Error Detection And Correction Mechanisms
Error detection and correction mechanisms are techniques used in space and astronautical engineering to ensure the accuracy and reliability of data transmission. These mechanisms involve adding extra bits to the transmitted data to detect and correct errors that may occur during transmission. The most commonly used error detection and correction mechanisms in space and astronautical engineering are checksums, cyclic redundancy checks (CRC), and forward error correction (FEC). Checksums involve adding a simple mathematical calculation to the data that can be used to detect errors. CRC involves adding a more complex calculation to the data that can both detect and correct errors. FEC involves adding redundant data to the transmission that can be used to correct errors without the need for retransmission. These mechanisms are critical in space and astronautical engineering as errors in data transmission can have catastrophic consequences.
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