seg).

variable payload_len¶

size_t burst_demod_state_t::payload_len;

payload data symbols (bits).

variable ppe¶

ppe_state_t* burst_demod_state_t::ppe;

feedforward (rate x freq) estimator.

variable spc¶

size_t burst_demod_state_t::spc;

samples per chip.

variable start¶

size_t burst_demod_state_t::start;

preamble start sample in the burst.

variable sync¶

int8_t* burst_demod_state_t::sync;

owned sync word as +/-1, length sync_len.

variable sync_len¶

size_t burst_demod_state_t::sync_len;

sync word length (symbols).

The documentation for this class was generated from the following file native/inc/burst_demod/burst_demod_core.h