阅读说明：本技术 多光束发射接收系统 (Multi-beam transmitting and receiving system ) 是由 程思为 李一芒 周子云 于 2020-09-07 设计创作，主要内容包括：本发明公开了一种多光束发射接收系统,它包括发射端和接收端；其中,所述发射端适于将数字信号转换成N路子光信号并输出；所述接收端适于接收N路子光信号,及通过N路子光信号还原数字信号,N≥2。本发明将信号转换成N路子光信号来发射、接收,大大减少被监听的可能性,保密性强。(The invention discloses a multi-beam transmitting and receiving system, which comprises a transmitting end and a receiving end; the transmitting terminal is suitable for converting the digital signal into N paths of sub optical signals and outputting the sub optical signals; the receiving end is suitable for receiving N paths of sub optical signals and restoring digital signals through the N paths of sub optical signals, wherein N is larger than or equal to 2. The invention converts the signal into N paths of sub-optical signals for transmitting and receiving, thereby greatly reducing the possibility of being monitored and having strong confidentiality.)

1. A multi-beam transmitting-receiving system characterized in that,

the device comprises a transmitting end and a receiving end; wherein the content of the first and second substances,

the transmitting terminal is suitable for converting the digital signals into N paths of sub optical signals and outputting the sub optical signals;

the receiving end is suitable for receiving N paths of sub optical signals and restoring digital signals through the N paths of sub optical signals, wherein N is larger than or equal to 2.

2. The multi-beam transmit receive system of claim 1,

the transmitting end comprises a data splitter (2), N transmitting end lasers (3) and N transmitting end optical fibers (4); wherein the content of the first and second substances,

the data splitter (2) is suitable for splitting the digital signal into N paths of sub-digital signals and outputting the sub-digital signals;

n transmitting end lasers (3) are connected with the data splitter (2), each transmitting end optical fiber (4) is connected with one transmitting end laser (3), and each transmitting end laser (3) is suitable for converting a sub-digital signal into a sub-optical signal and sending the sub-optical signal into the corresponding transmitting end optical fiber (4) for transmission.

3. The multi-beam transmit receive system of claim 2,

the receiving end comprises a data combiner (7), N receiving end optical fibers (5) and N detectors (6); wherein the content of the first and second substances,

each receiving end optical fiber (5) corresponds to one transmitting end optical fiber (4) and is suitable for receiving and transmitting the sub optical signals transmitted by the corresponding transmitting end optical fibers (4);

each detector (6) is connected with one receiving end optical fiber (5) and is suitable for detecting sub optical signals transmitted by the corresponding receiving end optical fiber (5) and converting the sub optical signals into sub digital signals;

the data combiner (7) is connected to the N detectors (6) and is adapted to combine the N sub-digital signals into a digital signal.

4. The multi-beam transmit receive system of claim 3,

the transmitting end also comprises transmitting end lenses (9) which correspond to the transmitting end optical fibers (4) one by one;

the receiving end also comprises receiving end lenses (10) which correspond to the receiving end optical fibers (5) one by one;

the transmitting end lens (9) is connected with the corresponding transmitting end optical fiber (4) and is suitable for coupling out the sub optical signals transmitted by the transmitting end optical fiber (4);

the receiving end lens (10) is connected with the corresponding receiving end optical fiber (5) and is suitable for coupling the sub-optical signals into the corresponding receiving end optical fiber (5).

5. The multi-beam transmit receive system of claim 3 or 4,

the transmitting terminal also comprises a photoelectric conversion module (1), wherein the photoelectric conversion module (1) is connected with the data splitter (2) and is suitable for converting optical signals received by the photoelectric conversion module into digital signals and transmitting the digital signals to the data splitter (2);

the receiving end further comprises an electro-optical conversion module (8), wherein the electro-optical conversion module (8) is connected with the data combiner (7) and is suitable for converting the digital signals into optical signals and outputting the optical signals.

6. The multi-beam transmit receive system of claim 5,

the electro-optical conversion module (8) is a receiving end laser.

7. The multi-beam transmit receive system of claim 3,

the wavelength of the sub-optical signal is 850 nm.

Technical Field

The present invention relates to a multi-beam transmitting-receiving system.

Background

Most of existing signals are transmitted through a single optical signal, and the single optical signal has a risk of being monitored in the transmission process, so that signals with high confidentiality requirements cannot be transmitted in the mode, and the use range of the signals is limited.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a multi-beam transmitting and receiving system, which converts signals into N paths of sub-optical signals for transmitting and receiving, greatly reduces the possibility of being monitored and has strong confidentiality.

In order to solve the technical problems, the technical scheme of the invention is as follows: a multi-beam transmitting and receiving system comprises a transmitting end and a receiving end; wherein the content of the first and second substances,

the transmitting terminal is suitable for converting the digital signals into N paths of sub optical signals and outputting the sub optical signals;

the receiving end is suitable for receiving N paths of sub optical signals and restoring digital signals through the N paths of sub optical signals, wherein N is larger than or equal to 2.

Further provides a specific structure of a transmitting end, wherein the transmitting end comprises a data splitter, N transmitting end lasers and N transmitting end optical fibers; wherein the content of the first and second substances,

the data splitter is suitable for splitting the digital signal into N paths of sub-digital signals and outputting the sub-digital signals;

and the N transmitting end lasers are connected with the data splitter, each transmitting end optical fiber is connected with one transmitting end laser, and each transmitting end laser is suitable for converting one path of sub-digital signals into sub-optical signals and sending the sub-optical signals into the corresponding transmitting end optical fiber for transmission.

Further provides a specific structure of a receiving end, wherein the receiving end comprises N receiving end optical fibers, N detectors and a data combiner; wherein the content of the first and second substances,

each receiving end optical fiber corresponds to one transmitting end optical fiber and is suitable for receiving and transmitting the sub-optical signals transmitted by the corresponding transmitting end optical fiber;

each detector is connected with one receiving end optical fiber and is suitable for detecting sub optical signals transmitted by the corresponding receiving end optical fiber and converting the sub optical signals into sub digital signals;

the data combiner is connected with the N detectors and is suitable for combining the N sub-digital signals into a digital signal.

Furthermore, the transmitting end also comprises transmitting end lenses which are in one-to-one correspondence with the transmitting end optical fibers;

the receiving end also comprises receiving end lenses which correspond to the receiving end optical fibers one to one;

the transmitting end lens is connected with the corresponding transmitting end optical fiber and is suitable for coupling out the sub optical signal transmitted by the transmitting end optical fiber;

the receiving end lens is connected with the corresponding receiving end optical fiber and is suitable for coupling the sub-optical signals into the corresponding receiving end optical fiber.

Further, in order to enable the multi-beam transmitting and receiving system to transmit optical signals, the transmitting terminal further comprises an optical-to-electrical conversion module, wherein the optical-to-electrical conversion module is connected with the data splitter and is adapted to convert the optical signals received by the optical-to-electrical conversion module into digital signals and transmit the digital signals to the data splitter;

the receiving end also comprises an electro-optical conversion module, and the electro-optical conversion module is connected with the data combiner and is suitable for converting the digital signals into optical signals and outputting the optical signals.

Further, the electro-optical conversion module is a receiving end laser.

Further, the wavelength of the sub optical signal is 850 nm.

After the technical scheme is adopted, the invention has the following beneficial effects:

1. the invention converts the digital signal into N paths of sub-optical signals to be respectively transmitted without mutual interference, thereby ensuring that the transmitted information cannot be restored when any path of sub-optical signal is lacked, even if the N paths of sub-optical signals are all monitored, the transmitted information still cannot be restored when a secret key or an algorithm followed by distributing the sub-optical signals is unclear, the invention greatly reduces the possibility that the signal is monitored, and further greatly improves the confidentiality of the signal;

2. in the working process of the transmitting terminal, the data splitter divides the digital signal into N paths of sub-digital signals, and the transmitting terminal laser converts the sub-digital signals into sub-optical signals and sends the sub-optical signals to corresponding transmitting terminal optical fibers for transmission; in the working process of the receiving end, the optical fiber of the receiving end receives and transmits the sub optical signals, then the detector detects the corresponding sub optical signals and converts the sub optical signals into sub digital signals, and the data merger merges and restores the N sub digital signals into digital signals, so that the working processes of the transmitting end and the receiving end are stable and reliable;

3. the transmitting end of the invention also comprises a photoelectric conversion module for converting the optical signal into the digital signal, and the receiving end of the invention also comprises an electro-optical conversion module for converting the digital signal into the optical signal, so that the invention not only can transmit the digital signal with high security, but also can transmit the optical signal with high security.

Drawings

Fig. 1 is a schematic block diagram of a multi-beam transmitting-receiving system of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1, a multi-beam transmitting-receiving system includes a transmitting end and a receiving end; wherein the content of the first and second substances,

the transmitting terminal is suitable for converting the digital signals into N paths of sub optical signals and outputting the sub optical signals;

the receiving end is suitable for receiving N paths of sub optical signals and restoring digital signals through the N paths of sub optical signals, wherein N is larger than or equal to 2.

In this embodiment, N is shown as 4.

Specifically, the digital signals are converted into N paths of sub-optical signals to be transmitted respectively without mutual interference, so that the transmitted information cannot be restored when any path of sub-optical signals is lacked, even if the N paths of sub-optical signals are monitored, the transmitted information cannot be restored when a secret key or an algorithm followed by distributing the sub-optical signals is unclear, the possibility of signal monitoring is greatly reduced, and the confidentiality of the signals is greatly improved.

As shown in fig. 1, the transmitting end includes a data splitter 2, N transmitting end lasers 3, and N transmitting end optical fibers 4; wherein the content of the first and second substances,

the data splitter 2 is adapted to split the digital signal into N paths of sub-digital signals and output the sub-digital signals;

the N transmitting end lasers 3 are connected with the data splitter 2, each transmitting end optical fiber 4 is connected with one transmitting end laser 3, and each transmitting end laser 3 is suitable for converting a sub-digital signal into a sub-optical signal and sending the sub-optical signal into the corresponding transmitting end optical fiber 4 for transmission.

Specifically, the data splitter 2 splits the digital signal into N sub-digital signals following a key or algorithm therein.

As shown in fig. 1, the receiving end includes N receiving end optical fibers 5, N detectors 6, and a data combiner 7; wherein the content of the first and second substances,

each receiving end optical fiber 5 corresponds to one transmitting end optical fiber 4 and is suitable for receiving and transmitting the sub-optical signals transmitted by the corresponding transmitting end optical fiber 4;

each detector 6 is connected with one receiving end optical fiber 5 and is suitable for detecting sub optical signals transmitted by the corresponding receiving end optical fiber 5 and converting the sub optical signals into sub digital signals;

the data combiner 7 is connected to the N detectors 6 and is adapted to combine the N sub-digital signals into a digital signal.

Specifically, in the process of working of the transmitting end, the data splitter 2 divides the digital signal into N paths of sub-digital signals, and the transmitting end laser 3 converts the sub-digital signals into sub-optical signals and sends the sub-optical signals to the corresponding transmitting end optical fibers 4 for transmission; in the working process of the receiving end, the optical fiber 5 of the receiving end receives and transmits the sub optical signals, then the detector 6 detects the corresponding sub optical signals and converts the sub optical signals into sub digital signals, and the data combiner 7 combines and restores the N sub digital signals into digital signals, so that the working processes of the transmitting end and the receiving end are stable and reliable.

As shown in fig. 1, the transmitting end further includes transmitting end lenses 9 corresponding to the transmitting end optical fibers 4 one to one;

the receiving end also comprises receiving end lenses 10 which correspond to the receiving end optical fibers 5 one to one;

the transmitting end lens 9 is connected with the corresponding transmitting end optical fiber 4 and is suitable for coupling out the sub optical signals transmitted by the transmitting end optical fiber 4;

the receiver end lens 10 is connected to the corresponding receiver end optical fiber 5 and is adapted to couple the sub optical signal into the corresponding receiver end optical fiber 5.

As shown in fig. 1, in order to enable the multi-beam transmitting and receiving system to transmit an optical signal, the transmitting end further includes an optical-to-electrical conversion module 1, where the optical-to-electrical conversion module 1 is connected to the data splitter 2 and is adapted to convert the optical signal received by it into a digital signal and transmit the digital signal to the data splitter 2;

the receiving end further comprises an electro-optical conversion module 8, and the electro-optical conversion module 8 is connected with the data combiner 7 and is suitable for converting the digital signals into optical signals and outputting the optical signals.

Specifically, the transmitting terminal of the present invention further includes a photoelectric conversion module 1 for converting an optical signal into a digital signal, and the receiving terminal of the present invention further includes an electro-optical conversion module 8 for converting a digital signal into an optical signal, so that the present invention can transmit not only a digital signal but also an optical signal with high security.

In this embodiment, the electro-optical conversion module 8 is a receiving-end laser.

In this embodiment, the wavelength of the sub-optical signal is 850 nm.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.