Table 9. Joystick multimodal frequency analysis.

	FFT accelerometer y axis (Hz)	Magnitude dominant y axis frequency	FFT Joystick digital y axis (Hz)	Frequency digital peak count (Hz)	Weighted average (x, y) jerk vector	Analogue velocity (x, y) vector smoothness	Digital velocity (x, y) vector smoothness
1	3.523	0.247	3.197	3.619	0.296	0.081	0.159
2	6.016	3.048	5.908	6.471	2.619	0.121	0.715
3	4.715	0.488	4.661	4.920	0.586	0.082	0.219
4	3.957	5.981	3.957	4.861	4.440	0.205	1.418
5	3.957	4.841	4.282	4.486	2.129	0.136	0.865
6	3.360	9.117	3.36	3.842	3.724	0.217	1.613
7	4.390	3.619	4.39	5.050	2.118	0.130	0.800
8	8.618	0.599	7.859	6.767	1.130	0.077	0.198
9	4.471	1.738	4.444	4.971	1.333	0.093	0.447
10	6.178	3.802	5.85	5.366	5.767	0.204	1.341
11	4.498	3.469	4.498	5.218	4.166	0.177	0.996
12	4.336	0.191	4.336	3.558	0.361	0.082	0.157
13	4.878	0.242	4.878	2.521	0.312	0.080	0.150
14	4.444	0.810	4.444	4.817	0.445	0.083	0.184
15	3.144	1.438	3.144	4.999	0.715	0.082	0.262
16	6.585	0.316	6.097	3.650	4.042	0.245	1.951