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markmikkelsen authored Aug 29, 2024
2 parents 294d1c4 + 77ad779 commit cff4b86
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13 changes: 9 additions & 4 deletions src/appendices/qmri.md
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Expand Up @@ -607,10 +607,15 @@ The nominal FA value of the SE pulse is twice this value.
Note that the following metadata fields MUST be defined in the accompanying JSON
files:

| **Field name** | **Definition** |
| ------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------- |
| `TotalReadoutTime` | The effective readout length defined as `EffectiveEchoSpacing * PEReconMatrix`, with `EffectiveEchoSpacing = TrueEchoSpacing / PEacceleration` |
| `MixingTime` | Time interval between the SE and STE pulses |
<!-- This block generates a metadata table.
These tables are defined in
src/schema/rules/sidecars
The definitions of the fields specified in these tables may be found in
src/schema/objects/metadata.yaml
A guide for using macros can be found at
https://github.com/bids-standard/bids-specification/blob/master/macros_doc.md
-->
{{ MACROS___make_sidecar_table("fmap.TB1EPI") }}

To properly identify constituents of this particular method, values of the `echo`
entity MUST index the images as follows:
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69 changes: 45 additions & 24 deletions src/appendices/units.md
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Expand Up @@ -83,30 +83,51 @@ Examples for CMIXF-12 (including the five unicode symbols mentioned above):

### Multiples

| **Prefix name** | **Prefix symbol** | **Factor** |
| ------------------------------------------- | ----------------- | --------------- |
| [deca](https://www.wikiwand.com/en/Deca-) | da | 10<sup>1</sup> |
| [hecto](https://www.wikiwand.com/en/Hecto-) | h | 10<sup>2</sup> |
| [kilo](https://www.wikiwand.com/en/Kilo-) | k | 10<sup>3</sup> |
| [mega](https://www.wikiwand.com/en/Mega-) | M | 10<sup>6</sup> |
| [giga](https://www.wikiwand.com/en/Giga-) | G | 10<sup>9</sup> |
| [tera](https://www.wikiwand.com/en/Tera-) | T | 10<sup>12</sup> |
| [peta](https://www.wikiwand.com/en/Peta-) | P | 10<sup>15</sup> |
| [exa](https://www.wikiwand.com/en/Exa-) | E | 10<sup>18</sup> |
| [zetta](https://www.wikiwand.com/en/Zetta-) | Z | 10<sup>21</sup> |
| [yotta](https://www.wikiwand.com/en/Yotta-) | Y | 10<sup>24</sup> |
| **Prefix name** | **Prefix symbol** | **Factor** |
| --------------- | ----------------- | --------------- |
| [deca][] | da | 10<sup>1</sup> |
| [hecto][] | h | 10<sup>2</sup> |
| [kilo][] | k | 10<sup>3</sup> |
| [mega][] | M | 10<sup>6</sup> |
| [giga][] | G | 10<sup>9</sup> |
| [tera][] | T | 10<sup>12</sup> |
| [peta][] | P | 10<sup>15</sup> |
| [exa][] | E | 10<sup>18</sup> |
| [zetta][] | Z | 10<sup>21</sup> |
| [yotta][] | Y | 10<sup>24</sup> |

### Submultiples

| **Prefix name** | **Prefix symbol** | **Factor** |
| ------------------------------------------- | ----------------- | ---------------- |
| [deci](https://www.wikiwand.com/en/Deci-) | d | 10<sup>-1</sup> |
| [centi](https://www.wikiwand.com/en/Centi-) | c | 10<sup>-2</sup> |
| [milli](https://www.wikiwand.com/en/Milli-) | m | 10<sup>-3</sup> |
| [micro](https://www.wikiwand.com/en/Micro-) | u | 10<sup>-6</sup> |
| [nano](https://www.wikiwand.com/en/Nano-) | n | 10<sup>-9</sup> |
| [pico](https://www.wikiwand.com/en/Pico-) | p | 10<sup>-12</sup> |
| [femto](https://www.wikiwand.com/en/Femto-) | f | 10<sup>-15</sup> |
| [atto](https://www.wikiwand.com/en/Atto-) | a | 10<sup>-18</sup> |
| [zepto](https://www.wikiwand.com/en/Zepto-) | z | 10<sup>-21</sup> |
| [yocto](https://www.wikiwand.com/en/Yocto-) | y | 10<sup>-24</sup> |
| **Prefix name** | **Prefix symbol** | **Factor** |
| --------------- | ----------------- | ---------------- |
| [deci][] | d | 10<sup>-1</sup> |
| [centi][] | c | 10<sup>-2</sup> |
| [milli][] | m | 10<sup>-3</sup> |
| [micro][] | u | 10<sup>-6</sup> |
| [nano][] | n | 10<sup>-9</sup> |
| [pico][] | p | 10<sup>-12</sup> |
| [femto][] | f | 10<sup>-15</sup> |
| [atto][] | a | 10<sup>-18</sup> |
| [zepto][] | z | 10<sup>-21</sup> |
| [yocto][] | y | 10<sup>-24</sup> |

[deca]: https://en.wikipedia.org/wiki/Deca-
[hecto]: https://en.wikipedia.org/wiki/Hecto-
[kilo]: https://en.wikipedia.org/wiki/Kilo-
[mega]: https://en.wikipedia.org/wiki/Mega-
[giga]: https://en.wikipedia.org/wiki/Giga-
[tera]: https://en.wikipedia.org/wiki/Tera-
[peta]: https://en.wikipedia.org/wiki/Peta-
[exa]: https://en.wikipedia.org/wiki/Exa-
[zetta]: https://en.wikipedia.org/wiki/Zetta-
[yotta]: https://en.wikipedia.org/wiki/Yotta-
[deci]: https://en.wikipedia.org/wiki/Deci-
[centi]: https://en.wikipedia.org/wiki/Centi-
[milli]: https://en.wikipedia.org/wiki/Milli-
[micro]: https://en.wikipedia.org/wiki/Micro-
[nano]: https://en.wikipedia.org/wiki/Nano-
[pico]: https://en.wikipedia.org/wiki/Pico-
[femto]: https://en.wikipedia.org/wiki/Femto-
[atto]: https://en.wikipedia.org/wiki/Atto-
[zepto]: https://en.wikipedia.org/wiki/Zepto-
[yocto]: https://en.wikipedia.org/wiki/Yocto-
2 changes: 1 addition & 1 deletion src/schema/rules/checks/func.yaml
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Expand Up @@ -101,7 +101,7 @@ RepetitionTimeAcquisitionDurationMutex:
(RepetitionTime - AcquisitionDuration).
level: error
selectors:
- type(sidecar.AcquistionDuration) != "null"
- type(sidecar.AcquisitionDuration) != "null"
checks:
- type(sidecar.RepetitionTime) == "null"

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10 changes: 10 additions & 0 deletions src/schema/rules/sidecars/fmap.yaml
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Expand Up @@ -69,3 +69,13 @@ MRIFieldmapPepolar:
fields:
PhaseEncodingDirection: required
TotalReadoutTime: required

TB1EPI:
selectors:
- datatype == "fmap"
- suffix == "TB1EPI"
fields:
EchoTime: required
FlipAngle: required
TotalReadoutTime: required
MixingTime: required

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