CN207995090U - Dual mode satellite beacon reception module - Google Patents
Dual mode satellite beacon reception module Download PDFInfo
- Publication number
- CN207995090U CN207995090U CN201820452061.5U CN201820452061U CN207995090U CN 207995090 U CN207995090 U CN 207995090U CN 201820452061 U CN201820452061 U CN 201820452061U CN 207995090 U CN207995090 U CN 207995090U
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- satellite
- beacon
- amplifier
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- 230000009977 dual effect Effects 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 17
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model provides a kind of dual mode satellite beacon reception module, belongs to technical field of satellite communication, including：First amplifier, the first power divider, the second amplifier, DVB units, the first frequency mixer, the first local oscillator, first filter, the second frequency mixer, the second local oscillator, second filter, the second power divider, wave detector, DSP and control unit；To being respectively sent to beacon element and DVB units after the LNB down-conversion signal work(point of satellite-signal, after beacon element filters the beacon signal received, then after primary mixing and processing, secondary mixing and processing, intermediate frequency detection is carried out, power-level detector is exported；DVB element keeps track satellite carriers；Its anti-interference height, good linearity, high sensitivity, fast response time, low in energy consumption, size is small, light-weight；Target satellite can not only be tracked, target satellite can also be accurately identified in the case where multi-beacon interferes, prevent tracking error.
Description
Technical field
The utility model is related to technical field of satellite communication, in particular to a kind of dual mode satellite beacon reception module.
Background technology
With the development of satellite technology, satellite communication is gradually to high band, large capacity, digitlization, broadband, service integration
Change direction to develop.Satellite emergency communication system will also make full use of these technical advantages, be provided more efficiently and effectively for people
Emergency mode.Requirement of the people for emergency communication ability is also being continuously improved, and satellite emergency communication system should be able to provide
High transfer rate is comprehensive emergent logical with business such as voice, image, real-time video monitoring, video conference, scheduling, positioning
Believe platform.Future Satellite emergency communication, either user terminal or primary base station, it is the integrated level of equipment, intelligence, small
Type, adaptiveization degree meeting higher are safeguarded and easier using operation meeting.With communication, broadcast, navigation, positioning, gas
As the spacebased system that a variety of satellites such as, earth observation are constituted, by with the telephone network on ground, cable television network and computer network, width
Broad-band wireless access net, emergent dedicated network etc. combine together, to be configured to the emergency cooperative communication system of Incorporate,
The ways and means of our emergency communication guarantees can be made more flexible effectively.Satellite beacon currently on the market is received using multiple
Frequency conversion and the relatively discrete mode of component realize function；Existing satellite beacon receiver does not have can either tracking satellite letter
The ability of identification satellite is susceptible to mark when specified satellite nearby has identical beacon or other interference signals again simultaneously
The case where tracking error；Two kinds of satellite beacon receivers of notification number CN101330311A and CN201197142Y publicity, are all logical
Double conversion will fade to 70M or so intermediate-freuqncy signal under L-band signal is crossed, then carries out detection again, finally obtains and believes with input
The output voltage values of number amplitude proportional, are amplified signals at different levels by the way of simulation and are filtered, the realization of local oscillator
Mode is using DDS as a reference to changing local frequency, implements more complicated, device is more, and cost of implementation is higher, ruler
It is very little larger, multiple satellite-signals are received at the same time and do not have satellite recognition capability.
Utility model content
The utility model aims to solve at least one of above-mentioned technical problems existing in the prior art or related technologies, provides
A kind of dual mode satellite beacon reception module, can not only track target satellite, can also be accurate in the case where multi-beacon interferes
Really identification target satellite, prevents tracking error.
The utility model is to be achieved by the following technical programs：A kind of dual mode satellite beacon reception module, including：It connects
Carrier wave in the work(subdivision of receipts input signal, the beacon element of the beacon signal in processing input signal, processing input signal
DVB units of signal and according to beacon signal and/or the control unit of carrier signal tracking satellite；Work(subdivision is separately connected
The input terminal of the input terminal and DVB units of beacon element, control unit and the output end of DVB units and the output of beacon element
End connection.
According to dual mode satellite beacon reception module provided by the utility model, it is preferable that work(subdivision includes the first amplification
Device, the first power divider；Beacon element includes the second amplifier, the first frequency mixer, the first local oscillator, first filter, second
Frequency mixer, the second local oscillator, second filter, third amplifier, the second power divider, wave detector and DSP；Wherein, it first puts
The input terminal of big device receives the LNB down-conversion signals of satellite, and output end accesses the input terminal of the first power divider；First power
The output end of distributor connects the input terminal of the input terminal and DVB units of the second amplifier；The input terminal of first frequency mixer connects
The output end of second amplifier, output end connect the input terminal of first filter；The output end connection second of first filter is mixed
The input terminal of frequency device；The input terminal of the output end connection second filter of second frequency mixer；The output end of second filter connects
The input terminal of third amplifier；The output end of the input terminal connection third amplifier of second power divider, output end connection inspection
The input terminal of wave device and the input terminal of DSP；The input terminal of the output end connection control unit of wave detector；The output end of DSP connects
Control unit；The output end of DVB units connects control unit；The digital signal of control unit output tracking satellite.
According to dual mode satellite beacon reception module provided by the utility model, it is preferable that in the first local oscillator and the second local oscillator
Between be provided with frequency control loop, implement tuning and frequency-tracking.
The beneficial effects of the utility model include at least：
Can by way of tracking satellite beacon tracking satellite, can also be tracked and be defended in a manner of tracking satellite carrier wave
Star, the maximum vacancy for compensating for current Radio Beacon market realize that carrier wave seeks the tracking mode of star；Numerical analysis can also be passed through
Method identification beacon and non-beacon, overcome and seek the defect that star is susceptible to tracking error in a manner of energy detection.
Description of the drawings
Fig. 1 shows the schematic block diagram of the dual mode satellite beacon reception module according to the utility model embodiment.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.
As shown in Figure 1, the utility model provides a kind of dual mode satellite beacon reception module, including：DVB units (DVB),
Control unit, the work(subdivision being made of the first amplifier (amplification 1) and the first power divider (work(point 1), by the second amplification
Device (amplification 2), the first frequency mixer (mixing 1), the first local oscillator (local oscillator 1), first filter (filtering 1), (mixing of the second frequency mixer
2), the second local oscillator (local oscillator 2), second filter (filtering 2), third amplifier (amplification 3), the second power divider (work(point 2),
The beacon element of wave detector (detection) and DSP (Digital Signal Processing) compositions；Wherein, the input terminal of the first amplifier receives satellite
LNB down-conversion signals, output end access the first power divider input terminal；The output end connection the of first power divider
The input terminal of the input terminal and DVB units of two amplifiers；The input terminal of first frequency mixer connects the output end of the second amplifier, defeated
Outlet connects the input terminal of first filter；The output end of first filter connects the input terminal of the second frequency mixer；Second mixing
The input terminal of the output end connection second filter of device；The input terminal of the output end connection third amplifier of second filter；The
The output end of the input terminal connection third amplifier of two power dividers, the input terminal of output end tie geophone and DSP's is defeated
Enter end；The input terminal of the output end connection control unit of wave detector；The output end of DSP connects control unit；The output of DVB units
End connection control unit；The digital signal of control unit output tracking satellite；It is provided between the first local oscillator and the second local oscillator
Frequency control loop implements tuning and frequency-tracking.
Dual mode satellite beacon reception module disclosed by the utility model is mainly applied to satellite communication industry, satellite communication
Earth station, communication in moving, the servo-control system in satellite emergency communication can correctly demodulate satellite beacon signals and feed back to and watch
Dress system, servo-drive system make antenna be directed toward satellite always, and link of keeping in communication is unimpeded；Its course of work includes：To satellite letter
Number LNB down-conversion signal work(point after, after giving beacon element and DVB units, beacon element that the beacon received is filtered respectively, then
Through being once mixed and handling, after secondary mixing and processing, after intermediate frequency detection, power-level detector is exported, in the first local oscillator and second
It is provided with frequency control loop between local oscillator, implements tuning and frequency-tracking.Differentiating beacon signal by DSP, whether there is or not and when searching
When rope is less than beacon, the DVB units of the beacon reception module can in a manner of tracking satellite carrier wave tracking satellite, and then realize
The function of tuning and frequency-tracking.Have the function of power down preserve frequency point, the function of recognizable beacon signal, anti-interference it is high,
Good linearity, high sensitivity, fast response time and it is low in energy consumption, size is small, light-weight the advantages that.
The realization principle of the utility model includes：Big carrier signal has two kinds of signal of communication and TV signal, satellite forwarding
Signal of communication on device only just exists when the earth station of two different places needs to be forwarded signal by satellite, is unsuitable for
Receiver is into line trace, and the TV signal on satellite repeater is believed due to the TV for needing that ground is constantly forwarded to send
Number, and general satellite television relays company and seldom changes frequency and symbol rate of the TV signal on satellite, therefore this
Signal is stablized as the beacon signal on satellite, can similarly be reached as tracking beacon signal by tracking television signal
Result.TV signal on satellite repeater is the big carrier signal that Frequency point difference, amount of bandwidth differ on transponder, with
For the transponder of the Ku wave bands in Asia-Pacific five, in the intermediate-freuqncy signal after the LNB down coversions of front end, with 1054MHz and 1101MHz
Centre frequency on be respectively present the big carrier signal of the sun of 43MHz and 22.425 z, pass through and analyze defending for each different satellites forwardings
In addition star TV signal works as fashion it can be found that being substantially not present all identical big carrier signal of centre frequency and amount of bandwidth
DVB-S standard is widely used in the forwarding of star TV, and the channel modulation techniques in DVB-S standard use QPSK modulation systems, and QPSK
Modulated signal could demodulate when only knowing determining centre frequency and amount of bandwidth when demodulation, utilize this spy
Can point realize TV while carrying out big carrier level tracking by the centre frequency and amount of bandwidth of analyzing the big carrier wave
The identification to satellite then may be implemented in the demodulation of signal, due to the center frequency of the big carrier wave TV signal on every satellite repeater
The independence of rate and amount of bandwidth, which, which can realize, accurately tracks satellite.
Dual mode satellite beacon reception module provided by the utility model can be tracked by way of tracking satellite beacon to be defended
Star, can also tracking satellite carrier wave mode tracking satellite, the maximum vacancy for compensating for current Radio Beacon market, realize carrier wave
Seek the tracking mode of star；It can be overcome in a manner of energy detection by the method identification beacon and non-beacon of numerical analysis
Seek the defect that star is susceptible to tracking error.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of dual mode satellite beacon reception module, which is characterized in that including：Receive work(subdivision, the processing institute of input signal
State the DVB units and root of the beacon element of the beacon signal in input signal, carrier signal in the processing input signal
According to the beacon signal and/or the control unit of the carrier signal tracking satellite；The work(subdivision is separately connected the letter
Mark the input terminal of the input terminal and the DVB units of unit, the output end of described control unit and the DVB units and described
The output end of beacon element connects.
2. dual mode satellite beacon reception module according to claim 1, which is characterized in that the work(subdivision includes first
Amplifier, the first power divider；The beacon element includes the second amplifier, the first frequency mixer, the first local oscillator, the first filtering
Device, the second frequency mixer, the second local oscillator, second filter, third amplifier, the second power divider, wave detector and DSP；Wherein,
The input terminal of first amplifier receives the LNB down-conversion signals of satellite, and output end accesses first power divider
Input terminal；The output end of first power divider connect second amplifier input terminal and the DVB units it is defeated
Enter end；The input terminal of first frequency mixer connects the output end of second amplifier, output end connection first filtering
The input terminal of device；The output end of the first filter connects the input terminal of second frequency mixer；Second frequency mixer
Output end connects the input terminal of the second filter；The output end of the second filter connects the defeated of the third amplifier
Enter end；The input terminal of second power divider connects the output end of the third amplifier, and output end connects the detection
The input terminal of the input terminal of device and the DSP；The input terminal of the output end connection described control unit of the wave detector；It is described
The output end of DSP connects described control unit；The output end of the DVB units connects described control unit；Described control unit
The digital signal of output tracking satellite.
3. dual mode satellite beacon reception module according to claim 2, which is characterized in that in first local oscillator and described
It is provided with frequency control loop between second local oscillator, implements tuning and frequency-tracking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820452061.5U CN207995090U (en) | 2018-04-02 | 2018-04-02 | Dual mode satellite beacon reception module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820452061.5U CN207995090U (en) | 2018-04-02 | 2018-04-02 | Dual mode satellite beacon reception module |
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| Publication Number | Publication Date |
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| CN207995090U true CN207995090U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820452061.5U Expired - Fee Related CN207995090U (en) | 2018-04-02 | 2018-04-02 | Dual mode satellite beacon reception module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208826A (en) * | 2019-05-29 | 2019-09-06 | 哈尔滨工程大学 | A kind of digital satellite smart antenna of multimode multi-frequency |
| CN112969086A (en) * | 2020-12-16 | 2021-06-15 | 广州长嘉电子有限公司 | Method and device for identifying DVB-S2 digital signal on smart television |
| CN114142916A (en) * | 2021-12-31 | 2022-03-04 | 深圳市星楷通讯设备有限公司 | Identification and confirmation system and method suitable for satellite signals |
| CN114142916B (en) * | 2021-12-31 | 2024-05-14 | 深圳市星楷通讯设备有限公司 | Identification and confirmation system and method suitable for satellite signals |
-
2018
- 2018-04-02 CN CN201820452061.5U patent/CN207995090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208826A (en) * | 2019-05-29 | 2019-09-06 | 哈尔滨工程大学 | A kind of digital satellite smart antenna of multimode multi-frequency |
| CN112969086A (en) * | 2020-12-16 | 2021-06-15 | 广州长嘉电子有限公司 | Method and device for identifying DVB-S2 digital signal on smart television |
| CN114142916A (en) * | 2021-12-31 | 2022-03-04 | 深圳市星楷通讯设备有限公司 | Identification and confirmation system and method suitable for satellite signals |
| CN114142916B (en) * | 2021-12-31 | 2024-05-14 | 深圳市星楷通讯设备有限公司 | Identification and confirmation system and method suitable for satellite signals |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 |