Variable |
Explanation |
x_43m_Lag_5 | The lag for X_43m |
x_43m_NoSpikes_5 | Number of spikes |
x_43m_NoDrops_5 | number of drops (these are
consecutive values that are constant ) |
x_43m_NoSteps_5 | number of relative steps, i.e.
staeps that exceed a given multiple of the local standard deviation
(this routine is in a beta testing stage) |
x_43m_NoAbsSteps_5 | number of absolute steps, ie.e
steps that exceed a certain range (this routine is in a beta testing
stage) |
x_43m_LP_sdev_5 | the low passed standard
deviation (the window for segmentation of the data is to be given in a
configuration file) |
x_43m_min_5 | the absoulte minimum |
x_43m_max_5 | the absoulte maximum |
x_43m_ave_5 | the average |
x_43m_adev_5 | average deviation or mean absolute deviation (numerical recipes in c) |
x_43m_sdev_5 | standard deviation (numerical recipes in c) |
x_43m_var_5 | variance (numerical recipes in c) |
x_43m_skew_5 | skewness (numerical recipes in c) |
x_43m_curt_5 | kurtosis (numerical recipes in c) |
x_43m_a_5* | slope of the linear regression with time (numerical recipes in c) |
x_43m_b_5* | offset of the linear regression
with time |
x_43m_siga_5* | standard error of a |
x_43m_sigb_5* | standard error of b |
x_43m_chi2_5* | chi squared of the residuals |
x_43m_rsqr_5* | squared correlation coeffcient |
theta_5 | vertical rotation angle in
degrees |
phi_5 |
azimuth (mathematical coordinate
system) |
u_123_5 |
wind speed |
u_12_5 |
horizontal wind speed |
windir |
horisontal wind direction
(meteorological coordinate system) |
Variable |
Explanation |
Lag_CovMax_CO2_ppm | The time lag in samples at
maximum covariance for the first of the sensors, for which covariance
maximisation is requestet |
CovMax_CO2_ppm | the maximum covariance |
LagFlag_CO2_ppm | a flag 1 is no maximum was found
within the window, otherwise 0 |
Lag_CovMax_H2O_pm | The time lag in samples at maximum covariance for the second sensors, for which covariance maximisation is requestet |
CovMax_H2O_pm | the maximum covariance |
LagFlag_H2O_pm | a flag 1 is no maximum was found within the window, otherwise 0 |
L50_CO2_ppm | the first lagged covariance sensor one |
... | |
L150_CO2_ppm | the last lagged covariance sensor one |
L50_H2O_pm | the first lagged covariance sensor two |
... | |
L200_H2O_pm | the last lagged covariance sensor two |
... |
Variable |
Explanation |
QF_m_x_43m |
quality flag (1-9) according to
Foken et al. (2003) for Sens 1 |
m0_x_43m | mean of Sens1 the 1st 5 minute
data |
m1_x_43m | mean of Sens1 of the 2nd 5 minute data |
m2_x_43m | mean of Sens1 of the 3rd 5 minute data |
m3_x_43m | mean of Sens1 of the 4th 5 minute data |
m4_x_43m | mean of Sens1 of the 5th 5 minute data |
m5_x_43m | mean of Sens1 of the 6th 5 minute data |
QF_c_x_43m |
quality flag (1-9) according to Foken et al. (2003) |
c0_x_43m_z_43m | covariance of Sens1 with the vertical wind velocity of the 1st 5 minute data |
c1_x_43m_z_43m | covariance of Sens1 with the vertical wind velocity of the 2nd 5 minute data |
c2_x_43m_z_43m | covariance of Sens1 with the vertical wind velocity of the 3rd 5 minute data |
c3_x_43m_z_43m | covariance of Sens1 with the vertical wind velocity of the 4th 5 minute data |
c4_x_43m_z_43m | covariance of Sens1 with the vertical wind velocity of the 5th 5 minute data |
c5_x_43m_z_43m | covariance of Sens1 with the vertical wind velocity of the 6th 5 minute data |
... |
quality flag (1-9) according to Foken et al. (2003) for Sens 2 |
Variable |
Explanation |
f |
Frequency, i.e. the average of
the natural frequency for each of the currently 50 frequency bins in Hz |
Blockanfang |
Number of frequencies, where a
new bin starts. |
f_x_x |
Power spectrum of the sensor x
multiplied with the frequency. I.e. the bin average of the product of
spectral density and the number of the frequency ranging from 1
to the number of observations / 2. |
... |
|
f_x_z |
Cross-spectral density of the sensor x with z multiplied with the frequency. I.e. the bin average of the product of cross-spectral density and the number of the frequency ranging from 1 to the number of observations / 2. |
... |
|
x_x |
Power spectral density of the sensor x |
... |
|
x_z |
Cross-spectral density of the sensor x |