Netcdf dimensions (shear probes): Difference between revisions

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{| class="wikitable"
|-
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! Dimension Name !! Description
! Dimension !! Level || Description
|-
|-
| TIME || The length of the record from turbulence (fast) data channels
| TIME || L1 || length of the record from turbulence (fast) data channels
|-
|-
| TIME_*** <math>^a</math> || length of the record from slow data channels (if different than fast)
| TIME_*** <math>^a</math> || L1 || length of the record from slow data channels (if different from fast)
|-
|-
| TIME_SPECTRA || length of the record of average times of spectral segments. This also equals time of dissipation estimates.
| N_SHEAR_SENSORS || L1 || number of shear channels (shear sensors)
|-
|-
| N_WAVENUMBER || length of the wavenumber array
| N_***_SENSORS <math>^b</math> || L1 || number of *** channel (sensors)
|-
|-
| N_SHEAR_SENSORS || number of shear channel (shear sensors)
| TIME || L2 || length of the record from turbulence (fast) data channels
|-
|-
| N_***_SENSORS <math>^b</math> ||number of *** channel (sensors)
| N_SHEAR_SENSORS || L2 || number of shear channels (shear sensors)
|-
|-
| N_SH_ACC_SPEC <math>^c</math> || number of shear-acceleration cross spectra
| N_***_SENSORS <math>^b</math> || L2 || number of *** channel (sensors)
|-
|-
| N_SH_VIB_SPEC <math>^d</math> || number of shear-vibration cross spectra  
| TIME_SPECTRA || L3 ||  length of the record of average times of spectral segments
|-
| N_WAVENUMBER || L3 || length of the wavenumber array
|-
| N_***_SENSORS <math>^b</math> || L3 || number of *** channel (sensors)
|-
| N_SH_ACC_SPEC <math>^c</math> || L3 || number of shear-acceleration cross spectra
|-
| N_SH_VIB_SPEC <math>^d</math> || L3 || number of shear-vibration cross spectra  
|-
| N_GLOBAL_VALUES <math>^e</math> || L3 || dimension for 1 data point (for the entire analysis)
|-
| TIME_SPECTRA || L4 ||  length of the record of average times of spectral segments
|-
| N_SHEAR_SENSORS || L4 || number of shear channels (shear sensors)
|}
|}
<math>^a</math> Typically we assume TIME for the fast-sampled microstructure channels, and eventually _SLOW or _CTD for slower sampled channels such as CTD and tilt sensors. If the application requires different time stamps for different sensors, this can be utilized like TIME_PITCH, TIME_ACC etc.  
<math>^a</math> Typically TIME is assumed for the fast-sampled microstructure channels. Use, e.g., TIME_SLOW or TIME_CTD for slower sampled channels such as CTD and tilt sensors.  
<br><br>
<br>
<math>^b</math> Please use these examples for related sensors:<br>
<math>^b</math> Example dimension names would be: N_VIB_SENSORS for vibration (piezo-acceleration) sensors, N_ACC_SENSORS for
N_VIB_SENSORS for vibration (piezo-acceleration) sensors <br>
vibration acceleration sensors.
N_ACC_SENSORS for vibration acceleration sensors <br>
N_GRADT_SENSORS for thermistors <br>
N_GRADC_SENSORS for microconductivity sensors  <br>
<br>
<br>
<math>^c</math> number of shear sensors x number of ACC sensors <br>
<math>^c</math> number of shear sensors x number of ACC sensors <br>
<br>
<br>
<math>^d</math> number of shear sensors x number of VIB sensors <br>
<math>^d</math> number of shear sensors x number of VIB sensors <br>
<math>^e</math> Dimension for variables of the size 1x1 for variables such as N_FFT_SEGMENTS and DOF. <br>


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Latest revision as of 20:09, 24 May 2024

Netcdf dimensions (shear probes)


Dimension Level Description
TIME L1 length of the record from turbulence (fast) data channels
TIME_*** [math]\displaystyle{ ^a }[/math] L1 length of the record from slow data channels (if different from fast)
N_SHEAR_SENSORS L1 number of shear channels (shear sensors)
N_***_SENSORS [math]\displaystyle{ ^b }[/math] L1 number of *** channel (sensors)
TIME L2 length of the record from turbulence (fast) data channels
N_SHEAR_SENSORS L2 number of shear channels (shear sensors)
N_***_SENSORS [math]\displaystyle{ ^b }[/math] L2 number of *** channel (sensors)
TIME_SPECTRA L3 length of the record of average times of spectral segments
N_WAVENUMBER L3 length of the wavenumber array
N_***_SENSORS [math]\displaystyle{ ^b }[/math] L3 number of *** channel (sensors)
N_SH_ACC_SPEC [math]\displaystyle{ ^c }[/math] L3 number of shear-acceleration cross spectra
N_SH_VIB_SPEC [math]\displaystyle{ ^d }[/math] L3 number of shear-vibration cross spectra
N_GLOBAL_VALUES [math]\displaystyle{ ^e }[/math] L3 dimension for 1 data point (for the entire analysis)
TIME_SPECTRA L4 length of the record of average times of spectral segments
N_SHEAR_SENSORS L4 number of shear channels (shear sensors)

[math]\displaystyle{ ^a }[/math] Typically TIME is assumed for the fast-sampled microstructure channels. Use, e.g., TIME_SLOW or TIME_CTD for slower sampled channels such as CTD and tilt sensors.
[math]\displaystyle{ ^b }[/math] Example dimension names would be: N_VIB_SENSORS for vibration (piezo-acceleration) sensors, N_ACC_SENSORS for vibration acceleration sensors.
[math]\displaystyle{ ^c }[/math] number of shear sensors x number of ACC sensors

[math]\displaystyle{ ^d }[/math] number of shear sensors x number of VIB sensors

[math]\displaystyle{ ^e }[/math] Dimension for variables of the size 1x1 for variables such as N_FFT_SEGMENTS and DOF.


Go to: Dataset requirements for shear probes

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