Optical fiber sensor signal transmission principle
fiber optic sensor signal transmission principle
amount of signal transmission is divided into the switch and analog transmission, switch is easy to understand, and also is the high and low level! The analog transmission is data transmission, data transmission requires encoding, communication protocol, etc. ! But no matter how, zui throughout all is a binary string data to deal with, so we can understand, and binary only & other; 0' And & other 1' , is also high and low level in the process of transmission mode, only the high and low level is transmission by certain rules. So what is fiber optic equipment transmission principle? Principle is simple, but also with two states & other; Bright & throughout; And & other Cut & throughout; And then through the photosensitive components into & other; 0' And & other 1' Or & other; 1' And & other 0' 。 In a word: high and low level ( Electrical signal) - - - - - - - - - - - - - - - - - - Light signal - - - - - - - - - - - - - Electrical signals. So many people ask, why bother? Electric signal directly!
the reason mainly; 1. Cable cost is low, lower than the cost of cable to
2. Transmission speed, transmission speed faster than the speed of the electric light
3. Fiber optic signal transmission distance, strong anti-interference, strong anti-jamming.
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