date = datetime.datetime.today().strftime('%Y-%m-%d')
file_path = "data\CSHE-Switching\{samp:}\{samp:}-SearchReset_{date:}.h5".format(
samp=sample_name, date=date)
exp = ResetSearchExperiment()
exp.field.value = 0.007
exp.duration.value = 5e-9
exp.measure_current = 3e-6
amps = np.linspace(-0.95, 0.95, 75)
amps = np.append(amps, np.flipud(amps))
exp.amplitudes = amps
exp.init_streams()
wr = WriteToHDF5(file_path)
avg_sample = Averager('sample')
fig1 = Plotter(name="Sample Averaged", plot_dims=1)
edges = [(exp.voltage, avg_sample.sink),
(avg_sample.final_average, wr.sink),
(avg_sample.partial_average, fig1.sink)]
exp.set_graph(edges)
exp.init_progressbar(num=1)
exp.run_sweeps()
with h5py.File(wr.filename) as f:
amps = f['amplitude'].value[:]
reps = f['repeat'].value[:]
Vs = f['data'].value['voltage'][:]
Vs = Vs.reshape(reps.size, amps.size)
Vs = Vs > (0.5 * (Vs.max() + Vs.min()))
Vs = 2 * Vs - 1
async def run(self):
"""This is run for each step in a sweep."""
await asyncio.sleep(self.delay)
await self.resistance.push(self.res_reference /
((self.lock.amp / self.lock.mag) - 1.0))
def shutdown_instruments(self):
self.mag.zero()
self.lock.amp = 0
if __name__ == '__main__':
sample_name = "Hypress_3_2_COSTM3"
date = datetime.datetime.today().strftime('%Y-%m-%d')
file_path = "data\CRAM01\{samp:}\{samp:}-FieldSwitch_{date:}.h5".format(
samp=sample_name, date=date)
exp = FieldSwitchingLockinExperiment()
wr = WriteToHDF5(file_path)
plt = Plotter()
edges = [(exp.resistance, wr.sink), (exp.resistance, plt.sink)]
exp.set_graph(edges)
fields = np.linspace(-0.4, 0.4, 200)
fields = np.append(fields, np.flipud(fields))
main_sweep = exp.add_sweep(exp.field, fields)
exp.run_sweeps()
logger.info("Stream has filled {} of {} points".format(
self.voltage.points_taken, self.voltage.num_points()))
def shutdown_instruments(self):
self.awg.output = False
self.arb.stop()
self.loop.remove_reader(self.alz.get_socket(self.ch))
for name, instr in self._instruments.items():
instr.disconnect()
if __name__ == '__main__':
exp = nTronSwitchingExperiment()
plot = Plotter(name="Demod!", plot_mode="real", plot_dims=2)
plot_ki = Plotter(name="Ki!", plot_mode="real", plot_dims=2)
plot_avg = Plotter(name="Avg!", plot_mode="real")
plot_raw1 = Plotter(name="Raw!", plot_mode="real", plot_dims=1)
plot_raw2 = Plotter(name="Raw!", plot_mode="real", plot_dims=2)
demod = Channelizer(frequency=exp.measure_frequency,
decimation_factor=4,
bandwidth=20e6)
ki = KernelIntegrator(kernel=0,
bias=0,
simple_kernel=True,
box_car_start=1e-7,
box_car_stop=3.8e-7,
frequency=0.0)
avg = Averager(axis="attempt")