1 | | This is the number of peaks. | |
2 | | This is the amplitude of the first echo peak. | |
3 | | This is the amplitude of the second echo peak. When only two echo signals are detected, this parameter is 0. | |
4 | | This is the amplitude of the last echo peak. When only one echo signal is detected, this parameter is 0. | |
5 | | This is the time of the first echo peak. | |
6 | | This is the time of the second echo peak. When only two echo signals are detected, this parameter is 0. | |
7 | | This is the time of the last echo peak. When only one echo signal is detected, this parameter is 0. | |
8 | FWHM | This is the full-width at half-maximum of the first echo. | |
9 | | This is the variance of the first echo. | |
10 | | This is the energy of the first echo. | |
11 | | This is the energy of the last echo. When only one echo signal is detected, this parameter is 0. | |
12 | | This is the kurtosis of the first echo. | |
13 | | This is the kurtosis of the last echo. When only one echo signal is detected, this parameter is 0. | |
14 | | This is the root mean square of the first echo. | |
15 | | This is the form factor of the first echo. | |
16 | | This is the form factor of the last echo. | |
17 | | This is the crest factor of the first echo. | |
18 | | This is the impulse factor of the first echo. | |
19 | | This is the margin of the first echo. | |
20 | | This is the skewness of the first echo. | |
21 | | This is the skewness of the last echo. | |
22 | | This is the pulse area of the first echo. | |
23 | | This is the pulse area of the last echo. | |
24 | | This is the left side of the first return waveform, which consists of all points that lie between the first element of the first-return signal and its maximum. | |
25 | | This is the right side of the first-return waveform, which consists of all points that lie between the first element of the first-return signal and its maximum. | |
26 | | This is the deviation between and | |
27 | | This is the ratio of the width to the height of the left waveform of the first echo. | |
28 | | This is the ratio of the width to the height of the right waveform of the first echo. | |
29 | | This is the percentage of waveforms exceeding a certain amplitude threshold. | |
30 | | This is the amplitude deviation of the first and last echo. | |
31 | | This is the time interval between first and last echo. | |
32 | | This is the ratio of the amplitude of the first and last echo. | |
33 | | This is the amplitude deviation of the first and second echo. When only two echo signals are detected, this parameter is 0. | |
34 | | This is the time interval between first and second echo. When only two echo signals are detected, this parameter is 0. | |
35 | | This is the ratio of the amplitude of the first and second echo. When only two echo signals are detected, this parameter is 0. | |
36 | Nose | This is the mean value of environmental noise. | |
37 | Nose-st | This is the standard deviation of environmental noise. | |
38 | Length | This is the duration of the signal higher than ambient noise. | |