# 3. Overview and Background Information¶

This section briefly summarizes the instrument and its objectives to provide its role and importance within the context of the SMD portfolio.

## 3.1. Science Objectives¶

This section describes the science objective(s) of the mission.

## 3.3. Measurement Concept¶

This subsection summarizes the instrument parameters and associated requirements that must be fulfilled to attain mission success. The types of measurements or observations made as well as how the instrument executes those measurements are described. A table like the example below may be included.

Parameter

Minimum Success Criteria

Comprehensive Success Criteria

Design Goals

Wavelength $$\lambda$$

6 or more emissions to specify the chromosphere, TR, and corona, plus the He II 30.4 nm emission

0.1-105 nm

0.1-105 nm

60 sec

< 20 sec

10 sec

## 3.4. Instrument Subsystem Descriptions¶

### 3.4.1. <Subsystem name>¶

This section (and any necessary subsections) provides details on the susbsystems or components responsible for directly obtaining the measurements or observations pertinent to the instrument. Details on the layout and design of the subsystem, examples of expected measurements, and interactions with any other subsystems should be provided.

### 3.4.2. <Instrument name> Heritage¶

#### 3.4.2.1. Subsystem Heritage¶

This section summarizes any heritage from past missions for the instrument and its subsystems or components (e.g., detectors, cameras, signal processing electronics).

##### 3.4.2.1.1. Algorithm and Calibration Heritage¶

This section identifies any heritage from past missions for the algorithms used to process/convert detector signals into the measurable quantities needed to meet the science requirements.