Relationship between
dielectric loss and temperature and frequency of fluorphlogopite
The main performance of fluoride crystal mica
used in the field of electrical insulation: The 13th Institute of Shijiazhuang,
the CLP Group and the Second Aviation Academy of the Air Force
Institute of Fluid
Physics, China Academy of Engineering Physics (Nine Institute of Mianyang),
Institute of High Energy Physics, Chinese Academy of Sciences, Xi'an Institute
of Optics and Precision Mechanics, Chinese Academy of Sciences, Shanghai
Institute of Technical Physics, Chinese Academy of Sciences, National
Synchrotron Radiation Laboratory, Hefei Institute of Physical Chemistry,
Chinese Academy of Sciences , 50th Institute of China Electronics Technology
Group Corporation (Shanghai), 23 Institute of the Second Institute of China
Aerospace Science and Industry Corporation, Institute of Electrical
Engineering, Chinese Academy of Sciences, Beijing Institute of Radiometrics,
12th Institute of China Electronics Technology Group (Semiconductor 12).
Mica Insulation Pad,Insulation Pad,Mica Insulation Film,Mica Insulation Material Changchun City Taiyuan FluorphlogopiteCo. Ltd. , https://www.micaslice.com
In the monitoring center, if it is necessary to restore the digital signal transmitted by the wireless bridge to an analog signal, it must be realized by a decoder.
Network encoder, which is a professional network transmission equipment for compressing and processing audio and video data. It is also known as network editing. There is also a device called network video decoder (commonly known as network solution). The network video encoder is used in the front-end, network video. The decoder is used in the back end. Both can be interpreted as a two-way transmission channel. After the data is encoded, it needs to be decoded and restored. The two are complementary.
The basic composition of the network video encoder:
Network video encoder consists of audio and video compression codec chip, input and output channels, network interface, audio and video interface, RS485 serial interface control, protocol interface control, system software management and other components. If it is applied to network video surveillance, it can be understood as a front-end device of the remote monitoring system, external camera, alarm signal, can automatically dial up to the center's monitoring service platform to achieve remote monitoring. 
However, if it is a new project, it is recommended to use a network camera to set up a wireless monitoring system. The network camera not only saves you a lot of costs, but also makes the wireless monitoring system more simplified. The monitoring center proposes to directly use network hard disk recorders (NVRs) to output signals, thus making the original system more simplistic.
At present, due to the continuous development of digital signals, the use of wireless bridges has basically replaced analog wireless monitoring equipment. Because wireless bridges have the characteristics of flexible application, high scalability, and strong anti-interference ability, wireless bridges are well received by customers. In the case where the distribution of points is relatively concentrated, if wireless bridges are used to transmit signals one to one, the cost is relatively low. So if the front end is an analog camera, and in the case of a relatively concentrated point, we have to use a wireless bridge to transmit video signals, which is inseparable from the video encoder. The video encoder converts the front-end analog signal to a digital signal and transmits it over the wireless bridge. This is the role of the video encoder.