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Clean up some <dfn>s that were not referenced #465

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Jul 26, 2023
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12 changes: 6 additions & 6 deletions index.bs
Original file line number Diff line number Diff line change
Expand Up @@ -547,7 +547,7 @@ A [=device sensor=] measures a physical quantities
and provides a corresponding <dfn export>sensor reading</dfn>
which is a source of information about the environment.

Each [=sensor reading=] is composed of the <dfn lt="reading value">values</dfn>
Each [=sensor reading=] is composed of the values
of the physical quantity measured by the [=device sensor=]
at time <var ignore>t<sub>n</sub></var> which is called the <dfn>reading timestamp</dfn>.

Expand All @@ -558,8 +558,8 @@ a reference frame for the [=device sensor=]'s [=sensor readings=].
A [=device sensor=] that provides such [=sensor readings=]
is referred to as <dfn export>spatial sensor</dfn>.

A [=spatial sensor=] can be <dfn>uniaxial</dfn>, <dfn>biaxial</dfn>,
or <dfn>triaxial</dfn>, depending on the number of orthogonal axes in
A [=spatial sensor=] can be uniaxial, biaxial,
or triaxial, depending on the number of orthogonal axes in
which it can perform simultaneous measurements.

Scalar physical quantities (e.g. temperature) do not require
Expand Down Expand Up @@ -645,11 +645,11 @@ for the given [=sensor types=] they are targeting.
through a process called <dfn>sensor fusion</dfn>.
This process provides [=high-level|higher-level=] or
more accurate data (often at the cost of increased latency).
For example, the [=sensor readings|readings=] of a [=triaxial=] magnetometer
For example, the [=sensor readings|readings=] of a triaxial magnetometer
needs to be combined with the [=sensor readings|readings=] of an accelerometer
to provide a correct bearing.

<dfn>Smart sensors</dfn> and <dfn>sensor hubs</dfn>
Smart sensors and sensor hubs
have built-in compute resources which allow them
to carry out [=calibration=] and [=sensor fusion=] at the hardware level,
freeing up CPU resources and lowering battery consumption in the process.
Expand Down Expand Up @@ -1402,7 +1402,7 @@ to {{SensorErrorEventInit}}.
1. Let |type| be |sensor|'s associated [=sensor type=].
1. If |type|'s [=threshold check algorithm=] is defined, then:
1. Let |result| be the result of invoking |type|'s [=threshold check algorithm=]
with |reading| and |latest reading|.
with |reading| and |sensor|'s [=latest reading=].
1. If |result| is false, then abort these steps.
1. [=map/For each=] |key| → <var ignore>value</var> of [=latest reading=].
1. [=map/Set=] [=latest reading=][|key|] to the corresponding
Expand Down
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