Link budgets¶

Channel capacity¶

sdr.bsc_capacity(p: ArrayLike) → ndarray

Calculates the capacity of a binary symmetric channel (BSC).

sdr.bec_capacity(p: ArrayLike) → ndarray

Calculates the capacity of a binary erasure channel (BEC).

sdr.awgn_capacity(snr: ArrayLike, ...) → ndarray

Calculates the capacity of an additive white Gaussian noise (AWGN) channel.

Path losses¶

sdr.fspl(d: ArrayLike, f: ArrayLike) → ndarray

Calculates the free-space path loss (FSPL) in dB.

Antennas¶

sdr.wavelength(freq: float) → float

Calculates the wavelength \(\lambda\) of a electromagnetic wave with frequency \(f\).

sdr.parabolic_antenna(freq, ...) → tuple[ArrayLike, ArrayLike]

Calculates the gain \(G\) and beamwidth \(\theta\) of a parabolic reflector.