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TT 2019-08-27 22:19:35 +09:00
parent fa1d297f27
commit 48850609fb
1 changed files with 6 additions and 6 deletions
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12
python/nanovna.py
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@ -18,20 +18,20 @@ REF_LEVEL = (1<<9)
# ref1,x = signal.lfilter(b, a, ref, zi = zi) # ref1,x = signal.lfilter(b, a, ref, zi = zi)
# return ref1,samp1 # return ref1,samp1
class NanoVNA(): class NanoVNA:
def __init__(self, dev): def __init__(self, dev):
self.dev = dev self.dev = dev
self.serial = None self.serial = None
self.filter = None #bandpassfilter_5khz self.filter = None # bandpassfilter_5khz
self._frequencies = None self._frequencies = None
self.points = 101 self.points = 101
self.set_sweep(1e6, 300e6) self.set_sweep(1e6, 900e6)
@property @property
def frequencies(self): def frequencies(self):
return self._frequencies return self._frequencies
def set_sweep(self, start = 1e6, stop = 300e6, points = None): def set_sweep(self, start = 1e6, stop = 900e6, points = None):
if points: if points:
self.points = points self.points = points
self._frequencies = np.linspace(start, stop, self.points) self._frequencies = np.linspace(start, stop, self.points)
@ -60,7 +60,7 @@ class NanoVNA():
def set_gain(self, gain): def set_gain(self, gain):
if gain is not None: if gain is not None:
self.send_command("gain %d %d\r" % (gain,gain)) self.send_command("gain %d %d\r" % (gain, gain))
def set_offset(self, offset): def set_offset(self, offset):
if offset is not None: if offset is not None:
@ -118,7 +118,7 @@ class NanoVNA():
for line in data.split('\n'): for line in data.split('\n'):
if line: if line:
x.extend([float(d) for d in line.strip().split(' ')]) x.extend([float(d) for d in line.strip().split(' ')])
return np.array(x[0::2]) + np.array(x[1::2])*1j return np.array(x[0::2]) + np.array(x[1::2]) * 1j
def fetch_gamma(self, freq = None): def fetch_gamma(self, freq = None):
if freq: if freq: