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Authors
Arup Roy Chowdhury
1,
Vishnukumar D. Patel
1,
S. R. Joshi
1,
A. S. Arya
1,
Ankush Kumar
1,
Sukamal Paul
1,
Dhrupesh Shah
1,
Pradeep Soni
1,
J. C. Karelia
1,
Minal Sampat
1,
Satish Sharma
1,
Sandip Somani
1,
H. V. Bhagat
1,
Jitendra Sharma
1,
Amitabh
1,
K. Suresh
1,
R. P. Rajasekhar
1,
B. B. Bokarwadia
1,
Mukesh Kumar
1,
D. N. Ghonia
1 Affiliations
1 Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 015, IN
Source
Current Science, Vol 118, No 4 (2020), Pagination: 566-572
Abstract
The paper presents the design and development of Terrain Mapping Camera-2 (TMC-2) for Chandrayaan- 2 including science objectives; system and sub-system configuration along with the realized performance of the camera; payload characterization; aspects related to data products, etc. TMC-2, onboard Chandrayaan-2 orbiter-craft is a follow-on of the Terrain Mapping Camera (TMC) onboard Chandrayaan- 1. It operates in visible panchromatic band. It comprises three identical electro-optical chains aligned for three views (–25, 0 and +25 degree) along track direction for generation of stereo images. It provides data with 5 m horizontal ground sampling distance to generate digital elevation model. TMC-2 based on the new configuration and sub-system designs has reduction in mass and power by more than 40% compared to TMC, without compromising the performance.
Keywords
Digital Elevation Model, Light Transfer Characteristics, Relative Spectral Response, Signal-to-noise Ratio, Stereo Imaging, Square Wave Response, Terrain Mapping Camera-2.
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References
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