Method and apparatus of transmitting image data in a satellite s

Details Method and apparatus of transmitting image data in a satellite s Method and apparatus of transmitting image data in a satellite s

1987-04-21

1988-05-31

Cangialosi, Salvatore

Pulse or digital communications

Repeaters

Testing

H04L 2730

Patent

active

047486368

ABSTRACT:
An improved method and apparatus of transmitting image data in a satellite system comprises a satellite from which image data signals of a decreased data rate and of a spread spectrum which are to be processed and processed image data signals which are received from a ground center station are transmitted simultaneously. The processed image data signals are also encoded with error correction code so that the image data signals to be processed and the processed image data signals can be separated in one of ground image data collecting stations even if the both signals are transmitted from the satellite to the ground with carrier frequencies adjacent to each other or the same carrier frequency. In addition, a receiving antenna can be smaller on the ground in accordance with an encoded gain.

REFERENCES:
patent: 4392231 (1983-07-01), Henry
patent: 4701934 (1987-10-01), Jasper
"Geostationary Meteorological Satellite System in Japan" by Masanori Homma, Moriyoshi Minowa, Mitsuo Kobayashi and Minoru Harada, pp. 570-588.

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