Struct ZISpectrumHeader

• Defined in File ziAPI.h

struct ZISpectrumHeader

Public Members

uint64_t sampleCount

Total sample count considered for spectrum.

uint8_t flags

Flags Bit 0: Power Bit 1: Spectral density Bit 2: Absolute frequency Bit 3: Full span.

uint8_t sampleFormat

Sample format Demodulator = 0.

uint8_t spectrumMode

Spectrum mode FFT(x+iy) = 0, FFT(r) = 1, FFT(theta) = 2, FFT(freq) = 3, FFT(dtheta/dt)/2pi = 4.

uint8_t window

Window Rectangular = 0, Hann = 1, Hamming = 2, Blackman Harris = 3, Exponential = 16 (ring-down), Cosine = 17 (ring-down), Cosine squared = 18 (ring-down)

uint8_t reserved0[4]

Reserved space for future use.

uint8_t reserved1[8]

Reserved space for future use.

double bandwidth

Filter bandwidth.

double rate

Rate of the sampled data.

double center

FFT center value.

double resolution

FFT bin resolution.

double aliasingReject

Aliasing reject (dB)

double nenbw

Correction factor for the used window when calculating spectral density.

double overlap

FFT overlap [0 .. 1[.