CN206117672U - Long -range terahertz is communication system now - Google Patents
Long -range terahertz is communication system now Download PDFInfo
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- CN206117672U CN206117672U CN201621116246.6U CN201621116246U CN206117672U CN 206117672 U CN206117672 U CN 206117672U CN 201621116246 U CN201621116246 U CN 201621116246U CN 206117672 U CN206117672 U CN 206117672U
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Abstract
The utility model provides a long -range terahertz is communication system now, including terahertz emitter and terahertz receiving arrangement now, terahertz emitter now includes terahertz transmitter, first high -gain directional aerial, a laser transmitting module, a laser receiving module, a light path adjustment module and a control module now, and terahertz receiving arrangement now includes terahertz receiver, second high -gain directional aerial, the 2nd laser transmitting module, the 2nd laser receiving module, the 2nd light path adjustment module and the 2nd control module now, a control module is connected with a laser receiving module and a light path adjustment module, and the 2nd control module is connected with the 2nd laser receiving module and the 2nd light path adjustment module. The utility model discloses a coloured laser signal of easily discerning is as signal mark, realizes terahertz emitter's high -gain directional aerial and terahertz receiving arrangement's high -gain directional aerial's real -time alignment now, can effectively guarantee long -range terahertz is communication system now's communication link unobstructed in real time.
Description
Technical field
The utility model embodiment belongs to THz communication technology field, more particularly to a kind of long-range Terahertz communication system
System.
Background technology
Terahertz communication such as has transfer rate height, good directionality, a safe, scattering little and penetrability is good at the characteristic.Mesh
Before, Terahertz communication is limited because water absorbs limited grade of serious and transmission power, is only applicable to short range transmission, be at a distance
Terahertz communicates in addition to being broken through in transmission power, and launching and receive signal using gain directional antenna is also
A kind of important technological means.
However, being launched using gain directional antenna and receiving the problems of signal to be that communication link is difficult to right
Accurate and holding, particularly in the application that the remote Terahertz such as the communication of airborne Terahertz or the Terahertz communication of star ground communicates,
Keep the real-time unimpeded extremely difficult of Terahertz communication link.
Utility model content
The purpose of this utility model is to provide a kind of long-range Terahertz communication system, it is intended to solve to be oriented using high-gain
Antenna is that communication link is difficult to be aligned and keeps to launch and receive the problems of signal, particularly in airborne Terahertz
In the application of the remote Terahertz communication such as communication or the Terahertz communication of star ground, the real-time unimpeded of Terahertz communication link is kept
Extremely difficult problem.
The utility model is achieved in that a kind of long-range Terahertz communication system, including terahertz sources device and too
Hertz reception device, the terahertz sources device includes that terahertz sources machine, the first gain directional antenna, first laser are sent out
Module, first laser receiver module, the first light path adjusting module and the first control module are penetrated, the Terahertz reception device includes
Terahertz receiver, the second gain directional antenna, second laser transmitter module, second laser receiver module, the second light path are adjusted
Mould preparation block and the second control module；
First control module is connected respectively with the first laser receiver module and the first light path adjusting module,
Second control module is connected respectively with the second laser receiver module and the second light path adjusting module；
The first terahertz signal of modulation, the first laser transmitter module transmitting are passed through in the terahertz sources machine transmitting
First color laser signal, the first light path adjusting module believes first terahertz signal and first color laser
Number synthesize a branch of flashlight and launched to the Terahertz reception device by first gain directional antenna；Described
Two gain directional antennas receive the flashlight and are first Terahertz by the second light path adjusting module beam splitting
Signal and the first color laser signal, the Terahertz receiver receives first terahertz signal and is demodulated,
The second laser receiver module receives the first color laser signal, and second control module is coloured according to described first
The signal strength signal intensity of laser signal controls the signal of the second light path adjusting module adjustment second gain directional antenna and connects
Debit to；
The second laser transmitter module is launched the second color laser signal and is passed by the second light path adjusting module
Be handed to second gain directional antenna, second gain directional antenna by the second color laser signal launch to
The terahertz sources device；First gain directional antenna receives the second color laser signal and passes through described the
One light path adjusting module is transferred to the first laser receiver module, and first control module is according to second color laser
The signal strength signal intensity of signal controls the signal launch party that the first light path adjusting module adjusts first gain directional antenna
To.
Preferably, the first light path adjusting module includes the first dichroic mirror, the first rapid control reflector and second pair
Look mirror, first rapid control reflector and first control module connect；
First terahertz signal and the first color laser signal are synthesized a branch of letter by first dichroic mirror
Number light is simultaneously transmitted to first rapid control reflector, and the flashlight is reflexed to institute by first rapid control reflector
The second dichroic mirror is stated, the flashlight is reflexed to first gain directional antenna by second dichroic mirror；
Second dichroic mirror described in the second color laser signal Jing is transmitted through the first laser receiver module, and described
One rapid control reflector is controlled to adjust the reflection angle of itself by first control module.
Preferably, the second light path adjusting module includes the 3rd dichroic mirror, the second rapid control reflector and the 4th pair
Look mirror, second rapid control reflector and second control module connect；
The flashlight beam splitting is first terahertz signal and first color laser by the 3rd dichroic mirror
Signal, the 3rd dichroic mirror Transflective is described to second rapid control reflector described in the first terahertz signal Jing
First terahertz signal is reflexed to the 4th dichroic mirror by the second rapid control reflector, and the 4th dichroic mirror is by institute
State the first terahertz signal and reflex to the Terahertz receiver；
3rd dichroic mirror described in the first color laser signal Jing is transmitted through the second laser receiver module, and described
Two rapid control reflectors are controlled to adjust the reflection angle of itself by second control module；
Successively the transmission of the 4th dichroic mirror, second rapid control reflector are anti-described in Jing for the second color laser signal
Penetrate and the 3rd dichroic mirror reflection, be transferred to second gain directional antenna.
Preferably, the color of the first color laser signal is different with the color of the second color laser signal.
Preferably, the first color laser signal is that wavelength is for the ruddiness of 650nm, the second color laser signal
Wavelength is the green glow of 532nm；
Or, it is ripple for the green glow of 532nm, the second color laser signal that the first color laser signal is wavelength
The ruddiness of a length of 650nm.
Compared with prior art, its advantage is the utility model：
First color laser signal, Terahertz reception device are launched by terahertz sources device and launches the second color laser
Signal, makes terahertz sources device control its first gain directional antenna according to the signal strength signal intensity of the second color laser signal
The signal direction of the launch, makes Terahertz reception device control its second high-gain according to the signal strength signal intensity of the first color laser signal and determines
Receiving side signal to antenna is to so that can be real between the first gain directional antenna and the second gain directional antenna
When be aligned, with ensure long-range Terahertz communication system communication link it is real-time unobstructed.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the utility model embodiment, below will be to needed for embodiment description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings acquisitions
Other accompanying drawings.
Fig. 1 is the basic structure block diagram of the long-range Terahertz communication system that the utility model embodiment is provided；
Fig. 2 is the concrete structure block diagram of the long-range Terahertz communication system that the utility model embodiment is provided.
Specific embodiment
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the utility model reality
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is explicitly described, it is clear that described embodiment
It is the embodiment of the utility model part, rather than the embodiment of whole.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, should all belong to this practicality
Novel protected scope.
Term " including " and their any changes in specification and claims of the present utility model and above-mentioned accompanying drawing
Shape, it is intended that cover non-exclusive including.Such as process comprising series of steps or unit, method or system, product or
Equipment is not limited to the step of listing or unit, but alternatively also includes the step of not listing or unit, or optional
Ground also includes other steps intrinsic for these processes, method, product or equipment or unit.Additionally, term " first ", " the
Two " and " the 3rd " etc. is for distinguishing different objects, not for description particular order.
As shown in figure 1, the present embodiment provides a kind of long-range Terahertz communication system, it includes the He of terahertz sources device 10
Terahertz reception device 20.
Terahertz sources device 10 includes that terahertz sources machine 11, the first gain directional antenna 12, first laser are launched
Module 13, first laser receiver module 14, the first light path adjusting module 15 and the first control module 16, the first 16 points of control module
It is not connected with the light path adjusting module 15 of first laser receiver module 14 and first；
Terahertz reception device 20 includes that Terahertz receiver 21, the second gain directional antenna 22, second laser are launched
Module 23, second laser receiver module 24, the second light path adjusting module 25 and the second control module 26, the second 26 points of control module
It is not connected with the light path adjusting module 25 of second laser receiver module 24 and second.
In a particular application, first laser transmitter module and second laser transmitter module are laser instrument, and first laser connects
Receive module and second laser receiver module is laser pickoff.
In a particular application, the first control module and the second control module can be to be independently arranged by general integrated electricity
Road, such as CPU (Central Processing Unit, central processing unit), or by ASIC (Application
Specific Integrated Circuit, special IC) come the control device realized, it is also possible to swash with first respectively
Optical Receivers and second laser receiver module are integrated in one setting.
In a particular application, the first color laser signal can select wavelength for 650nm ruddiness, the second color laser letter
Number can select wavelength for 532nm green glow；Or, the two is exchanged, the first color laser signal is from wavelength for 532nm's
Green glow, the second color laser signal are from the ruddiness that wavelength is 650nm.In actual applications, the first color laser signal and
Two color laser signals can also select other readily discernible color lasers.
First light path adjusting module and the second light path adjusting module are used to change the paths direction of optical signal, so that
Optical signal can be propagated between each device.
The operation principle of the long-range Terahertz communication system that the present embodiment is provided is：
The transmitting of terahertz sources machine is through the first terahertz signal of modulation, and it is coloured that first laser transmitter module launches first
First terahertz signal and the first color laser signal are synthesized a branch of flashlight simultaneously by laser signal, the first light path adjusting module
Launched to Terahertz reception device by the first gain directional antenna；
Second gain directional antenna receives flashlight and is the first Terahertz letter by the second light path adjusting module beam splitting
Number and the first color laser signal, Terahertz receiver receives the first terahertz signal and is simultaneously demodulated, and second laser receives mould
Block receives the first color laser signal, and the second control module controls the second light path according to the signal strength signal intensity of the first color laser signal
Adjusting module adjust the second gain directional antenna receiving side signal to；
Second laser transmitter module launches the second color laser signal and is transferred to second by the second light path adjusting module
Gain directional antenna, the second gain directional antenna launches the second color laser signal to terahertz sources device；
First gain directional antenna receives the second color laser signal and is transferred to the by the first light path adjusting module
One laser pick-off module, the first control module controls the first light path adjusting module according to the signal strength signal intensity of the second color laser signal
Adjust the signal direction of the launch of the first gain directional antenna.
In a particular application, if the first gain directional antenna is directed at transmitting with the second gain directional antenna and receives letter
Number, then the loss of the signal strength signal intensity of the color laser signal of the two received other side's transmitting should be maintained at preset range
It is interior, if the signal strength loss of the color laser signal received by the two is more than predetermined threshold value, can be by respective control
Molding block controls the direction that corresponding light path adjusting module adjusts the signal that each gain directional antenna is launched, so that Terahertz
The gain directional antenna of emitter and Terahertz reception device gain directional antenna can be aligned in real time, to ensure
Remotely the communication link of Terahertz communication system is real-time unobstructed.
The present embodiment is used as marker to realize that Terahertz is sent out by two readily discernible color laser signals of introducing
The real-time alignment of the gain directional antenna of injection device and Terahertz reception device gain directional antenna, simple structure,
Be easily achieved, it is with low cost, and can effectively ensure that long-range Terahertz communication system communication link it is real-time unobstructed, be suitable to wide
It is general to promote the use of.
The present embodiment launches the first color laser signal, Terahertz reception device transmitting second by terahertz sources device
Color laser signal, makes terahertz sources device control its first high-gain according to the signal strength signal intensity of the second color laser signal and determines
To the signal direction of the launch of antenna, make Terahertz reception device according to the signal strength signal intensity of the first color laser signal control its second
The receiving side signal of gain directional antenna to so that the first gain directional antenna and the second gain directional antenna it
Between can be aligned in real time, with ensure long-range Terahertz communication system communication link it is real-time unobstructed.
As shown in Fig. 2 the first light path adjusting module 15 in the present embodiment includes the first dichroic mirror (Dichroic
Mirrors, is also called dichroscope) (Fast Steering Mirror are also called quick the 151, first rapid control reflector
Tilting mirror) 152 and second dichroic mirror 153, the first rapid control reflector 152 and the first control module 16 connect；Second light path
Adjusting module 25 includes the 3rd dichroic mirror 251, the second rapid control reflector 252 and the 4th dichroic mirror 253, the second quick control
The control module 26 of speculum 252 and second connects.
In the present embodiment, the operation principle of the first light path adjusting module is：
First terahertz signal and the first color laser signal are synthesized a branch of flashlight and are transmitted to by the first dichroic mirror
Flashlight is reflexed to the second dichroic mirror by the first rapid control reflector, the first rapid control reflector, and the second dichroic mirror will be believed
Number light reflexes to the first gain directional antenna；
Second color laser signal the second dichroic mirrors of Jing are transmitted through first laser receiver module, the first rapid control reflector
Controlled to adjust the reflection angle of itself by the first control module.
In the present embodiment, the operation principle of the second light path adjusting module is：
Flashlight beam splitting is the first terahertz signal and the first color laser signal by the 3rd dichroic mirror, and the first Terahertz is believed
, to the second rapid control reflector, the second rapid control reflector is by the first terahertz signal for number dichroic mirror Transflectives of Jing the 3rd
The 4th dichroic mirror is reflexed to, the first terahertz signal is reflexed to Terahertz receiver by the 4th dichroic mirror；
The dichroic mirrors of first color laser signal Jing the 3rd are transmitted through second laser receiver module, the second rapid control reflector
Controlled to adjust the reflection angle of itself by the second control module；
Successively the transmission of the dichroic mirrors of Jing the 4th, the reflection of the second rapid control reflector and the 3rd are double-colored for second color laser signal
Mirror reflects, and is transferred to the second gain directional antenna.
The present embodiment, rapid control reflector is controlled by control module and adjusts the reflection angle of itself, can be quick
The real-time adjustment in the direction of signal is launched gain directional antenna and is received in stable realization, so that terahertz sources device
Gain directional antenna and Terahertz reception device gain directional antenna can be aligned in real time, to ensure long-range Terahertz
The communication link of communication system it is real-time unobstructed, simple structure, be easily achieved, it is with low cost.
In the present embodiment, structured flowchart during long-range Terahertz communication system one-way transmission terahertz signal is illustrate only,
In a particular application, because Terahertz communication is typically a transmitted in both directions process, therefore, in a complete long-range Terahertz
In communication system, two sets of corresponding terahertz sources devices and Terahertz reception device must be included, due to operation principle and knot
Structure is identical, repeats no more in the present embodiment.
In an instantiation, based on light path principle, can be by the long-range Terahertz that provides above-described embodiment
, into two Terahertz transceivers, becoming one can for terahertz sources machine in communication system and Terahertz receiver equivalence replacement
The long-range Terahertz communication system of transmitted in both directions terahertz signal.
Filled arrows in all accompanying drawings of the utility model represent analog signal or digital data transmission direction, hollow arrow
Optical signal transmission direction, it is to be understood that because light path is reversible, therefore, in specific application, if there is actual need
Will, the transmission direction of optical signal can also be two-way.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of long-range Terahertz communication system, including terahertz sources device and Terahertz reception device, it is characterised in that institute
Terahertz sources device is stated including terahertz sources machine, the first gain directional antenna, first laser transmitter module, first laser
Receiver module, the first light path adjusting module and the first control module, the Terahertz reception device include Terahertz receiver, the
Two gain directional antennas, second laser transmitter module, second laser receiver module, the second light path adjusting module and the second control
Module；
First control module is connected respectively with the first laser receiver module and the first light path adjusting module, described
Second control module is connected respectively with the second laser receiver module and the second light path adjusting module；
The first terahertz signal of modulation, the first laser transmitter module transmitting first are passed through in the terahertz sources machine transmitting
Color laser signal, the first light path adjusting module closes first terahertz signal and the first color laser signal
Become a branch of flashlight and launched to the Terahertz reception device by first gain directional antenna；Described second is high
Gain directional antennas receive the flashlight and are first terahertz signal by the second light path adjusting module beam splitting
With the first color laser signal, the Terahertz receiver receives first terahertz signal and is demodulated, described
Second laser receiver module receives the first color laser signal, and second control module is according to first color laser
The signal strength signal intensity of signal controls the receiving side signal that the second light path adjusting module adjusts second gain directional antenna
To；
The second laser transmitter module is launched the second color laser signal and is transferred to by the second light path adjusting module
Second gain directional antenna, second gain directional antenna launches the second color laser signal to described
Terahertz sources device；First gain directional antenna receives the second color laser signal and passes through first light
Road adjusting module is transferred to the first laser receiver module, and first control module is according to the second color laser signal
Signal strength signal intensity control the signal direction of the launch that the first light path adjusting module adjusts first gain directional antenna.
2. Terahertz communication system as claimed in claim 1 long-range, it is characterised in that the first light path adjusting module includes
First dichroic mirror, the first rapid control reflector and the second dichroic mirror, first rapid control reflector and first control
Molding block connects；
First terahertz signal and the first color laser signal are synthesized a branch of flashlight by first dichroic mirror
And first rapid control reflector is transmitted to, the flashlight is reflexed to described by first rapid control reflector
The flashlight is reflexed to first gain directional antenna by two dichroic mirrors, second dichroic mirror；
Second dichroic mirror described in the second color laser signal Jing is transmitted through the first laser receiver module, and described first is fast
Speed control speculum is controlled to adjust the reflection angle of itself by first control module.
3. Terahertz communication system as claimed in claim 1 long-range, it is characterised in that the second light path adjusting module includes
3rd dichroic mirror, the second rapid control reflector and the 4th dichroic mirror, second rapid control reflector and second control
Molding block connects；
The flashlight beam splitting is first terahertz signal and the first color laser signal by the 3rd dichroic mirror,
3rd dichroic mirror Transflective described in the first terahertz signal Jing is to second rapid control reflector, and described second is fast
First terahertz signal is reflexed to the 4th dichroic mirror by speed control speculum, and the 4th dichroic mirror is by described first
Terahertz signal reflexes to the Terahertz receiver；
3rd dichroic mirror described in the first color laser signal Jing is transmitted through the second laser receiver module, and described second is fast
Speed control speculum is controlled to adjust the reflection angle of itself by second control module；
The second color laser signal successively described in Jing the 4th dichroic mirror transmission, second rapid control reflector reflection and
The 3rd dichroic mirror reflection, is transferred to second gain directional antenna.
4. Terahertz communication system as claimed in claim 1 long-range, it is characterised in that the face of the first color laser signal
Color is different with the color of the second color laser signal.
5. Terahertz communication system as claimed in claim 4 long-range, it is characterised in that the first color laser signal is ripple
The ruddiness of a length of 650nm, the second color laser signal are the green glow that wavelength is 532nm；
Or, the first color laser signal is that wavelength is for wavelength for the green glow of 532nm, the second color laser signal
The ruddiness of 650nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116246.6U CN206117672U (en) | 2016-10-11 | 2016-10-11 | Long -range terahertz is communication system now |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116246.6U CN206117672U (en) | 2016-10-11 | 2016-10-11 | Long -range terahertz is communication system now |
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| Publication Number | Publication Date |
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| CN206117672U true CN206117672U (en) | 2017-04-19 |
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ID=58528386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621116246.6U Active CN206117672U (en) | 2016-10-11 | 2016-10-11 | Long -range terahertz is communication system now |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068512A1 (en) * | 2016-10-11 | 2018-04-19 | 深圳市太赫兹科技创新研究院 | Remote terahertz communication system |
| CN109391330A (en) * | 2018-11-30 | 2019-02-26 | 宁波光舟通信技术有限公司 | Signal transmit-receive method, the apparatus and system of airborne receive-transmit system |
| CN109560874A (en) * | 2018-11-30 | 2019-04-02 | 宁波光舟通信技术有限公司 | Signal transmitting method, the apparatus and system of launched by airplane system |
| CN109560869A (en) * | 2018-11-30 | 2019-04-02 | 宁波光舟通信技术有限公司 | Signal acceptance method, the apparatus and system of airborne reception system |
| CN110611529A (en) * | 2019-09-20 | 2019-12-24 | 上海无线电设备研究所 | System for realizing integration of terahertz tracking and data relay communication |
-
2016
- 2016-10-11 CN CN201621116246.6U patent/CN206117672U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068512A1 (en) * | 2016-10-11 | 2018-04-19 | 深圳市太赫兹科技创新研究院 | Remote terahertz communication system |
| CN109391330A (en) * | 2018-11-30 | 2019-02-26 | 宁波光舟通信技术有限公司 | Signal transmit-receive method, the apparatus and system of airborne receive-transmit system |
| CN109560874A (en) * | 2018-11-30 | 2019-04-02 | 宁波光舟通信技术有限公司 | Signal transmitting method, the apparatus and system of launched by airplane system |
| CN109560869A (en) * | 2018-11-30 | 2019-04-02 | 宁波光舟通信技术有限公司 | Signal acceptance method, the apparatus and system of airborne reception system |
| CN110611529A (en) * | 2019-09-20 | 2019-12-24 | 上海无线电设备研究所 | System for realizing integration of terahertz tracking and data relay communication |
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