GNU Radio's TEST Package
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Files | |
file | cxvec_math.h |
Osmocom Complex vectors math header. | |
Macros | |
#define | M_PIf (3.14159265358979323846264338327f) |
PI value float. More... | |
Enumerations | |
enum | osmo_cxvec_conv_type { CONV_FULL_SPAN , CONV_OVERLAP_ONLY , CONV_NO_DELAY } |
Various possible types of convolution span. More... | |
enum | osmo_cxvec_peak_alg { PEAK_WEIGH_WIN , PEAK_WEIGH_WIN_CENTER , PEAK_EARLY_LATE } |
Various possible peak finding algorithms. More... | |
Functions | |
static float | osmo_sinc (float x) |
Unnormalized sinc function. More... | |
static float | osmo_normsqf (float complex c) |
Squared norm of a given complex. More... | |
struct osmo_cxvec * | osmo_cxvec_scale (const struct osmo_cxvec *in, float complex scale, struct osmo_cxvec *out) |
struct osmo_cxvec * | osmo_cxvec_rotate (const struct osmo_cxvec *in, float freq_shift, struct osmo_cxvec *out) |
struct osmo_cxvec * | osmo_cxvec_delay (const struct osmo_cxvec *v, float delay, struct osmo_cxvec *out) |
struct osmo_cxvec * | osmo_cxvec_convolve (const struct osmo_cxvec *f, const struct osmo_cxvec *g, enum osmo_cxvec_conv_type type, struct osmo_cxvec *out) |
struct osmo_cxvec * | osmo_cxvec_correlate (const struct osmo_cxvec *f, const struct osmo_cxvec *g, int g_corr_step, struct osmo_cxvec *out) |
float complex | osmo_cxvec_interpolate_point (const struct osmo_cxvec *cv, float pos) |
int | osmo_cxvec_peaks_scan (const struct osmo_cxvec *cv, int *peaks_idx, int N) |
float | osmo_cxvec_peak_energy_find (const struct osmo_cxvec *cv, int win_size, enum osmo_cxvec_peak_alg alg, float complex *peak_val_p) |
struct osmo_cxvec * | osmo_cxvec_sig_normalize (const struct osmo_cxvec *sig, int decim, float freq_shift, struct osmo_cxvec *out) |
#define M_PIf (3.14159265358979323846264338327f) |
PI value float.
enum osmo_cxvec_conv_type |
enum osmo_cxvec_peak_alg |
struct osmo_cxvec* osmo_cxvec_convolve | ( | const struct osmo_cxvec * | f, |
const struct osmo_cxvec * | g, | ||
enum osmo_cxvec_conv_type | type, | ||
struct osmo_cxvec * | out | ||
) |
struct osmo_cxvec* osmo_cxvec_correlate | ( | const struct osmo_cxvec * | f, |
const struct osmo_cxvec * | g, | ||
int | g_corr_step, | ||
struct osmo_cxvec * | out | ||
) |
struct osmo_cxvec* osmo_cxvec_delay | ( | const struct osmo_cxvec * | v, |
float | delay, | ||
struct osmo_cxvec * | out | ||
) |
float complex osmo_cxvec_interpolate_point | ( | const struct osmo_cxvec * | cv, |
float | pos | ||
) |
float osmo_cxvec_peak_energy_find | ( | const struct osmo_cxvec * | cv, |
int | win_size, | ||
enum osmo_cxvec_peak_alg | alg, | ||
float complex * | peak_val_p | ||
) |
int osmo_cxvec_peaks_scan | ( | const struct osmo_cxvec * | cv, |
int * | peaks_idx, | ||
int | N | ||
) |
struct osmo_cxvec* osmo_cxvec_rotate | ( | const struct osmo_cxvec * | in, |
float | freq_shift, | ||
struct osmo_cxvec * | out | ||
) |
struct osmo_cxvec* osmo_cxvec_scale | ( | const struct osmo_cxvec * | in, |
float complex | scale, | ||
struct osmo_cxvec * | out | ||
) |
struct osmo_cxvec* osmo_cxvec_sig_normalize | ( | const struct osmo_cxvec * | sig, |
int | decim, | ||
float | freq_shift, | ||
struct osmo_cxvec * | out | ||
) |
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inlinestatic |
Squared norm of a given complex.
[in] | c | Complex number for which to compute the squared norm |
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inlinestatic |
Unnormalized sinc function.
[in] | x | Value for which to compute the sinc function. |
The function is defined as