Mechanical Accommodations of Science Payloads for an Earth Observation Microsatellite
Bibliographic record
Abstract
It has become clear that anthropogenic aerosol emissions have had a distinct impact on global surface temperature and climatic activity over the last century. Traditional methods of atmospheric observation such as ground-based or in-situ aircraft measurements represent laboursome campaigns that are limited to a few weeks. Small satellites for Earth observation provide an accessible platform to scientific organizations that can perform routine measurements over the course of years. To this end, the Space Flight Laboratory at the University of Toronto Institute for Aerospace Studies is developing the DMSat-1 microsatellite on its NEMO platform. This thesis describes the mechanical accommodations for the science payloads: a multispectral polarimeter, and two grating spectrometers. A semi-passive thermal design that ensures acceptable performance of the polarimeter is described, and a structural interface which isolates the payloads from the harsh launch environment is presented. Finally, the development of the spacecraft dispenser system is discussed.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.012 | 0.004 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".