Analysis Date 17-Jul-2011

Subject Analysis Report

1 Device and Recording Information

This is a draft report of a general-purpose analysis. This version assumes that a button was used to markthe beginning and end of an analysis period of interest.

APDM Analysis Report 2 of 9

2 Time Domain Plots in the Sensor Frame

2.1 Accelerometers

2.1.1 Device 1

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Acc

eler

omet

ers

x−ax

is (

m/s2 )

(a) x-axis of Accelerometers

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Acc

eler

omet

ers

y−ax

is (

m/s2 )

(b) y-axis of Accelerometers

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Acc

eler

omet

ers

z−ax

is (

m/s2 )

(c) z-axis of Accelerometers

Figure 1: Time Domain Plots in the Sensor Frame of the accelerometers while the monitor. Plot of the timedomain data.

APDM Analysis Report 3 of 9

2.1.2 Device 2

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Acc

eler

omet

ers

x−ax

is (

m/s2 )

(a) x-axis of Accelerometers

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Acc

eler

omet

ers

y−ax

is (

m/s2 )

(b) y-axis of Accelerometers

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Acc

eler

omet

ers

z−ax

is (

m/s2 )

(c) z-axis of Accelerometers

Figure 2: Time Domain Plots in the Sensor Frame of the accelerometers while the monitor. Plot of the timedomain data.

APDM Analysis Report 4 of 9

2.2 Gyroscopes

2.2.1 Device 1

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Gyr

osco

pes

x−ax

is (

rad/

s)

(a) x-axis of Gyroscopes

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Gyr

osco

pes

y−ax

is (

rad/

s)

(b) y-axis of Gyroscopes

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Gyr

osco

pes

z−ax

is (

rad/

s)

(c) z-axis of Gyroscopes

Figure 3: Time Domain Plots in the Sensor Frame of the gyroscopes while the monitor. Plot of the timedomain data.

APDM Analysis Report 5 of 9

2.2.2 Device 2

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Gyr

osco

pes

x−ax

is (

rad/

s)

(a) x-axis of Gyroscopes

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Gyr

osco

pes

y−ax

is (

rad/

s)

(b) y-axis of Gyroscopes

50 100 150 200 250−30

−20

−10

0

10

20

30

Time (s)

Gyr

osco

pes

z−ax

is (

rad/

s)

(c) z-axis of Gyroscopes

Figure 4: Time Domain Plots in the Sensor Frame of the gyroscopes while the monitor. Plot of the timedomain data.

APDM Analysis Report 6 of 9

2.3 Magnetometers

2.3.1 Device 1

50 100 150 200 250

−60

−40

−20

0

20

40

60

Time (s)

Mag

neto

met

ers

x−ax

is (µT

)

(a) x-axis of Magnetometers

50 100 150 200 250

−60

−40

−20

0

20

40

60

Time (s)

Mag

neto

met

ers

y−ax

is (µT

)

(b) y-axis of Magnetometers

50 100 150 200 250

−60

−40

−20

0

20

40

60

Time (s)

Mag

neto

met

ers

z−ax

is (µT

)

(c) z-axis of Magnetometers

Figure 5: Time Domain Plots in the Sensor Frame of the magnetometers while the monitor. Plot of the timedomain data.

APDM Analysis Report 7 of 9

2.3.2 Device 2

50 100 150 200 250

−60

−40

−20

0

20

40

60

Time (s)

Mag

neto

met

ers

x−ax

is (µT

)

(a) x-axis of Magnetometers

50 100 150 200 250

−60

−40

−20

0

20

40

60

Time (s)

Mag

neto

met

ers

y−ax

is (µT

)

(b) y-axis of Magnetometers

50 100 150 200 250

−60

−40

−20

0

20

40

60

Time (s)

Mag

neto

met

ers

z−ax

is (µT

)

(c) z-axis of Magnetometers

Figure 6: Time Domain Plots in the Sensor Frame of the magnetometers while the monitor. Plot of the timedomain data.

APDM Analysis Report 8 of 9

3 Segment Analysis

3.1 Segment 1

3.1.1 Device 1

120 130 140 150 160 170 180 190 200

−5

−4

−3

−2

−1

0

1

2

3

Time (s)

Sig

nal (

rad/

s)

(a) Time Domain

0 5 10 150

50

100

150

200

250

300

350

Frequency (Hz)

Pow

er S

pect

ral D

ensi

ty

(b) Frequency Domain (Linear Scale)

Time (s)

Freq

uenc

y (H

z)

10 20 30 40 50 60 70 800

2

4

6

8

10

(c) Time-Frequency Domain

Figure 7: Analysis of the principal component of the gyroscopes signals. The power spectral density wasestimated with the Blackman-Tukey method and a 5.0 autocorrelation window duration.

APDM Analysis Report 9 of 9

3.1.2 Device 2

120 130 140 150 160 170 180 190 200

−4

−3

−2

−1

0

1

2

3

4

Time (s)

Sig

nal (

rad/

s)

(a) Time Domain

0 5 10 150

50

100

150

200

250

300

350

Frequency (Hz)

Pow

er S

pect

ral D

ensi

ty

(b) Frequency Domain (Linear Scale)

Time (s)

Freq

uenc

y (H

z)

10 20 30 40 50 60 70 800

2

4

6

8

10

(c) Time-Frequency Domain

Figure 8: Analysis of the principal component of the gyroscopes signals. The power spectral density wasestimated with the Blackman-Tukey method and a 5.0 autocorrelation window duration.