From 61c54741186f33b9310d313b250943e8e1a11b63 Mon Sep 17 00:00:00 2001 From: "Robert J. Ennis" Date: Tue, 6 Aug 2024 06:28:00 +0200 Subject: [PATCH 1/2] Clarify units of g-force for accelerometer --- neon/data-collection/data-format/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/neon/data-collection/data-format/index.md b/neon/data-collection/data-format/index.md index 90387eb0b..94145167c 100644 --- a/neon/data-collection/data-format/index.md +++ b/neon/data-collection/data-format/index.md @@ -165,7 +165,7 @@ This file contains data recorded by the integrated [IMU](/data-collection/data-s | **recording id** | Unique identifier of the recording this sample belongs to. | | **timestamp [ns]** | UTC timestamp in nanoseconds of the sample. | | **gyro x [deg/s]**
**gyro y [deg/s]**
**gyro z [deg/s]** | Rotation speed around x, y or z-axis respectively in degrees/s. | -| **acceleration x [G]**
**acceleration y [G]**
**acceleration z [G]** | Translational acceleration along the x, y or z-axis respectively in G. Note `1 G = 9.80665 m/s^2`.| +| **acceleration x [g]**
**acceleration y [g]**
**acceleration z [g]** | Translational acceleration along the x, y or z-axis respectively in units of [g-force](https://en.m.wikipedia.org/wiki/G-force). Note `1 g-force = 9.80665 m/s^2`.| | **roll [deg]** | Drift-free estimate of the roll (head tilt from side to side) in degrees. The output range is -180 to +180 degrees. Added in version 2 of this enrichment. | | **pitch [deg]** | Drift-free estimate of the pitch (head tilt from front to back) in degrees. The output range is -90 to +90 degrees. Added in version 2 of this enrichment. | | **yaw [deg]** | Drift-free estimate of the yaw (horizontal head rotation) in degrees. The output range is -180 to +180 degrees. Added in version 2 of this enrichment. | From c40a22fec3d4ae34d820ebc15d4e9ced5a0f2cb3 Mon Sep 17 00:00:00 2001 From: "Robert J. Ennis" Date: Tue, 6 Aug 2024 09:57:41 +0200 Subject: [PATCH 2/2] =?UTF-8?q?Don=E2=80=99t=20confuse=20a=20unit=20of=20g?= =?UTF-8?q?=20with=20total=20g-force?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- neon/data-collection/data-format/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/neon/data-collection/data-format/index.md b/neon/data-collection/data-format/index.md index 94145167c..a7a1bbb1e 100644 --- a/neon/data-collection/data-format/index.md +++ b/neon/data-collection/data-format/index.md @@ -165,7 +165,7 @@ This file contains data recorded by the integrated [IMU](/data-collection/data-s | **recording id** | Unique identifier of the recording this sample belongs to. | | **timestamp [ns]** | UTC timestamp in nanoseconds of the sample. | | **gyro x [deg/s]**
**gyro y [deg/s]**
**gyro z [deg/s]** | Rotation speed around x, y or z-axis respectively in degrees/s. | -| **acceleration x [g]**
**acceleration y [g]**
**acceleration z [g]** | Translational acceleration along the x, y or z-axis respectively in units of [g-force](https://en.m.wikipedia.org/wiki/G-force). Note `1 g-force = 9.80665 m/s^2`.| +| **acceleration x [g]**
**acceleration y [g]**
**acceleration z [g]** | Translational acceleration (in terms of [g-force](https://en.m.wikipedia.org/wiki/G-force)) along the x, y or z-axis respectively. Note `1 g = 9.80665 m/s^2`.| | **roll [deg]** | Drift-free estimate of the roll (head tilt from side to side) in degrees. The output range is -180 to +180 degrees. Added in version 2 of this enrichment. | | **pitch [deg]** | Drift-free estimate of the pitch (head tilt from front to back) in degrees. The output range is -90 to +90 degrees. Added in version 2 of this enrichment. | | **yaw [deg]** | Drift-free estimate of the yaw (horizontal head rotation) in degrees. The output range is -180 to +180 degrees. Added in version 2 of this enrichment. |