EM Field Head Tracking System specifications - Revision history

Lof: /* Wall coils */

2024-03-21T13:39:33Z

Wall coils

← Older revision		Revision as of 13:39, 21 March 2024
Line 119:		Line 119:

	===Wall coils===		===Wall coils===
	The wall coils make up a cube of about 3 x 3 m around the subject and create low frequency magnetic fields in three orthogonal directions (Frontal, Horizontal, Vertical). The opposite wall coils are paired into one loop that create one field together.		The wall coils make up a cube of about 3 x 3 x 3 m around the subject and create low frequency magnetic fields in three orthogonal directions (Frontal, Horizontal, Vertical). The opposite wall coils are paired into one loop that create one field together.

	Auditory Sphere Lab:		Auditory Sphere Lab:

2024-03-21T13:38:55Z

Wall coils

← Older revision		Revision as of 13:38, 21 March 2024
Line 119:		Line 119:

	===Wall coils===		===Wall coils===
			The wall coils make up a cube of about 3 x 3 m around the subject and create low frequency magnetic fields in three orthogonal directions (Frontal, Horizontal, Vertical). The opposite wall coils are paired into one loop that create one field together.

	Auditory Sphere Lab:		Auditory Sphere Lab:
	*two winding's per coil.		*two winding's per coil.

2024-03-21T13:34:00Z

Wall coils

2024-03-21T13:33:31Z

Wall coils

← Older revision		Revision as of 13:33, 21 March 2024
Line 119:		Line 119:

	===Wall coils===		===Wall coils===
	*Auditory Sphere Lab: two winding's per coil.		Auditory Sphere Lab:
	*Auditory Sphere Lab: resonator circuit.		two winding's per coil.
	*Auditory Motion Lab: two winding's per coil.		resonator circuit.
	*Auditory Motion Lab: resonator circuit.		3 m x 3 m coils
	*Auditory Perception Lab: five winding's per coil
	*Auditory Perception Lab: no resonator circuit.		Auditory Motion Lab:
			two winding's per coil.
			resonator circuit.
			3 m x 3 m coils

			Auditory Perception Lab:
			five winding's per coil
			no resonator circuit.
			2.3 m x 2.8 (2.3) m coils

	===Pick-up coil===		===Pick-up coil===

2024-03-21T13:28:08Z

Wall coils

← Older revision		Revision as of 13:28, 21 March 2024
Line 119:		Line 119:

	===Wall coils===		===Wall coils===
	~~%todo~~		*Auditory Sphere Lab: two winding's per coil.
			*Auditory Sphere Lab: resonator circuit.
			*Auditory Motion Lab: two winding's per coil.
			*Auditory Motion Lab: resonator circuit.
			*Auditory Perception Lab: five winding's per coil
			*Auditory Perception Lab: no resonator circuit.

	===Pick-up coil===		===Pick-up coil===

2024-03-21T13:23:25Z

Pick-up coil

← Older revision		Revision as of 13:23, 21 March 2024
Line 122:		Line 122:

	===Pick-up coil===		===Pick-up coil===
	There are several head mounted pick-up coils. For the		There are several head mounted pick-up coils. For the Auditory Sphere Lab and the Auditory Motion Lab the coils have a flux area of 152 cm2. For the Auditory Perception Lab the flux area is 298 cm2.

	* [[Head coil glasses Auditory Sphere Lab]]		* [[Head coil glasses Auditory Sphere Lab]]

2024-03-21T13:21:15Z

recording device

← Older revision		Revision as of 13:21, 21 March 2024
Line 138:		Line 138:
	</pre>		</pre>

	===~~recording~~ device===		===Recording device===
	The recording of the output of the ADC's is done by either a RA16 Madusa Base Station or a RZ6 Multi I/O processor. The ADC devices are optically linked to the recording device.		The recording of the output of the ADC's is done by either a RA16 Madusa Base Station or a RZ6 Multi I/O processor. The ADC devices are optically linked to the recording device.
	<pre>		<pre>

2024-03-21T13:21:03Z

ADC's

← Older revision		Revision as of 13:21, 21 March 2024
Line 130:		Line 130:

	===ADC's===		===ADC's===
	The signal coming from the output of each Lock-in amplifiers is fed into an ADC. The ADC device is optically linked to the recording device (RA16 or RZ6).		The signal coming from the output of each Lock-in amplifiers is fed into an ADC. The ADC device is optically linked to the recording device (RA16 or RZ6). The range of the ADC's is -10 V to +10 V

	<pre>		<pre>

2024-03-21T13:20:11Z

recording device

← Older revision		Revision as of 13:20, 21 March 2024
Line 141:		Line 141:
	The recording of the output of the ADC's is done by either a RA16 Madusa Base Station or a RZ6 Multi I/O processor. The ADC devices are optically linked to the recording device.		The recording of the output of the ADC's is done by either a RA16 Madusa Base Station or a RZ6 Multi I/O processor. The ADC devices are optically linked to the recording device.
	<pre>		<pre>
	Auditory sphere lab : RA16 on 6103.5 Hz		Auditory sphere lab : RA16 on 6103.5 Hz
	Auditory perception lab: RZ6 on 48828.25 Hz (divide by 10 ??)		Auditory perception lab : RZ6 on 48828.25 Hz (divide by 10 ??)
	Auditory motion lab : RZ6 on 48828.25 Hz (divide by 10 ??)		Auditory motion lab : RZ6 on 48828.25 Hz (divide by 10 ??)
	</pre>		</pre>
	The raw data is saved. For display a 150 Hz low pass filter is used.		The raw data is saved. For display a 150 Hz low pass filter is used.

2024-03-21T13:20:02Z

ADC's

← Older revision		Revision as of 13:20, 21 March 2024
Line 133:		Line 133:

	<pre>		<pre>
	Auditory Sphere Lab : RA16 with RA8GA channels 1, 2 and 3 (system 3 version)		Auditory Sphere Lab : RA16 with RA8GA channels 1, 2 and 3 (system 3 version)
	Auditory Perception Lab: RZ6 with RA8GA channels 1, 2 and 3 (earlier version)		Auditory Perception Lab : RZ6 with RA8GA channels 1, 2 and 3 (earlier version)
	Auditory Motion lab : RZ6 with RA8GA channels 1, 2 and 3 (system 3 version)		Auditory Motion lab : RZ6 with RA8GA channels 1, 2 and 3 (system 3 version)
	</pre>		</pre>