CN205901948U - Machine carries transceiver - Google Patents

Machine carries transceiver Download PDF

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Publication number
CN205901948U
CN205901948U CN201620806846.9U CN201620806846U CN205901948U CN 205901948 U CN205901948 U CN 205901948U CN 201620806846 U CN201620806846 U CN 201620806846U CN 205901948 U CN205901948 U CN 205901948U
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Prior art keywords
module
signal processing
airborne
processing module
frequency
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CN201620806846.9U
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Inventor
肖红
何凤义
王大春
刘波
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Sichuan Di Information Technology Co., Ltd.
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SICHUAN SDRISING INFORMATION TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a machine carries transceiver, including airborne antenna, frequency conversion module, digital process module and camera, the airborne antenna sets up on subscriber equipment with the camera is fixed, and the airborne antenna is connected with frequency conversion module, frequency conversion module is connected with the digital process module, the digital process module includes signal processing module, image compression module and power module, power module provides operating voltage for signal processing module and image compression module, signal processing module is connected with the image compression module. The utility model discloses with modularization design philosophy, improve the integrated level that the warpout carried the receiver, the consumption is little, through frequency conversion module and digital process module, accomplishes the compressing that the color image ceases to color image information after will compressing is after signal processing module frequency conversion modulation, and the data message and the airborne control equipment that carry among the recorder with the machine export frequency conversion module to the waste water three that ground control signal sent jointly, have improved the utility model discloses data transmission's precision.

Description

A kind of airborne transceiver
Technical field
This utility model is related to guidance component technical field of measurement and test, is specifically related to a kind of airborne transceiver.
Background technology
In guidance component test, need to realize color image information between vacant lot, airborne recording equipment information and ground Being wirelessly transferred of face control command, currently used for the airborne transceiver in guidance component test system, does not have Uniting to advise Model, uses in a large number independent components and parts in practical application, the structure of transceiver is complex, exists that power consumption is larger, and cost is relatively Height, the shortcomings of information easy distortion.
Content of the invention
The problem existing for above-mentioned prior art, this utility model is further improved on prior art basis, This utility model is related to a kind of airborne transceiver, and this utility model is used in guidance component test system, completes image monitoring Device data earthward being wirelessly transferred of equipment in the color digital image of device and the setting of airborne record, receives ground simultaneously The control command to airborne transceiver for the face equipment, this utility model structure is simple, and integration degree is high, and power consumption is less, data Transmission is precisely.
This utility model is achieved through the following technical solutions above-mentioned utility model purpose.
A kind of airborne transceiver, including airborne antenna, frequency-variable module, digital signal processing module and photographic head, airborne antenna It is fixedly installed on user equipment with photographic head, described airborne antenna is connected with frequency-variable module, at described frequency-variable module and numeral Reason module connects;
Described frequency-variable module is used for providing baseband signal to digital signal processing module, and provides intermediate frequency letter to airborne antenna Number;
Described photographic head is connected with digital signal processing module, and photographic head is used for digital signal processing module input color image letter Breath;
Described digital signal processing module includes signal processing module, image compression module and power module, described power module It is signal processing module and image compression module offer running voltage, described signal processing module is connected with image compression module;
Described signal processing module is used for receiving the flourishing color image information of photographic head, and will be defeated for this color image information Go out to image compression module;
Described image compression module is used for the color image information that at compression, reason signal processing module pass reaches, and will compress Color image information afterwards is back to signal processing module;
Color image information after compression, after signal processing module Frequency-variable Modulation, is believed with the data in airborne recording equipment Breath and airborne control device export to frequency-variable module jointly to the response signal that ground control signal sends.
This utility model, with modular design method, improves the integrated level of airborne receiver, small power consumption, by frequency conversion mould Block and digital signal processing module, the compression completing coloured image breath is processed, and by the color image information after compression through signal processing After module Frequency-variable Modulation, with airborne recording equipment in data message and airborne control device ground control signal sent Response signal three exports jointly to frequency-variable module, improves the precision of this utility model data transfer.
Further, described signal processing module includes a fpga, and described image compression module includes a dsp, institute State fpga to be connected with dsp, fpga is also associated with d/a modular converter.Based on the digital signal processing module of fpga+dsp design, have strong Big data-handling capacity, further increases accurate performance of the present utility model.
After described fpga receives color image information, color image information is delivered to dsp, described dsp is by the coloured silk receiving Color image Information Compression is processed, and the color image information after compression again returns to fpga by dsp, the coloured image letter that compression is processed Breath carries out up-conversion in fpga, upconverts to intermediate frequency by baseband signal, the image digital signal after being modulated, after modulation The sound that data message in data image signal and airborne recording equipment and airborne control device send to ground control signal Induction signal, three road signals carry out data by da and are converted to after analogue signal, then export to the up-conversion interface of frequency-variable module, with When fpga receive frequency-variable module down coversion data message, complete the control to airborne device.
Further, described image compression module is compressed to color image information locating using h.264 algorithm in dsp Reason, the resolution of image compression module is 1280 x 1024, and quantity of information is 320mbit/s, and signal form is lvds.H.264 calculate The higher data compaction ratio of method, occupied bandwidth is few, advantageously reduces cost, and its coding is faster convenient.
Further, described signal processing module also includes clock module and reseting module, and clock module is used for fpga There is provided clock signal with dsp, reseting module is used for providing reset signal to fpga and dsp.
Further, described frequency-variable module includes up-conversion, down coversion and duplexer, the common port of described duplexer with Sma interface connects, and described sma interface connects airborne antenna, and the input of described up-conversion passes through at a smp interface and numeral Reason module connects, and the outfan of up-conversion connects the high go side of duplexer, and the input of described down coversion connects the low of duplexer Go side, the outfan of down coversion is connected with digital signal processing module by the 2nd smp interface.The signal that duplexer will be launched and receive Isolation, is launched with ensureing and receives normal work can share a sma interface it is also possible to realize up-conversion and down coversion simultaneously.
Further, a described smp interface and the 2nd smp interface are smp-jhd interface.
Further, adopt pricking with needle (can be selected for 16 core double-row needles) and special between described frequency-variable module and digital signal processing module Radio frequency connector connects.
Further, described power module provides 28v voltage, and error control is in ± 4v, and passes through voltage stabilizing chip to each mould Block provides running voltage.
Further, the asynchronous work of data transfer in the data transfer and Airborne Control Unit in described airborne recording equipment Make, outside switching is carried out using same network interface, to avoid data to be jammed, ensure data transmission bauds, reduce the mistake of data transfer Rate by mistake.
Further, described airborne antenna is omnidirectional antenna.
This utility model compared with prior art, at least have following benefit effect:
(1) this utility model, with modular design method, improves the integrated level of airborne receiver, small power consumption.
(2) this utility model passes through frequency-variable module and digital signal processing module, and the compression completing coloured image breath is processed, and will Color image information after compression after signal processing module Frequency-variable Modulation, with airborne recording equipment in data message and machine Carry control device the response signal three that ground control signal sends is exported jointly to frequency-variable module, improve this utility model The precision of data transfer.
(3) digital signal processing module that this utility model is designed based on fpga+dsp, has powerful data-handling capacity, enters One step improves accurate performance of the present utility model.
(4) this utility model passes through the signal isolation that duplexer will be launched and receive, and launch and receive to ensure can be simultaneously Normal work.
Brief description
Accompanying drawing described herein is used for providing this utility model embodiment is further understood, and constitutes the one of the application Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the theory diagram of digital signal processing module in this utility model.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, is not intended as to restriction of the present utility model.
Embodiment 1:
As shown in figure 1, a kind of airborne transceiver, including airborne antenna, frequency-variable module, digital signal processing module and shooting Head, airborne antenna can be selected for omnidirectional antenna, and airborne antenna and photographic head are fixedly installed on user equipment, airborne antenna and frequency conversion Module connects, and frequency-variable module is connected with digital signal processing module;
Frequency-variable module is used for providing baseband signal to digital signal processing module, and provides intermediate-freuqncy signal to airborne antenna;
Photographic head is connected with digital signal processing module, and photographic head is used for digital signal processing module input color image information;
Digital signal processing module includes signal processing module, image compression module and power module, and described power module is letter Number processing module and image compression module provide running voltage, and described signal processing module is connected with image compression module;
Signal processing module is used for receiving the flourishing color image information of photographic head, and by this color image information export to Image compression module;
Image compression module is used for the color image information that at compression, reason signal processing module pass reaches, and by after compression Color image information is back to signal processing module;
Color image information after compression, after signal processing module Frequency-variable Modulation, is believed with the data in airborne recording equipment Breath and airborne control device export to frequency-variable module jointly to the response signal that ground control signal sends.
This utility model, with modular design method, improves the integrated level of airborne receiver, small power consumption, by frequency conversion mould Block and digital signal processing module, the compression completing coloured image breath is processed, and by the color image information after compression through signal processing After module Frequency-variable Modulation, with airborne recording equipment in data message and airborne control device ground control signal sent Response signal three exports jointly to frequency-variable module, improves the precision of this utility model data transfer.
Embodiment 2:
The present embodiment is the improvement further done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment In, it is connected from 16 core double-row needles and special radio frequency connector between digital signal processing module and other modules.Additionally, at signal Reason module includes a fpga, and image compression module includes a dsp, and fpga is connected with dsp, and fpga is also associated with d/a conversion Module.Based on the digital signal processing module of fpga+dsp design, there is powerful data-handling capacity, further increase this practicality New accurate performance.Signal processing module also includes clock module and reseting module, and clock module is used for carrying to fpga and dsp For clock signal, reseting module is used for providing reset signal to fpga and dsp
In the present embodiment, after fpga receives color image information, color image information is delivered to dsp, dsp will receive Color image information compression is processed, and the color image information after compression again returns to fpga, the coloured image that compression is processed by dsp Information carries out up-conversion in fpga, upconverts to intermediate frequency by baseband signal, and the image digital signal after being modulated, after modulation Data image signal and airborne recording equipment in data message and airborne control device ground control signal is sent Response signal, three road signals carry out data by da and are converted to after analogue signal, then export to the up-conversion interface of frequency-variable module, Fpga receives the data message of frequency-variable module down coversion simultaneously, thus completing the control to airborne device.
Data transfer asynchronous working in data transfer and Airborne Control Unit in airborne recording equipment, using same net Mouth carries out outside switching, to avoid data to be jammed, ensures data transmission bauds, reduces the fault rate of data transfer.
Embodiment 3:
The present embodiment is the improvement further done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment In, image compression module is compressed to color image information processing using h.264 algorithm in dsp, image compression module Resolution is 1280 x 1024, and quantity of information is 320mbit/s, and signal form is lvds.H.264 the higher data compaction of algorithm Occupied bandwidth is few, advantageously reduces cost, and its coding is faster convenient for ratio.
Embodiment 4:
The present embodiment is the improvement further done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment In, frequency-variable module includes up-conversion, down coversion and duplexer, and the common port of duplexer is connected with sma interface, and sma interface connects Airborne antenna, the input of up-conversion is connected with digital signal processing module by a smp interface, and the outfan connection of up-conversion is double The high go side of work device, the input of down coversion connects the low pass end of duplexer, the outfan of down coversion pass through the 2nd smp interface with Digital signal processing module connects, and a smp interface and the 2nd smp interface are smp-jhd interface.Duplexer by launch and receive Signal isolation, is launched with ensureing and receives and can normal work connect it is also possible to realizing up-conversion and down coversion and sharing a sma simultaneously Mouthful.
Embodiment 4:
The present embodiment is the improvement further done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment In, weight of the present utility model :≤2000g;Power module provides 28v voltage, and error control is in ± 4v, and passes through voltage stabilizing chip There is provided running voltage to each module;Its operating current :≤2000 ma;Operating temperature: -30 DEG C~+50 DEG C;Stream time: >=4 hours;Mean time between failures is more than 500 hours, data transmission error rate: is not more than 10-6;During work, highly exist 50m-500m.Under sighting condition, maximum operating range >=20km.
As described above, this utility model can preferably be implemented.

Claims (10)

1. a kind of airborne transceiver it is characterised in that: include airborne antenna, frequency-variable module, digital signal processing module and photographic head, Airborne antenna and photographic head are fixedly installed on user equipment, and described airborne antenna is connected with frequency-variable module, described frequency-variable module It is connected with digital signal processing module;
Described frequency-variable module is used for providing baseband signal to digital signal processing module, and provides intermediate-freuqncy signal to airborne antenna;
Described photographic head is connected with digital signal processing module, and photographic head is used for digital signal processing module input color image information;
Described digital signal processing module includes signal processing module, image compression module and power module, and described power module is letter Number processing module and image compression module provide running voltage, and described signal processing module is connected with image compression module;
Described signal processing module is used for receiving the flourishing color image information of photographic head, and by this color image information export to Image compression module;
Described image compression module is used for the color image information that at compression, reason signal processing module pass reaches, and by after compression Color image information is back to signal processing module;
Color image information after compression after signal processing module Frequency-variable Modulation, with airborne recording equipment in data message with And airborne control device exports to frequency-variable module jointly to the response signal that ground control signal sends.
2. airborne transceiver according to claim 1 it is characterised in that: described signal processing module includes one Fpga, described image compression module includes a dsp, and described fpga is connected with dsp, and fpga is also associated with d/a modular converter.
3. airborne transceiver according to claim 2 it is characterised in that: h.264 described image compression module using calculating Method is compressed to color image information processing in dsp.
4. airborne transceiver according to claim 2 it is characterised in that: described signal processing module also includes clock mould Block and reseting module, clock module is used for providing clock signal to fpga and dsp, and reseting module is used for providing to fpga and dsp Reset signal.
5. airborne transceiver according to claim 1 it is characterised in that: described frequency-variable module includes up-conversion, lower change Frequency and duplexer, the common port of described duplexer is connected with sma interface, and described sma interface connects airborne antenna, described up-conversion Input be connected with digital signal processing module by a smp interface, the outfan of up-conversion connects the high go side of duplexer, institute The input stating down coversion connects the low pass end of duplexer, and the outfan of down coversion passes through the 2nd smp interface and digital processing mould Block connects.
6. airborne transceiver according to claim 5 it is characterised in that: a described smp interface and the 2nd smp interface It is smp-jhd interface.
7. airborne transceiver according to claim 1 it is characterised in that: described frequency-variable module and digital signal processing module it Between connected using pricking with needle and radio frequency connector.
8. airborne transceiver according to claim 1 it is characterised in that: described power module provides 28v voltage, and leads to Crossing voltage stabilizing chip provides running voltage to each module.
9. airborne transceiver according to claim 1 it is characterised in that: the data transfer in described airborne recording equipment With the data transfer asynchronous working in Airborne Control Unit, outside switching is carried out using same network interface.
10. airborne transceiver according to claim 1 it is characterised in that: described airborne antenna be omnidirectional antenna.
CN201620806846.9U 2016-07-29 2016-07-29 Machine carries transceiver Active CN205901948U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111478726A (en) * 2020-05-27 2020-07-31 中国科学院微小卫星创新研究院 Communication system for small communication satellite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111478726A (en) * 2020-05-27 2020-07-31 中国科学院微小卫星创新研究院 Communication system for small communication satellite

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CP01 Change in the name or title of a patent holder

Address after: The new West Road 610000 in Sichuan Province, Chengdu city high tech Development Zone No. 2

Patentee after: Sichuan Di Information Technology Co., Ltd.

Address before: The new West Road 610000 in Sichuan Province, Chengdu city high tech Development Zone No. 2

Patentee before: Sichuan SDRising Information Technology Co., Ltd.

CP01 Change in the name or title of a patent holder