| 摘要 |
Device for transmission of images collected by a satellite, including a compression unit (1) to which the rows of blocks are transmitted, at a fixed binary data rate, this compression unit including a module (3) for decorrelating the received images; a quantiser (4) which receives the decorrelated data; a module (5) for coding the quantised data, into a variable-length code, the device also including: . a FIFO-type memory (2); . regulation means (6); . means (8) for pre-analysis of the images transmitted to the compression unit (1). <IMAGE> |
