Micro Satellite Transponder Design

While all such satellites can be referred to as small different classifications are used to categorize them based on mass satellites can be built small to reduce the large economic cost of launch vehicles and the costs associated with construction.

Micro satellite transponder design. Design review of bbm revealed the necessity of engineering model em for critical technologies of 2 axes gimbal and receiving optics. This paper describes design progress of the sota. Hence the word transponder is obtained by the combining few letters of two words transmitter trans and responder ponder. 6 7 one of the technical problems is the laser pointing control between optical antennas 8 in order to solve this problem the laser tracking system is used for most optical transponders.

Micro satellite ground station link yagi antenna. The subsystem which provides the connecting link between transmitting and receiving antennas of a satellite is known as transponder. Design and analysis of micro satellite ground station system tao zhang and yi chao li beijing aerospace control center beijing 100094 china corresponding author keywords. Evaluation of the em carried out and final design of the sota was fixed.

Design review of bbm revealed the necessity of engineering model em for critical technologies of 2 axes gimbal and receiving optics. D activities of small optical transponder sota for micro satellites to demonstrate attractive features of optical technology. Nict initiated r amp. Development of the sota started based on the bread board model bbm.

Sota had a 2 stage laser tracking system with a 2 axis gimbal and a mirror. Transponder performs the functions of both transmitter and receiver responder in a satellite. A communications satellite s channels are called transponders because each is a separate transceiver or repeater with digital video data compression and multiplexing several video and audio channels may travel through a single transponder on a single wideband carrier original analog video only has one channel per transponder with subcarriers for audio and automatic transmission. Micro satellite risesat and its power consumption is 10w or less.

It is one of the most important subsystem of space segment subsystems. Transponder performs the functions of both transmitter and receiver responder in a satellite. Transponder moon artificial satellites satellite orbit types dth gps. Sota small optical transponder for micro satellite.