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Update home
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Sep 18, 2020
by
Wei Changfeng
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@@ -81,8 +81,7 @@ In the plot, h_cross looks like a straight line, but it s correct. This is becau
## (6)VItamin
Run VItamin with test waveform provided by VItamin documentation:
https://hagabbar.github.io/vitamin_b/quickstart.html
In the page above I can't tell the information of waveforms:

Plot them :


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@@ -91,39 +90,54 @@ Plot them :
There are 4 corner plots due to 4 test data files.

mass_1=72.5678967
mass_2=39.7158247
luminosity_distance=1818.14522
geocent_time=0.228755910
theta_jn=4.67871413
ra=1.59060244
dec=1.13254678
> mass_1=72.5678967
> mass_2=39.7158247
> luminosity_distance=1818.14522
> geocent_time=0.228755910
> theta_jn=1.59060244
> ra=2.25761658
> dec=0.220253249
Basically, we can see that:
mass_1 is estimated much lower than real value.
distance is much higher.
ra has 2 peak, the left one is good, but the right one is higher.
dec can't be estimated clearly to the real value = 0.22

mass_1=
mass_2=
luminosity_distance=
geocent_time=
theta_jn=
ra=
dec=
> mass_1=79.5055181
> mass_2=59.7295127
> luminosity_distance=1326.64890
> geocent_time=0.159704400
> theta_jn=0.694929922
> ra=2.79268421
> dec=-0.0544109042
Basically, we can see that:
mass_1 is estimated a bit lower than real value.
mass_2 is estimated a bit higher.
ra is estimated a bit lower.

mass_1=
mass_2=
luminosity_distance=
geocent_time=
theta_jn=
ra=
dec=
> mass_1=70.2724558
> mass_2=63.5675168
> luminosity_distance=1881.73441
> geocent_time=0.158573090
> theta_jn=2.54178566
> ra=1.96712040
> dec=1.06435185
This one almost has a wonderful estimation. Just dec is estimated a bit higher.

mass_1=
mass_2=
luminosity_distance=
geocent_time=
theta_jn=
ra=
dec=
> mass_1=67.7930585
> mass_2=50.8160513
> luminosity_distance=1493.29876
> geocent_time=0.291206202
> theta_jn=1.06098206
> ra=4.05618476
> dec=-0.171642340
Basically, we can see that:
mass_1 is estimated a bit lower than real value.
distance is much higher.
# 2.Data
## (1)Korean merger wavform
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@@ -136,10 +150,12 @@ dec=
## (2)Hunter’s BBH waveform generated from Bilby.
"data_0.h5py"
> Scaled waveforms (~10^-24-10^-23)
> The hdf5 file has
four
directories: snrs, y_data_noisefree, y_data_noisy and rand_pars.
> The hdf5 file has
4+
directories: snrs, y_data_noisefree, y_data_noisy and rand_pars.
> snrs == A list containing the optimal SNR of each waveform at each observatory (e.g. H1, L1 and V1 ... in that order).
> y_data_noisy == The noisy waveform at each observatory with dimension (number of detectors, sampling frequency * duration).
> y_data_noisefree == The noisefree waveform at each observatory with dimension (number of detectors, sampling frequency * duration).
The parameter values are contained in the key 'x_data', where the values are in the following order:
['mass_1','mass_2','luminosity_distance','geocent_time','phase','theta_jn','psi','ra','dec']
# 3.Code
## (1)Adjust BBH waveform's amplitude the same to Korean waveform's
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