NEXUS Satellite signal strength simulator and Rotational vector estimation

Wrote by JE0JDY on 22 Mar 2019


 http://drive.google.com/file/d/1K-TpBvMLwN1XsyQ2GLTYA2F-ZoVbQCOg/view
9k6_satellite_signal_decoding_procedure.pdf (8 Dec 2018)

 http://drive.google.com/file/d/1eP4KxjzF85YlIfDg9RK__WWDNTjAkzj3/view
satellite_signal_strength_simulator.docx (19 Mar 2019)

 http://drive.google.com/file/d/1ECKONe2W3VkSB3dnqeav7Ck_dO10OBYa/view
satellite_signal_strength.xlsx (21 Mar 2019)

 http://drive.google.com/file/d/15cAd7nLBVXpvidTrkd5f9c1dIHRxJEU4/view
rotational_vector_estimation.pdf (8 Apr 2019)

 http://drive.google.com/file/d/1O81juSBGF5zw3jIhSG-9Bfcbwxhmt7Dc/view
rotational_vector_estimation.pdf Revised (23 Apr 2019)

 http://drive.google.com/file/d/1JKQy8_4fT7G5D_xdqsVBOwSlidrtLQzR/view
rotational_vector_&_camera_trajectory.pdf (20 Jun 2019)

 http://drive.google.com/file/d/1s1admoR_AQWQkEq2WQk5kC7l_QmH4Ag7/view
rotation_vector_fluctuation.pdf (20 Jun 2019)

 http://drive.google.com/file/d/1Jp3Ck5gKDCCs0dij1DEodxoYrKLNQ65s/view
angular_velocity_vector_animation.xlsm (20 Jun 2019)

 http://drive.google.com/file/d/1JKQy8_4fT7G5D_xdqsVBOwSlidrtLQzR/view
JAMSAT Newsletter No.294 published report (1 Aug 2019)


[Reference]  NEXUS CAM movie


http://dl.dropbox.com/s/0er5s8m09d66fxk/20190320_night.mp4
(C)NihonUniv. GS

Shooting time: 19 Feb 2019
Image size: VGA
Frame rate 7.5 fps
Number of acquired images: 56 out of 100 in total
http://twitter.com/gsnihonuniv


    (1) NEXUS Axis definition   

    (2) Axis direction
    (3) X-Y plane  
    (4) Y-Z plane  
    (5) Z-X plane  


    (6) Camera direction     


    (7) Antenna              


    (8) NEXUS composite image, created by JE0JDY

              


    (9) NEXUS composite image analysis by JE0JDY (8 Apr 2019)

              NEXUS_rotational_vector_estimation.pdf


   (10) NEXUS signal strength by JA1CPA, JE0JDY (10 Apr 2019)

              

              Green_circularly polarized antenna, Red_vertically polarized antenna.png
              435.900MHz PKT.txt
              2019_4_10_signal strength.pdf


   (11) NEXUS time-lapse image analysis by JE0JDY (19 Apr 2019)

              Shooted date : 23:14:18 UTC, 8 Apr 2019
              Revised edit : Prediction of CAM Image Center Trajectory


   (12) NEXUS trajectory estimation 5_12 by JE0JDY (28 May 2019)

              


   (13) Vector rotation direction by JE0JDY (28 May 2019)


   (14) Axis angular velocity sensor  by GS Nihon-Univ. (29 May 2019)

                 


   (15) Angular velocity calculation ver11 by JE0JDY (29 May 2019)
          
              Angular velocity calculation ver11.xls


   (16) Received packets by JE0JDY (30 May 2019)

              PKT_received_data.xls


   (17) NEXUS signal strength data  by JA1CPA (31 May 2019)

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