From f409d342c5a314f4aa35382bbdd8daa3882172d1 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Wed, 12 Dec 2018 10:56:33 +0100 Subject: Improve DPD calibration --- python/dpd/Measure.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'python/dpd/Measure.py') diff --git a/python/dpd/Measure.py b/python/dpd/Measure.py index eb3c199..e5a72c7 100644 --- a/python/dpd/Measure.py +++ b/python/dpd/Measure.py @@ -90,6 +90,26 @@ class Measure: return txframe, tx_ts, rxframe, rx_ts + def get_samples_unaligned(self, short=False): + """Connect to ODR-DabMod, retrieve TX and RX samples, load + into numpy arrays, and return a tuple + (txframe, tx_ts, rxframe, rx_ts, rx_median, tx_median) + """ + + n_samps = int(self.num_samples_to_request / 4) if short else self.num_samples_to_request + txframe, tx_ts, rxframe, rx_ts = self.receive_tcp(n_samps) + + # Normalize received signal with sent signal + rx_median = np.median(np.abs(rxframe)) + tx_median = np.median(np.abs(txframe)) + rxframe = rxframe / rx_median * tx_median + + + logging.info( + "Measurement done, tx %d %s, rx %d %s" % + (len(txframe), txframe.dtype, len(rxframe), rxframe.dtype)) + + return txframe, tx_ts, rxframe, rx_ts, rx_median, tx_median def get_samples(self, short=False): """Connect to ODR-DabMod, retrieve TX and RX samples, load -- cgit v1.2.3