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Introduction to the features and advantages of the UAV image transmission equipment
The UAV image transmission device is a UAV and a core component. Its main function is to use the appropriate video compression technology, signal processing technology, channel coding technology and modulation and demodulation technology to shoot the camera on the field drone. The incoming video is transmitted wirelessly in real time to a wireless electronic transmission device that is remotely behind. Divided into two parts of transmission and reception.
The UAV image transmission equipment is divided into analog image transmission and digital image transmission. The quality and stability of the video transmitted by the digital image transmission are much better than the analog image transmission system, so it is in the industrial grade. Digital image transmission is usually used in applications.
At present, the standard and resolution of full HD pictures on the market are mainly 1080i and 1080p. The common frame rate can be divided into four types: 25fps, 30fps, 50fps and 60fps. The bandwidth is also divided into 4MHz, 6MHz and 8MHz. The actual code stream speed ranges from 2Mbps to 12Mbps, and the end-to-end transmission delay is also basically between 400ms and 1200ms. The effective transmission distance of 1W transmit power ranges from several hundred meters to about 20km.
However, even in the full HD level, the transmission system, bandwidth, frame rate, actual code stream speed, transmission delay, and effective transmission distance are also very different.
It should be noted that the i/p system (interlace/progressive), frame rate, actual code stream speed, image transmission delay and effective transmission distance are different. When viewing the video or actual application, the image is displayed. The difference in user experience in terms of detail, image fluency, large dynamic scene changes, image color transition softness, and environmental adaptability is very large.
The Tengyuan Zhituo ST1410KP UAV image transmission device adopts a dedicated OFDM baseband algorithm to design a wireless transmission product with large bandwidth, long distance, strong anti-interference ability and strong diffraction performance. It is widely used in drones, unmanned vehicles and unmanned vessels in many fields.