Belgium

2011. október 11. (4817 nappal ezelőtt)

Optical microwave transmission High-capacity digital fiber optic transmission systems and high-speed local area network medium of choice. In addition to these applications, but also can be used in fiber optic transmission cable, cellular radio, WLAN and microwave antenna remoting microwave signal. Microwave transmission through fiber optic, conductivity tester microwave signals into optical fiber in the form of input and optical output, it is converted back to electrical signals. The main advantage of fiber-optic microwave transmission losses is to reduce the relative metal media. ph/orp controller This result, in the absence of signal amplification or the use of repeaters is no longer the transmission distance. Optical signal modulation and recovery in two ways. The first is IMDD (intensity modulation direct detection) and the second is the coherent detection. IMDD, light intensity of the microwave signal modulation and the resulting intensity modulation signal passing through the orp meter optical fiber to the photodiode signal is converted back to electrical modulated microwave fields. In coherent detection, the light source of the microwave signal strength, frequency or phase modulation. Modulated signal through the fiber optic receiver, where the local oscillator laser output mix. The combined signals are converted to electrical domain using a photodiode. This will generate an ink jet electrical signal difference between the frequency of the center of the laser light source and labor. This signal is further processed to recover the analog microwave signals. RFoG resolved microwave transmission cable operators to implement, in the fiber of the HFC coaxial cable in part by a single fiber passive optical network architecture to replace. The RFoG allows cable operators to deploy fiber connected clients, Basic dyes while maintaining its existing HFC and DOCSIS infrastructure. Video controller and data network services, like HFC architecture, the Federal Reserve through the CMTS / edge router. Human beings are social animals, communication has become a basic need. Only for the purpose of business through the exchange network is possible. Therefore, FM 200 the communication made in today's highly competitive world of elevated status, one of the HFC 227ea nation's economy is a business that relies heavily on revenue generated. The first thing you do in your area of usability testing. You can all telephone company AT & T and Verizon's fiber-optic services, such as. If the CHILDREN BED service is available, there will be a distribution box, which is installed in your home near the poles around. In addition, there will be another box, cable distribution box housing. LCL