A laser communication system and laser modulation method
A laser communication and laser technology, which is applied in the field of laser communication, can solve the problems of the transmission main line restricting large data transmission and the high cost of erecting the transmission main line, and achieve the effect of improving the amount of restricted data transmission and increasing the amount of data transmission
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no. 1 example
[0028]Optical fiber communication technology has the advantages of high speed, low packet loss rate, low loss and power consumption, non-contact, and no radiation. However, as the amount of information continues to increase, the existing optical fiber communication technology cannot Technology is also starting to struggle.
[0029] In view of this, an embodiment of the present invention provides a laser communication system. Such as figure 1 As shown, the laser communication system 100 includes a modulating device 110 , a light adjusting device 130 , a receiving device 150 and a plurality of laser generating devices 120 with different wavelengths. A plurality of laser generating devices 120 are coupled to the modulation device 110 . It should be noted, figure 1 The dotted connecting lines between the blocks in the diagram represent optical signals, and the solid connecting lines represent electrical signals.
[0030] Wherein, a correspondence table is pre-stored in the mod...
no. 2 example
[0044] The basic structure and principle of the laser communication system provided by this embodiment and the technical effects produced are the same as those of the first embodiment. For a brief description, for the part not mentioned in this embodiment, you can refer to the corresponding content in the first embodiment. .
[0045] Such as figure 2 As shown, the laser communication system 100 provided in this embodiment includes a modulating device 110 , an optical adjusting device 130 , a receiving device 150 , a first laser generating device 121 , a second laser generating device 122 and a third laser generating device 123 . The first laser generating device 121 , the second laser generating device 122 and the third laser generating device 123 are all coupled to the modulation device 110 . In addition, the first laser generating device 121 , the second laser generating device 122 and the third laser generating device 123 are all pulsed lasers with different output wavele...
no. 3 example
[0057] An embodiment of the present invention also provides a laser modulation method, which is applied to the laser communication system described in the first embodiment. Such as figure 1 As shown, the laser communication system 100 includes: a modulating device 110 , a light adjusting device 130 , a receiving device 150 and a plurality of laser generating devices 120 with different wavelengths. Such as image 3 As shown, the laser modulation method may include the following steps S301 to S305.
[0058] Step S301: Divide the data information to be transmitted into multiple data segments.
[0059] Step S302: Search the color scale value sequence corresponding to each data segment in the pre-stored correspondence table.
[0060] Wherein, the pre-stored correspondence table includes a one-to-one correspondence between multiple color scale value sequences and multiple preset length binary data segments, and each color scale value sequence includes multiple color scale values....
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