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Added 40km simulation and some experiments with balloon data

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dario 2024-04-22 20:00:14 +02:00
parent cadfb29272
commit 8cc7150526
9 changed files with 7038 additions and 1906 deletions
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balloon.ipynb Normal file
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conversion.ipynb
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data/simulations/40km.txt
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data/simulations/40km_Ballistic.txt Normal file
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9
spatz/sensors/pressure/ms5611_01ba03.py
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@ -4,7 +4,7 @@ from numpy.typing import ArrayLike
from spatz.sensors import PressureSensor from spatz.sensors import PressureSensor
from spatz.dataset import Dataset, Phase from spatz.dataset import Dataset, Phase
from spatz.logger import Logger from spatz.logger import Logger
from spatz.transforms import GaussianNoise, Transform from spatz.transforms import GaussianNoise, Transform, ProportionalGaussian
class MS5611_01BA03(PressureSensor): class MS5611_01BA03(PressureSensor):
@ -12,8 +12,9 @@ class MS5611_01BA03(PressureSensor):
super().__init__(dataset, logger, transforms, ts_effects) super().__init__(dataset, logger, transforms, ts_effects)
# Noise model obtained by a test flight using this sensor. # Noise model obtained by a test flight using this sensor.
self.__pad_noise = GaussianNoise(0, 0.03) # self.__pad_noise = GaussianNoise(0, 0.03)
self.__flight_noise = GaussianNoise(0, 1.5) # self.__flight_noise = GaussianNoise(0, 1.5)
self.__noise = ProportionalGaussian(0, 0.0015)
def _get_name(self) -> AnyStr: def _get_name(self) -> AnyStr:
return 'MS5611_01BA03' return 'MS5611_01BA03'
@ -24,7 +25,7 @@ class MS5611_01BA03(PressureSensor):
# Transform from Pa to hPa # Transform from Pa to hPa
x /= 1e2 x /= 1e2
noisy = self.__pad_noise(t, x) if self._dataset.get_phase() == Phase.ONPAD else self.__flight_noise(t, x) noisy = self.__noise(t, x) # self.__pad_noise(t, x) if self._dataset.get_phase() == Phase.ONPAD else self.__flight_noise(t, x)
# Log the noise added to the pressure measurements. # Log the noise added to the pressure measurements.
self._logger.write('noise', noisy - x, domain=self._get_name()) self._logger.write('noise', noisy - x, domain=self._get_name())

2
spatz/transforms/__init__.py
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@ -1,3 +1,3 @@
from spatz.transforms.transform import Transform from spatz.transforms.transform import Transform
from spatz.transforms.noise import GaussianNoise from spatz.transforms.noise import GaussianNoise, ProportionalGaussian
from spatz.transforms.failures import Downtime from spatz.transforms.failures import Downtime

20
spatz/transforms/noise.py
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@ -7,7 +7,7 @@ from spatz.transforms import Transform
class GaussianNoise(Transform): class GaussianNoise(Transform):
def __init__(self, mu: ArrayLike, sigma: ArrayLike) -> None: def __init__(self, mu: ArrayLike = None, sigma: ArrayLike = None) -> None:
super().__init__() super().__init__()
self.__mu = mu self.__mu = mu
@ -15,7 +15,8 @@ class GaussianNoise(Transform):
def __call__(self, _: float, x: ArrayLike) -> ArrayLike: def __call__(self, _: float, x: ArrayLike) -> ArrayLike:
if np.isscalar(x): if np.isscalar(x):
noise = np.random.normal(0, 1) noise = np.random.normal(0, 1)
x += self.__sigma * noise + self.__mu x += self.__sigma * noise + self.__mu
else: else:
dim = len(x) dim = len(x)
@ -36,6 +37,21 @@ class GaussianNoise(Transform):
return x return x
class ProportionalGaussian(Transform):
def __init__(self, mu, sigma) -> None:
super().__init__()
self.__mu = mu
self.__sigma = sigma
def __call__(self, _: float, x: ArrayLike) -> ArrayLike:
noise = np.random.normal(0, 1)
x += (self.__sigma * x) * noise + (self.__mu * x)
return x
class PinkNoise(Transform): class PinkNoise(Transform):
def __init__(self) -> None: def __init__(self) -> None:
super().__init__() super().__init__()