Drones are now widely used in surveying, mapping, law enforcement, reconnaissance, and security surveillance. At present, the drone's self-supporting image transmission equipment can only meet the needs of civil-grade transmission and face the requirements of low latency, high bandwidth, and strong security in special areas.
In response to this situation, we have begun to develop a wireless image transmission system based on COFDM technology that can be targeted to meet the needs of drones in specific areas. COFDM uses Orthogonal Frequency Division Multiplexing technology, which utilizes a relatively narrow bandwidth in the air (4MHz/6MHz) and strong anti-multipath interference capability to overcome the multipath reflection and blocking caused by image transmission under analog and conventional modulation techniques. Difficult to achieve, shoot in high-speed motion and real-time non-line-of-sight transmission of high-quality images, ideal for the use of high-speed flying drones Currently launched products are COFDM wireless products for unmanned aircraft systems, the device volume is only 90*65 *23mm, 150g ultra light weight, easy to use, 100 meters high theoretical transmission distance 10 kilometers, power can be customized, multi-frequency work section customization, ultra-short video transmission delay, strong anti-interference, H.264 video codec, clear image Smooth and stable without trailing.
Its logic is as follows:
The communication system consists of two parts, the transmitter on the drone, and the receiving end of the ground station/control point. The structure is simple and provides a large portability for rapid deployment.
In response to customer demand, our company recently field-tested the appearance of customized COFDM image transmission equipment, far exceeding customer expectations and achieved a complete success. The field test chart is as follows:
In response to this situation, we have begun to develop a wireless image transmission system based on COFDM technology that can be targeted to meet the needs of drones in specific areas. COFDM uses Orthogonal Frequency Division Multiplexing technology, which utilizes a relatively narrow bandwidth in the air (4MHz/6MHz) and strong anti-multipath interference capability to overcome the multipath reflection and blocking caused by image transmission under analog and conventional modulation techniques. Difficult to achieve, shoot in high-speed motion and real-time non-line-of-sight transmission of high-quality images, ideal for the use of high-speed flying drones Currently launched products are COFDM wireless products for unmanned aircraft systems, the device volume is only 90*65 *23mm, 150g ultra light weight, easy to use, 100 meters high theoretical transmission distance 10 kilometers, power can be customized, multi-frequency work section customization, ultra-short video transmission delay, strong anti-interference, H.264 video codec, clear image Smooth and stable without trailing.
Its logic is as follows:
The communication system consists of two parts, the transmitter on the drone, and the receiving end of the ground station/control point. The structure is simple and provides a large portability for rapid deployment.
In response to customer demand, our company recently field-tested the appearance of customized COFDM image transmission equipment, far exceeding customer expectations and achieved a complete success. The field test chart is as follows:
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