Research On Solar Blind Ultraviolet Ray Speech Communication System

The communications system already became bridge which both sides linked up of modern people, along with the science and technology progress, the communications system depended on each kind of medium obtain the development. Below at present the commonly used communications system may approximately divide into two big kinds:The communications system depends on the radio frequency (RF)The communications system depends on infrared and laserBy radio frequency and infrared and visible light communications system development already quite mature, thus applies extremely is also widespread. But their each one also has some shortcomings, the radio communication is easy to receive the electromagnetic wave the disturbance, easily by the third party interception and the direction finding and so on, infrared and the laser communication is strict to the bilateral position request, generally only can use in the straight line communication.The ultraviolet communications system has many other merits than conventional communications ways, especially solar blind ultraviolet ray correspondence. At first, because the atmosphere will prevent the solar blind ultraviolet ray radiation, on Earth nearly does not have the wave length to be lower than 290 nanometer ultraviolet rays, thus will work in this scope optical communication system cannot receive the daytime and the night environment influence, thus greatly sharpened the correspondence anti-jamming ability. Next, the solar blind region ultraviolet ray mainly transmit by scattering way, and the transmission distance is limited, this had decided the ultraviolet communications system has the non- line of sight communication characteristic in the limited scope, simultaneously not easily by the distant place third party monitor or the direction-finding, has a better secrecy.This article from aspect and so on atmospheric transmission characteristic of ultraviolet ray, system total design, hardware design, software design carries on the elaboration, mainly has included following several aspects content:The system plan choice, the plan, the proofSystem hardware partial designs, the modeling and the manufacture of test prototypicalSystem software partial designs...