b1rms# torchsim.utils.b1rms(duration, rf_envelope, rescale=False)[source]# Compute root-mean-squared B1 for a given RF pulse. Parameters: duration (float) – RF pulse duration in [s]. rf_envelope (npt.ArrayLike) – RF waveform temporal envelope in [T]. rescale (bool, optional) – If True, rescale pulse to compute B1 rms for a 1 [rad] pulse. The default is False. Returns: B1 rms for the input RF pulse. Return type: float