The use of COFDM wireless image transmission equipment has the following advantages
The use of COFDM wireless image transmission equipment has the following advantages
Advantage:
1, in the transmission of non-visual and non-line-of-sight environment, the use of clear diffraction and penetration, so wireless mobile video is often used in urban areas, suburbs, public security forces, buildings to complete real-time wireless image transmission system Microwave equipment, it is necessary in the visual conditions (both send and receive between the two points is necessary without obstruction) to establish a wireless connection channel. Therefore, the use of large environmental constraints, the need to investigate the use of the environment in advance, the selection, testing send and receive points, adjust the antenna direction, set up the antenna height measurement, the workload is very large, but also appropriate tedious, not only directly limiting audio and video Transmission and acceptance, but also the reliability of the system, work efficiency is not up to the best results!
Our Shenzhen wireless image transmission equipment completely changed this difficulty. Because of its multi-carrier and other technical features, COFDM equipment has the advantages of "non-line-of-sight" and "diffracted" transmission. In an environment that can not be seen or obstructed in urban areas, mountains, buildings, Probability to complete the stable transmission of images, no environmental impact or environmental impact. The system chooses omnidirectional antenna, can set up the wireless transmission link in the shortest time, the collection end and the receiving end can also move freely, regardless of the direction of the constraint, the use of sensitive.
2, COFDM multi-carrier mobile video, suitable for wireless transmission of real-time pictures in high-speed mobile applications, but also often used in vehicles, boats, helicopters and other platforms using microwave (digital microwave, spread spectrum microwave), wireless LAN and other equipment due to their skills The reason of the system, can not finish the collection end and the receiving end and transmit the picture in real time in the high-speed moving course.
Shenzhen wireless image transmission COFDM wireless mobile video transmission equipment professional in the use of the process can not add any additional equipment, you can complete the front-end fixed to the back-end mobile, mobile front-end mobile back-end fixed between the use of mobile, very suitable for installation To helicopters, vehicles, ships and other mobile platforms. In this complete transmission system not only transmits with high reliability, but also shows a high price, but also to meet all the harsh environments!
3, COFDM mobile video transmission bandwidth is not only high, the appropriate high-stream, high-quality audio and video transmission, high stream, high-definition audio and video data stream encoding, channel speed demand is very high.
4, in the messy electromagnetic environment, COFDM has excellent anti-interference function. In a multi-carrier COFDM system, only a small number of subcarriers are disturbed, and these sub-channels can also use error correction codes to correct errors and ensure low transmission error rates.
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