Underwater wireless optical communication receiving device with high dynamic range
A wireless optical communication, high dynamic range technology, applied in electromagnetic receivers, optical transmission systems, electromagnetic repeaters, etc., can solve the problems of large fluctuation range and reduced communication quality, and achieve the effect of high dynamic detection range
Pending Publication Date: 2021-11-26
武汉船舶通信研究所
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Problems solved by technology
[0007] Aiming at at least one defect or improvement requirement of the prior art, the present invention provides a high dynamic range underwater wireless optical communication receiving device, the purpose of which is to solve the problem of the signal at the receiving end relative to the signal at the sending end in an underwater wireless optical communication system. The problem that the fluctuation range is large, resulting in a decrease in communication quality
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[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.
[0033] The terms "first", "second", "third" and the like in the description and claims of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or devices.
[0034] figure 1 It is a logical block diagram of a high dynamic range underwater wireless optical communication receivin...
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The invention discloses an underwater wireless optical communication receiving device with a high dynamic range. The underwater wireless optical communication receiving device comprises an optical antenna, an optical relay unit, a photoelectric conversion unit and an electrical unit; the optical relay unit is used for collimating, filtering and splitting optical signals received by the optical antenna; the photoelectric conversion unit comprises at least two photoelectric detectors with different optical power receiving ranges, and is used for detecting optical signals output by the optical relay unit; and the electrical unit is used for sampling the electrical signal detected and output by the photoelectric conversion unit and recovering the electrical signal into original data, monitoring the power of the optical signal output by the optical relay unit, and starting a photoelectric detector matched with the power of the optical signal in the photoelectric conversion unit to detect the optical signal. According to the invention, the incident light beam is divided into multiple paths of light beams and then the light beams are detected and received through different types of photoelectric detectors, the detection range of the optical power can cover a large range from low to high, the high dynamic detection range is realized, and the practicability is high.
Description
technical field [0001] The present application relates to the technical field of underwater wireless optical communication, and more particularly, relates to a high dynamic range underwater wireless optical communication receiving device. Background technique [0002] With the development of society, people carry out more and more underwater activities, and correspondingly, the demand for underwater communication is also becoming stronger and stronger. Interconnection and intercommunication information return of ocean observation sensor Internet of Things, high-speed non-contact data transmission of underwater sports equipment and surface ships and communication buoys, underwater vehicle cluster and formation network communication, submarine optical cable network and underwater wireless Functions such as wireless fusion networking of optical communication require underwater communication technology as support. [0003] Underwater communication technology is mainly divided i...
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IPC IPC(8): H04B10/60H04B10/11H04B10/80H04B10/29
CPCH04B10/60H04B10/11H04B10/80H04B10/29
Inventor彭汉宫鹏飞文柯肖云吴夏颖李亚平费礼
Owner武汉船舶通信研究所