Preparing quality-controlled velocities: Difference between revisions
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After the raw velocities are quality-controlled and optionally despiked, velocities must be further processed before analysing the turbulence spectra. The main steps to prepare the quality-controlled velocities for turbulence analysis are the following: | After the raw velocities are quality-controlled and optionally despiked, velocities must be further processed before analysing the turbulence spectra. The main steps to prepare the quality-controlled velocities for turbulence analysis are the following: | ||
# [[Replacement strategies for missing velocities | Replace missing samples]] discarded during quality-control | |||
# [[Segmenting datasets]] | # [[Segmenting datasets]] | ||
# [[Rotation of the velocity measurements|Rotate the measurements]] | # [[Rotation of the velocity measurements|Rotate the measurements]] | ||
# [[Decomposing velocity measurements|Decompose the velocities]] into the mean, turbulence and surface waves component | # [[Decomposing velocity measurements|Decompose the velocities]] into the mean, turbulence, and surface waves component | ||
When measuring velocities continuously or in long [[Burst sampling|bursts]], some individuals may also [[Detrending time series|detrend the time series]] before beginning any of these processing steps. | When measuring velocities continuously or in long [[Burst sampling|bursts]], some individuals may also [[Detrending time series|detrend the time series]] before beginning any of these processing steps. | ||
Revision as of 23:37, 3 July 2022
After the raw velocities are quality-controlled and optionally despiked, velocities must be further processed before analysing the turbulence spectra. The main steps to prepare the quality-controlled velocities for turbulence analysis are the following:
- Replace missing samples discarded during quality-control
- Segmenting datasets
- Rotate the measurements
- Decompose the velocities into the mean, turbulence, and surface waves component
When measuring velocities continuously or in long bursts, some individuals may also detrend the time series before beginning any of these processing steps.
Return to Data processing of raw measurements
Continue to Spectral estimates and identifying the inertial subrange
