1 / 11

CCD Detection System for Rainbow Camera CCD readout system for specific lines of the CCD

Earth Science Projects for Olin College Students: J. Vanderlei Martins UMBC Physics Department and NASA GSFC Climate and Radiation Branch. CCD Detection System for Rainbow Camera CCD readout system for specific lines of the CCD CubeSat Sun-Sensor CCD or CMOS based

morse
Download Presentation

CCD Detection System for Rainbow Camera CCD readout system for specific lines of the CCD

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Earth Science Projects for Olin College Students:J. Vanderlei Martins UMBC Physics Departmentand NASA GSFC Climate and Radiation Branch CCD Detection System for Rainbow Camera CCD readout system for specific lines of the CCD CubeSat Sun-Sensor CCD or CMOS based Position Sensing Detector Based (http://www.on-trak.com/theory.html) Solar Cell based CubeSat Attitude Control System Sun-Sensor to determine pointing Magnetorquers to control the satellite’s attitude

  2. Science – The Big Picture: Interaction Between Aerosols and Clouds Andreae, et al. – Science 2004Smoking Rain Clouds over the Amazon

  3. Cloud Droplet Measurements from Cloud RainbowF-M. Breon, P. Goloub, 1998.

  4. Project 1- CCD Detection System for Rainbow Camera • Interested in Only Selected lines of the CCD • Most CCD/Cameras allow for windowing or binning but not for reading “a bunch” of selected lines along the CCD. • Reading only selected lines increases speed and reduces data volume

  5. Example of stripe filter: need to read only one line in the center of each stripe

  6. Project 2 - CubeSat Sun-Sensor • One face of the satellite must always point to the sun • maximizes solar incidence in the solar panel • Assures optimum geometry for cloud-side measurements • Feedback from Sun-Sensor increases accuracy of the Attitude and Determination Control System

  7. More Science: Cloud-Side Profiling ice Temperature Water ice Aerosol Impact in Microphysics? mixed phase Water-ice processes water Collision-Coalescence

  8. Radiator face Cloud CubeSatOrbit Geometry:

  9. Sun-Sensor Cloud-CubeSat Ex: SunSensor from Nat. Cheng Kung University for the PACE CubeSat • Other options: • PSD – analog position sensitive detector • Solar cell pyramid CMOS Detector Array

  10. Project 3 - CubeSat Attitude Control System • Can we control the attitude of the satellite using Earth’s magnetic field • How much torque is needed and how to implement an active control system to keep one face of the satellite always pointing to the sun. • Sun-Sensor can be used as feedback mechanism

  11. Use Sun-Sensor signal to align one face of the satellite (or solar panel) to the sun Magnetorquer Coils

More Related