CN106027994A - Monitoring system based on terahertz communication - Google Patents
Monitoring system based on terahertz communication Download PDFInfo
- Publication number
- CN106027994A CN106027994A CN201610548244.2A CN201610548244A CN106027994A CN 106027994 A CN106027994 A CN 106027994A CN 201610548244 A CN201610548244 A CN 201610548244A CN 106027994 A CN106027994 A CN 106027994A
- Authority
- CN
- China
- Prior art keywords
- terahertz
- switch
- signal
- local oscillation
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention is applied to the field of monitoring, and provides a monitoring system based on terahertz communication. The monitoring system comprises cameras, access switches, aggregation switches and a core switch; multiple cameras are connected to one of the access switches correspondingly via category 5 network cables; multiple access switches are connected to one of the aggregation switches via the category 5 network cables; and the multiple aggregation switches are in wireless communication with the core switch via terahertz wave. According to the monitoring system based on the terahertz communication provided by the invention, by adopting the terahertz wave, the data transmission between the core switch and the multiple aggregation switches of the monitoring system is realized, the communication efficiency can be effectively improved, the communication quality is improved, a high-level switch port of the monitoring system can be connected to more video management devices, more monitoring services are expanded, and the wiring number can be effectively reduced.
Description
Technical field
The invention belongs to monitoring field, particularly relate to a kind of monitoring system based on Terahertz communication.
Background technology
Safety defense monitoring system is to utilize video technique detection and supervision to set up defences region, sets with display in real time, record
The electronic system of the image in anti-region or network.In large-scale safety defense monitoring system, generally use on hundred
Thousand road network video cameras, require video camera to carry out administration by different levels to realize business according to the monitoring management of user
The monitoring in the regions such as business building, large-scale community, factory.
But, existing safety defense monitoring system generally uses five class netting twines to transmit the monitoring number of video camera shooting
According to, cause when number of cameras is more or selects high-resolution video camera to be monitored, due to data
Measure excessive and make the efficiency of transmission of data reduce and connect up complexity.
Summary of the invention
It is an object of the invention to provide a kind of monitoring system based on Terahertz communication, it is intended to solve existing
Safety defense monitoring system generally uses five class netting twines to transmit the monitoring data of video camera shooting, causes working as video camera
When quantity is more or selects high-resolution video camera to be monitored, owing to data volume is excessive and make data
Efficiency of transmission reduce and connect up complexity problem.
The present invention is achieved in that a kind of monitoring system based on Terahertz communication, described monitoring system bag
Include video camera, access switch, convergence switch and core switch；
Multiple described video cameras by five class netting twine correspondences connect described access switch, multiple described in connect
Entering switch and connect a described convergence switch by five class netting twine correspondences, multiple described convergence switches lead to
Cross THz wave and a described core switch radio communication；
Described access switch obtains the monitoring data of connected video camera shooting, and encodes and adjust
System is processed as the first intermediate-freuqncy signal and exports to connected convergence switch；Described convergence switch input with
First intermediate-freuqncy signal of access switch output that it connects, and to carry out Frequency mixing processing be the first Terahertz radio frequency
Signal is transmitted to the core switch with its radio communication；Described core switch receives and its radio communication
The first Terahertz radiofrequency signal that convergence switch is launched, and carry out being mixed, demodulation and decoding processes and obtains institute
State monitoring data.
Preferably, described access switch includes code modulation module；
Described code modulation module obtains the monitoring data of the video camera shooting being connected with described access switch,
And carry out coding and modulation treatment is that the first intermediate-freuqncy signal exports and hands over to the convergence that is connected with described access switch
Change planes.
Preferably, described code modulation module includes source coding unit and is connected with described source coding unit
Modulating unit；
The monitoring data that the video camera being connected with described access switch shoots are carried out by described source coding unit
Exporting to described modulating unit after coded treatment, the monitoring data after coded treatment are entered by described modulating unit
Row modulation treatment obtains described first intermediate-freuqncy signal.
Preferably, described convergence switch includes terahertz sources machine；
Wherein, described terahertz sources machine includes being sequentially connected with the first local oscillator traffic filter, the most humorous
Wave mixing device and the first radio-frequency signal filters；
Described first local oscillator traffic filter accesses the first local oscillation signal, and exports to institute after carrying out Filtering Processing
State harmonic mixer for the first time；Described first time harmonic mixer is by filtered first local oscillation signal and described
It is the first Terahertz radiofrequency signal that first intermediate-freuqncy signal of convergence switch input carries out Frequency mixing processing, and exports
To described first radio-frequency signal filters；Described first radio-frequency signal filters is to described first time harmonic mixing
First Terahertz radiofrequency signal of device output is transmitted to and described convergence switch radio communication after being filtered
Core switch.
Preferably, described first local oscillator traffic filter and described first radio-frequency signal filters are the logical filter of band
Ripple device.
Preferably, described terahertz sources machine also includes being sequentially connected with the first doubler, the first amplifier,
First local oscillator signal isolator and the first low noise amplifier being sequentially connected with and the first radio frequency signal isolator,
The output of described first local oscillator signal isolator terminates the input of described first local oscillator traffic filter, described
The input of the first low noise amplifier terminates the outfan of described first radio-frequency signal filters；
Described first local oscillation signal is successively through described first doubler, described first amplifier and described first
After the frequency multiplication of signal isolator, amplification and the isolation processing of shaking, output is to described first local oscillator traffic filter, institute
The the first Terahertz radiofrequency signal exported after stating the first radio-frequency signal filters filtering is successively through described first low noise
It is transmitted to after amplifier and the amplification of described first radio frequency signal isolator and isolation processing and described converges exchange
The core switch of machine radio communication.
Preferably, described core switch includes Terahertz receiver and is connected with described Terahertz receiver
Demodulating and decoding module；
Wherein, described Terahertz receiver include the second local oscillation signal wave filter and with described second local oscillation signal
The second time harmonic mixer that wave filter connects；
Described second local oscillation signal wave filter accesses the second local oscillation signal, and exports to institute after carrying out Filtering Processing
State second time harmonic mixer；Described second time harmonic mixer by filtered second local oscillation signal and with institute
First Terahertz radiofrequency signal of the convergence switch transmitting stating core switch radio communication carries out Frequency mixing processing
Being the second intermediate-freuqncy signal, described second intermediate-freuqncy signal is demodulated and decoding process by described demodulating and decoding module
Obtain monitoring data.
Preferably, described demodulating and decoding module includes the second demodulating unit and is connected with described second demodulating unit
The second decoding unit；
The second intermediate-freuqncy signal that described Terahertz receiver exports is demodulated processing by described second demodulating unit
Rear output is to described second decoding unit, and described second decoding unit is by the second intermediate frequency letter after demodulation process
Number being decoded process obtains described monitoring data.
Preferably, described second local oscillation signal wave filter is band filter.
Preferably, described Terahertz receiver also includes being sequentially connected with the second doubler, the second amplifier,
Second local oscillation signal isolator and the second low noise amplifier being sequentially connected with and the second radio frequency signal isolator,
The output of described second local oscillation signal isolator terminates the input of described second local oscillation signal wave filter, described
The input of the second low noise amplifier terminates described second time harmonic mixer；
Described second local oscillation signal is successively through described second doubler, described second amplifier and described second
Output extremely described second local oscillation signal wave filter after the frequency multiplication of signal isolator, amplification and the isolation processing of shaking, with
The first Terahertz radiofrequency signal that the convergence switch of described core switch radio communication is launched is successively through described
After second low noise amplifier and the amplification of described second radio frequency signal isolator and isolation processing, output is to the most described
Harmonic mixer for the second time.
Compared with prior art, it has the beneficial effects that the present invention:
By using THz wave to realize between the core switch of monitoring system and multiple convergence switch
Data are transmitted, and can be effectively improved communication efficiency, improve communication quality, make the Higher layer switch machine end of monitoring system
Mouth can connect more video management equipment, extends more monitoring business and be effectively reduced wiring number
Amount.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the monitoring system based on Terahertz communication that the embodiment of the present invention one provides；
Fig. 2 is the application schematic diagram of the monitoring system based on Terahertz communication that the embodiment of the present invention one provides；
Fig. 3 is the structured flowchart of the monitoring system based on Terahertz communication that the embodiment of the present invention two provides；
Fig. 4 is the structured flowchart of the terahertz sources machine that the embodiment of the present invention two provides；
Fig. 5 is the structured flowchart of the Terahertz receiver that the embodiment of the present invention two provides；
Fig. 6 is the structured flowchart of the terahertz sources machine that the embodiment of the present invention three provides；
Fig. 7 is the structured flowchart of the Terahertz receiver that the embodiment of the present invention three provides；
Fig. 8 is the structured flowchart of the access switch that the embodiment of the present invention four provides；
Fig. 9 is the structured flowchart of the core switch that the embodiment of the present invention four provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
In order to explain the present invention, it is not intended to limit the present invention.
Embodiment one:
As it is shown in figure 1, this enforcement provide based on Terahertz communication monitoring system, including video camera 10,
Access switch 20, convergence switch 30 and core switch 40.
Multiple described video cameras 10 connect an access switch 20, multiple accesses by five class netting twine correspondences
Switch 20 connects a convergence switch 30 by five class netting twine correspondences, and multiple convergence switches 30 pass through
THz wave and core switch 40 radio communication.
In a particular application, video camera 10, access switch 20, convergence switch 30 and core switch
The quantity of 40 specifically can set, in some feelings according to the size in actual monitoring region and other monitoring requirements
Under condition, video camera 10, access switch 20, the quantity of convergence switch 30 may each be one or two
Being not limited to multiple, the quantity of core switch 40 can also be two or more.
Access switch 20 obtain connected video camera 10 shooting monitoring data, and carry out coding and
Modulation treatment is that the first intermediate-freuqncy signal exports to connected convergence switch 30；Convergence switch 30 is defeated
Enter the first intermediate-freuqncy signal of connected access switch 20 output, and to carry out Frequency mixing processing be the first terahertz
Hereby emission of radio frequency signals gives the core switch 40 with its radio communication；Core switch 40 receives and its nothing
The first Terahertz radiofrequency signal that the convergence switch 20 of line communication is launched, and carry out being mixed, demodulating and decoding
Process obtains described monitoring data.
In a particular application, core switch 40 obtains the control signal of user's input, and passes through wireless signal
Transmitting equipment is transmitted to the convergence switch 30 with its radio communication；Convergence switch 30 receives wireless with it
Core switch 40 emissioning controling signal of communication, output is to connected access switch 20；Access
Switch 20 inputs the control signal of connected convergence switch 30 output and exports to connected
Video camera 10.
In the present invention, acquiescence uses the equipment bags such as core switch and the convergence switch of communication communication
Include the antenna for receiving and launch wireless signal, be not specifically described in this enforcement.In the present embodiment,
Using 0.14THz ring Jiao's poliarizing antenna, its gain is 51dB, and a diameter of 320mm of antenna parabola connects
Mouth is WR6 rectangular waveguide.
The core switch that the present embodiment realizes monitoring system by using THz wave converges exchange with multiple
Data transmission between machine, can be effectively improved communication efficiency, improve communication quality, make the exchange of monitoring system
Machine port can connect more video camera, extends more monitoring business and be effectively reduced wiring quantity.
As in figure 2 it is shown, be the present embodiment provide based on Terahertz communication monitoring system in a particular application
Application schematic diagram.
In the present embodiment, set described monitoring system and be applied to include the monitoring region of many buildings, every
Building includes multiple floor, in order to illustrate conveniently only to illustrate three buildings in this enforcement, and specifically illustrates
The wherein facilities of video camera, access switch and the convergence switch in three floors of a building.
As in figure 2 it is shown, the one of First building layer, two layers and N shell are provided with multiple video camera (this
In order to illustrate conveniently only illustrating six video cameras every time in embodiment), the video camera of every floor is all by five
Class netting twine is connected with the access switch being arranged on this floor, and the access switch of a layer, two layers and N shell is then
It is connected with the convergence switch being arranged on one layer of First building by five class netting twines, second and Building N
The facilities of video camera, access switch and convergence switch in building is similar with First；
All video cameras that bed rearrangement is all built by the convergence switch of many buildings by Terahertz communication mode
The monitoring data of shooting are transmitted to be positioned at the core switch of Surveillance center, so that the staff of Surveillance center
By core switch, many buildings can be monitored；
Want the video camera in many buildings is controlled as the staff of Surveillance center in a particular application
Time processed, the convergence switch in many buildings can be given by core switch transmitting wireless control signal, then
The access switch of each floor is given by five class network cable transmissions, eventually through access switch by convergence switch
It is transferred to corresponding video camera, to realize the control to video camera.
Embodiment two:
As it is shown on figure 3, in the present embodiment, access switch 20 includes code modulation module 21, converges
Switch 30 include terahertz sources machine 31, core switch 40 include Terahertz receiver 41 and with too
The demodulating and decoding module 42 that hertz receiver 41 connects.
As shown in Figure 4, in the present embodiment, terahertz sources machine 31 includes the first local oscillator letter being sequentially connected with
Number wave filter 311, for the first time harmonic mixer 312 and the first radio-frequency signal filters 313.
As it is shown in figure 5, in the present embodiment, Terahertz receiver 41 includes the second local oscillation signal wave filter
411 and the second time harmonic mixer 412 that is connected with the second local oscillation signal wave filter 411.
In one embodiment, described first local oscillator traffic filter, described first radio-frequency signal filters and institute
State the second local oscillation signal wave filter and be band filter.
In the present embodiment, the monitoring data that video camera 10 is shot by convergence switch 30 are transmitted to core and hand over
Change planes 40 principle as follows:
Code modulation module 21 obtains the monitoring data of video camera 10 shooting being connected with access switch 21,
And carry out coding and modulation treatment be the first intermediate-freuqncy signal export to is connected with access switch 20 convergence friendship
Change planes 30；
Described first local oscillator traffic filter accesses the first local oscillation signal, and exports to institute after carrying out Filtering Processing
State harmonic mixer for the first time；Described first time harmonic mixer is by filtered first local oscillation signal and described
It is the first Terahertz radiofrequency signal that first intermediate-freuqncy signal of convergence switch 30 input carries out Frequency mixing processing, and defeated
Go out to described first radio-frequency signal filters；Described first time harmonic wave is mixed by described first radio-frequency signal filters
First Terahertz radiofrequency signal of device output frequently is transmitted to and convergence switch 30 radio communication after being filtered
Core switch 40；
Described second local oscillation signal wave filter accesses the second local oscillation signal, and exports to institute after carrying out Filtering Processing
State second time harmonic mixer；Described second time harmonic mixer is by filtered second local oscillation signal and and core
The first Terahertz radiofrequency signal that the convergence switch 30 of heart switch 40 radio communication is launched is carried out at mixing
Reason is the second intermediate-freuqncy signal, and described second intermediate-freuqncy signal is demodulated and at decoding by described demodulating and decoding module
Reason obtains monitoring data.
In the present embodiment, first, second parts being intended merely to principle in distinct device is identical with structure are carried out
Distinguish, do not have essence implication.
In a particular application, convergence switch can also include Terahertz receiver, is used for receiving other terahertzs
The terahertz signal that hereby transmitter sends, its operation principle is identical with above-mentioned Terahertz receiver；Core exchanges
Machine can also include terahertz sources machine, is used for other Terahertz receiver emission terahertz signals, its
Operation principle is identical with above-mentioned terahertz sources machine.
Th harmonic mixer in the present embodiment is 0.14THZ second harmonic based on Schottky diode mixing
Device, the loss of its up-conversion is 7dB, and down coversion loss is 13dB, carries a width of 10GHz；Terahertz sources machine
Being 32.4GHz with the frequency of the local oscillation signal of Terahertz receiver input, power is-5dBm；In Shu Ru
Frequently the frequency of signal is 6GHz, and power is-5dBm；The mid frequency of the intermediate-freuqncy signal of output is respectively
The lower sideband of 135.6GHz and 123.6GHz (bandwidth is 3.6GHz).
Embodiment three:
As shown in Figure 6, in the present embodiment, terahertz sources machine 31 also includes the first frequency multiplication being sequentially connected with
Device the 314, first amplifier the 315, first local oscillator signal isolator 316 and the first LNA being sequentially connected with
Big device 317 and the first radio frequency signal isolator 318, the output of the first local oscillator signal isolator 316 terminates institute
Stating the input of the first local oscillator traffic filter 311, the input of described first low noise amplifier 317 terminates institute
State the outfan of the first radio-frequency signal filters 313.
Described first local oscillation signal is successively through described first doubler 314, described first amplifier 315 and institute
After stating frequency multiplication, amplification and the isolation processing of the first local oscillator signal isolator 316, output is to described first local oscillator letter
Number wave filter 311, the first Terahertz radio frequency letter of output after described first radio-frequency signal filters 313 filtering
Number successively through described first low noise amplifier 317 and the amplification of described first radio frequency signal isolator 318 and every
It is transmitted to and the core switch 40 of convergence switch 30 radio communication after processing.
As it is shown in fig. 7, in the present embodiment, described Terahertz receiver 41 also includes second be sequentially connected with
Doubler the 413, second amplifier the 414, second local oscillation signal isolator 415 and be sequentially connected with second low
Make an uproar amplifier 416 and the second radio frequency signal isolator 417, described second local oscillation signal isolator 415 defeated
Go out the input terminating described second local oscillation signal wave filter 411, described second low noise amplifier 416 defeated
Enter the input terminating described second time harmonic mixer 412.
Described second local oscillation signal is successively through described second doubler 413, described second amplifier 414 and institute
After stating frequency multiplication, amplification and the isolation processing of the second local oscillation signal isolator 415, output is to described second local oscillator letter
Number wave filter 411, with the convergence switch 30 of described core switch 40 radio communication launch first too
Hertz radiofrequency signal is successively through described second low noise amplifier 417 and described second radio frequency signal isolator 416
Amplification and isolation processing after, output is to described second time harmonic mixer 412.
In the present embodiment, by signal is carried out frequency multiplication, amplification and isolation processing, signal matter can be effectively improved
Amount, reduction loss.
Embodiment four:
As shown in Figure 8, in the monitoring system based on Terahertz communication that the present embodiment provides, coded modulation
Module 21 includes source coding unit 211 and the modulating unit 212 being connected with described source coding unit 211.
As it is shown in figure 9, in the monitoring system based on Terahertz communication that the present embodiment provides, demodulating and decoding
Module 42 includes demodulating unit 421 and the decoding unit 422 being connected with described demodulating unit 421.
The monitoring number that the video camera 10 being connected with described access switch 20 is shot by source coding unit 211
According to exporting to described modulating unit 212 after carrying out coded treatment, described modulating unit 212 by coded treatment it
After monitoring data be modulated process and obtain described first intermediate-freuqncy signal.
After the second intermediate-freuqncy signal that described Terahertz receiver 41 exports is demodulated processing by demodulating unit 421
Output is to described decoding unit 422, and described decoding unit 422 is by the second intermediate-freuqncy signal after demodulation process
It is decoded process and obtains described monitoring data.
In a particular application, source coding unit 211 the monitoring data that video camera 10 shoots are carried out RS (204,
188) message sink coding, single frames code length is that 2Mbit modulating unit 212 is by the monitoring data modulation after coding
For 16QAM baseband signal；16QAM baseband signal is demodulated by demodulating unit 421, decoding unit
Signal after 422 pairs of demodulation carries out RS (204,188) coding and decoding, obtains monitoring data.
In the present embodiment, by signal is carried out RS (204,188) encoding and decode and 16QAM changing
Connect modulation and demodulation, can effectively reduce the bit error rate of system, improve communication quality.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. a monitoring system based on Terahertz communication, it is characterised in that described monitoring system includes shooting
Machine, access switch, convergence switch and core switch；
Multiple described video cameras by five class netting twine correspondences connect described access switch, multiple described in connect
Entering switch and connect a described convergence switch by five class netting twine correspondences, multiple described convergence switches lead to
Cross THz wave and a described core switch radio communication；
Described access switch obtains the monitoring data of connected video camera shooting, and encodes and adjust
System is processed as the first intermediate-freuqncy signal and exports to connected convergence switch；Described convergence switch input with
First intermediate-freuqncy signal of access switch output that it connects, and to carry out Frequency mixing processing be the first Terahertz radio frequency
Signal is transmitted to the core switch with its radio communication；Described core switch receives and its radio communication
The first Terahertz radiofrequency signal that convergence switch is launched, and carry out being mixed, demodulation and decoding processes and obtains institute
State monitoring data.
2. as claimed in claim 1 monitoring system based on Terahertz communication, it is characterised in that described in connect
Enter switch and include code modulation module；
Described code modulation module obtains the monitoring data of the video camera shooting being connected with described access switch,
And carry out coding and modulation treatment is that the first intermediate-freuqncy signal exports and hands over to the convergence that is connected with described access switch
Change planes.
3. the monitoring system communicated based on Terahertz as claimed in claim 2, it is characterised in that described volume
Code modulation module includes source coding unit and the modulating unit being connected with described source coding unit；
The monitoring data that the video camera being connected with described access switch shoots are carried out by described source coding unit
Exporting to described modulating unit after coded treatment, the monitoring data after coded treatment are entered by described modulating unit
Row modulation treatment obtains described first intermediate-freuqncy signal.
4. the monitoring system communicated based on Terahertz as claimed in claim 1, it is characterised in that described remittance
Poly-switch includes terahertz sources machine；
Wherein, described terahertz sources machine includes being sequentially connected with the first local oscillator traffic filter, the most humorous
Wave mixing device and the first radio-frequency signal filters；
Described first local oscillator traffic filter accesses the first local oscillation signal, and exports to institute after carrying out Filtering Processing
State harmonic mixer for the first time；Described first time harmonic mixer is by filtered first local oscillation signal and described
It is the first Terahertz radiofrequency signal that first intermediate-freuqncy signal of convergence switch input carries out Frequency mixing processing, and exports
To described first radio-frequency signal filters；Described first radio-frequency signal filters is to described first time harmonic mixing
First Terahertz radiofrequency signal of device output is transmitted to and described convergence switch radio communication after being filtered
Core switch.
5. as claimed in claim 4 monitoring system based on Terahertz communication, it is characterised in that described the
One local oscillation signal wave filter and described first radio-frequency signal filters are band filter.
6. as claimed in claim 4 monitoring system based on Terahertz communication, it is characterised in that described too
The first doubler that hertz transmitter also includes being sequentially connected with, the first amplifier, the first local oscillator signal isolator
And the first low noise amplifier of being sequentially connected with and the first radio frequency signal isolator, described first local oscillation signal every
Output from device terminates the input of described first local oscillator traffic filter, described first low noise amplifier defeated
Enter the outfan terminating described first radio-frequency signal filters；
Described first local oscillation signal is successively through described first doubler, described first amplifier and described first
After the frequency multiplication of signal isolator, amplification and the isolation processing of shaking, output is to described first local oscillator traffic filter, institute
The the first Terahertz radiofrequency signal exported after stating the first radio-frequency signal filters filtering is successively through described first low noise
It is transmitted to after amplifier and the amplification of described first radio frequency signal isolator and isolation processing and described converges exchange
The core switch of machine radio communication.
7. the monitoring system communicated based on Terahertz as claimed in claim 1, it is characterised in that described core
Heart switch includes Terahertz receiver and the demodulating and decoding module being connected with described Terahertz receiver；
Wherein, described Terahertz receiver include the second local oscillation signal wave filter and with described second local oscillation signal
The second time harmonic mixer that wave filter connects；
Described second local oscillation signal wave filter accesses the second local oscillation signal, and exports to institute after carrying out Filtering Processing
State second time harmonic mixer；Described second time harmonic mixer by filtered second local oscillation signal and with institute
First Terahertz radiofrequency signal of the convergence switch transmitting stating core switch radio communication carries out Frequency mixing processing
Being the second intermediate-freuqncy signal, described second intermediate-freuqncy signal is demodulated and decoding process by described demodulating and decoding module
Obtain monitoring data.
8. the monitoring system communicated based on Terahertz as claimed in claim 7, it is characterised in that described solution
Decoder module is adjusted to include the second demodulating unit and the second decoding unit being connected with described second demodulating unit；
The second intermediate-freuqncy signal that described Terahertz receiver exports is demodulated processing by described second demodulating unit
Rear output is to described second decoding unit, and described second decoding unit is by the second intermediate frequency letter after demodulation process
Number being decoded process obtains described monitoring data.
9. as claimed in claim 7 monitoring system based on Terahertz communication, it is characterised in that described the
Two local oscillation signal wave filter are band filter.
10. as claimed in claim 7 monitoring system based on Terahertz communication, it is characterised in that described too
The second doubler that hertz receiver also includes being sequentially connected with, the second amplifier, the second local oscillation signal isolator
And the second low noise amplifier of being sequentially connected with and the second radio frequency signal isolator, described second local oscillation signal every
Output from device terminates the input of described second local oscillation signal wave filter, described second low noise amplifier defeated
Enter to terminate described second time harmonic mixer；
Described second local oscillation signal is successively through described second doubler, described second amplifier and described second
Output extremely described second local oscillation signal wave filter after the frequency multiplication of signal isolator, amplification and the isolation processing of shaking, with
The first Terahertz radiofrequency signal that the convergence switch of described core switch radio communication is launched is successively through described
After second low noise amplifier and the amplification of described second radio frequency signal isolator and isolation processing, output is to the most described
Harmonic mixer for the second time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548244.2A CN106027994B (en) | 2016-07-12 | 2016-07-12 | Monitoring system based on terahertz communication |
| PCT/CN2016/094501 WO2018010242A1 (en) | 2016-07-12 | 2016-08-11 | Monitoring system based on terahertz communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548244.2A CN106027994B (en) | 2016-07-12 | 2016-07-12 | Monitoring system based on terahertz communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106027994A true CN106027994A (en) | 2016-10-12 |
| CN106027994B CN106027994B (en) | 2019-12-17 |
Family
ID=57108868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610548244.2A Active CN106027994B (en) | 2016-07-12 | 2016-07-12 | Monitoring system based on terahertz communication |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106027994B (en) |
| WO (1) | WO2018010242A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665065A (en) * | 2012-04-20 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Peer monitoring method and system based on terahertz wireless communication |
| CN103780429A (en) * | 2014-01-20 | 2014-05-07 | 浙江宇视科技有限公司 | Method and device for adjusting working speed of switch interfaces |
| CN205829877U (en) * | 2016-07-12 | 2016-12-21 | 深圳市太赫兹科技创新研究院 | A kind of monitoring system based on Terahertz communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722147A (en) * | 2012-05-24 | 2012-10-10 | 广东明阳风电产业集团有限公司 | Intelligent remote security monitoring system for offshore wind generating set |
-
2016
- 2016-07-12 CN CN201610548244.2A patent/CN106027994B/en active Active
- 2016-08-11 WO PCT/CN2016/094501 patent/WO2018010242A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665065A (en) * | 2012-04-20 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Peer monitoring method and system based on terahertz wireless communication |
| CN103780429A (en) * | 2014-01-20 | 2014-05-07 | 浙江宇视科技有限公司 | Method and device for adjusting working speed of switch interfaces |
| CN205829877U (en) * | 2016-07-12 | 2016-12-21 | 深圳市太赫兹科技创新研究院 | A kind of monitoring system based on Terahertz communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106027994B (en) | 2019-12-17 |
| WO2018010242A1 (en) | 2018-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207753719U (en) | A kind of communication system based on WiFi Yu LiFi mixed types | |
| CN108768434A (en) | A kind of radio circuit, terminal and signal emission control method | |
| CN103684529B (en) | Method for transmitting signals and device | |
| CN104092526B (en) | Multi-carrier communicating method and device for TDD mode MIMO wireless communicating system | |
| CN109756244B (en) | Unmanned aerial vehicle data link system architecture device aiming at data transmission asymmetry | |
| CN107819490A (en) | A kind of pulse ultra-broad band Terahertz receives and dispatches framework | |
| CN104158561B (en) | A kind of HF frequency hopping processing method | |
| CN205829877U (en) | A kind of monitoring system based on Terahertz communication | |
| CN202798692U (en) | Eight GHz fully outdoor internet protocol (IP) digital microwave unit and radio frequency unit thereof | |
| CN208079266U (en) | A kind of WirelessHD image transmission system | |
| CN109194401A (en) | A kind of visible light communication system and communication means with function of keeping secret | |
| CN207652420U (en) | A kind of microwave transport equipment being compatible with a variety of transmission systems | |
| CN106027994A (en) | Monitoring system based on terahertz communication | |
| CN206195767U (en) | SPI interface thing networking wireless transceiver based on lora modulation mode | |
| US20200119948A1 (en) | System and method for transmission of video and controller area network (can) data over a power slip ring assembly | |
| CN207369040U (en) | A kind of MIMO indoor visible light communication systems based on DSP | |
| CN204633941U (en) | A kind of unmanned plane high-resolution remote low delay Wireless Image Transmission Systems | |
| CN206658201U (en) | A kind of multi-functional mixed duplexing transceiver of biography | |
| CN110392451A (en) | Base station system | |
| CN204669539U (en) | A kind of airborne communication terminal | |
| CN201584966U (en) | System utilizing coaxial cable to transmit mixed signal | |
| CN114614895A (en) | Signal transmission method, multi-port repeater, radio remote unit and distribution system | |
| CN104467883B (en) | General type 12.7-13.4 GHz full outdoor broadband IP digital microwave radio frequency unit | |
| CN103366548B (en) | Interactive Set Top Box remote infrared controller and control method | |
| CN209517144U (en) | A kind of visible light communication system with function of keeping secret |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210630 Granted publication date: 20191217 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230421 Granted publication date: 20191217 |
|
| PD01 | Discharge of preservation of patent | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230725 Address after: 518000 East Side of 2nd Floor, Building 37, Chentian Industrial Zone, Baotian 1st Road, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN THZ SCIENCE AND TECHNOLOGY INNOVATION INSTITUTE Patentee after: Shenzhen Huaxun ark Photoelectric Technology Co.,Ltd. Address before: 518102 east side of the second floor, building 37, chentian Industrial Zone, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN THZ SCIENCE AND TECHNOLOGY INNOVATION INSTITUTE Patentee before: CHINA COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |