CN206413012U - A kind of airborne radar recorder real-time playback system - Google Patents
A kind of airborne radar recorder real-time playback system Download PDFInfo
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- CN206413012U CN206413012U CN201621414925.1U CN201621414925U CN206413012U CN 206413012 U CN206413012 U CN 206413012U CN 201621414925 U CN201621414925 U CN 201621414925U CN 206413012 U CN206413012 U CN 206413012U
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- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000005441 aurora Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
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Abstract
The utility model is related to airborne radar design field, more particularly to a kind of airborne radar recorder real-time playback system.Real-time playback system includes：Radar processor, is connected with airborne radar recorder by optical fiber, for sending data requesting instructions to radar recording, and receives the initial data of radar recording collection；Radar recording controller, is connected with radar recording by netting twine, for sending optical fiber play-back command to radar recording；When airborne radar recorder receives data requesting instructions and optical fiber play-back command simultaneously, the initial data of record is sent to radar processor；Display, is connected with radar processor, for being shown to the vision signal that radar processor is sent.Airborne radar recorder real-time playback system architecture of the present utility model is simple, not only reduces radar playback corollary equipment, reduces the complexity of replayed section, improves playback verification efficiency, and real-time playback ability disclosure satisfy that radar process plate real time handling requirement.
Description
Technical field
The utility model is related to airborne radar design field, more particularly to a kind of airborne radar recorder real-time playback system
System.
Background technology
At present, during airborne radar test it is main by LVDS or optical-fibre channel into recorder typing flight test number
According to, so as to later stage ground data analysis and playback use.Need to carry out the record data in flight test after the completion of generally taking a flight test
Analysis and playback, and current playback mode is that the data of recorder are imported on PC, then PC is returned by way of network interface
Put the data of record, network interface speed 100MB/s, it is impossible to meet the real-time playback demand of broadband and ultra-wideband data.PC net
The process of mouthful back method is comparatively laborious, time-consuming, and playback of data transmission rate it is slow the characteristics of, it is difficult to meet Radar Signal Processing
Flow real-time and replayed section are simply required.
The content of the invention
The purpose of this utility model there is provided a kind of airborne radar recorder real-time playback system, existing airborne to solve
At least one technical problem that radar recording exists when playing back.
The technical solution of the utility model is：
A kind of airborne radar recorder real-time playback system, including：
Radar processor, is connected with airborne radar recorder by optical fiber, for continuous to institute according to predetermined time interval
State radar recording and send data requesting instructions, and receive the initial data of the radar recording collection；
Radar recording controller, is connected with the radar recording by netting twine, for being sent out to the radar recording
Send optical fiber play-back command；Wherein
When simultaneously the airborne radar recorder receives data requesting instructions and the institute that the radar processor is sent
When stating the optical fiber play-back command of radar recording controller transmission, the airborne radar recorder sends the initial data of record
To the radar processor；
Display, is connected with the radar processor, for being shown to the vision signal that the radar processor is sent
Show.
It is preferred that, described airborne radar recorder real-time playback system also includes optical fiber splicing device, and the optical fiber connects
Connection device includes again：
First fiber interface module, is fixedly installed on the radar processor；
Optic module, is fixedly installed in the radar recording；Wherein
The optic module includes again：
Second fiber interface module, is connected by optical-fibre channel with the first fiber interface module
Fpga logic chip, the initial data for reading in the radar recording (in eMMC).
The utility model has the advantage of：
Airborne radar recorder real-time playback system architecture of the present utility model is simple, and not only the playback of reduction radar, which is matched somebody with somebody, is arranged
It is standby, the complexity of replayed section is reduced, playback verification efficiency is improved, and also real-time playback ability disclosure satisfy that radar process plate is real
When processing requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model airborne radar recorder real-time playback system；
Fig. 2 is record data format chart in the utility model airborne radar recorder real-time playback system；
Fig. 3 is Req request bag format charts in the utility model airborne radar recorder real-time playback system；
Fig. 4 is the utility model airborne radar recorder real-time playback system playback bag format chart.
Embodiment
To make the purpose, technical scheme and advantage of the utility model implementation clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
1 to Fig. 4 the utility model airborne radar recorder real-time playback system is done further in detail below in conjunction with the accompanying drawings
Explanation.
The utility model provides a kind of airborne radar recorder real-time playback system, including radar processor, radar are remembered
Record instrument controller and display.
In the utility model, radar processor can be computer, single-chip microcomputer etc., be connected with radar recording by optical fiber
Connect, interface type is optical port, meanwhile, under same physical medium, link protocol AURORA high speed protocols, in use,
High Speed Serial transmission rate can reach 3.125Gbps.Radar processor is for according to predetermined time interval, (specific time interval can
With the setting as needed being adapted to) data requesting instructions constantly are sent to radar recording, and receive radar recording
The initial data of collection (radar recording is in constantly collection radar data in itself).
Radar recording controller can be computer, single-chip microcomputer etc., be connected with radar recording by netting twine (WLAN),
On the one hand being can be with the mode of operation of control radar recorder, in addition, for controllably sending optical fiber playback to radar recording
Instruction.Also, airborne radar recorder is arranged to ought be while receive the data requesting instructions and thunder of radar processor transmission
Up to recorder controller send optical fiber play-back command when, the initial data of record is sent to radar processor.
Display is connected with radar processor, for being shown to the vision signal that radar processor is sent.
Further, airborne radar recorder real-time playback system of the present utility model also includes optical fiber splicing device；Optical fiber
Attachment means include the first fiber interface module and optic module again.
First fiber interface module is fixedly installed on the radar processor；Optic module is fixedly installed on radar record
On instrument.Wherein optic module includes the second fiber interface module and fpga logic chip again；Second fiber interface module, passes through light
Fine passage is connected with the first fiber interface module；Fpga logic chip is used to read the original number in radar recording in eMMC
According to.
In the utility model airborne radar recorder real-time playback system, playback system plays back skill using recorder optical fiber
Art, is decided with radar processor (radar process plate), and recorder device does response, and radar processor is set according to DSP in plate
Timing signal interval send data requesting instructions, recorder device receive instruction after within the specified time by the original number of record
Radar processor is sent to by optic module according to the data format of agreement, radar processor is extracted data after relevant information
Packing is transmitted to that the concurrent outage notification datas of DSP reach can be with subsequent treatment.
The course of work of the utility model airborne radar recorder real-time playback system is broadly divided into two steps：One is thunder
PC control up to recorder controller (PC) sends optical fiber play-back command；Two be in recorder PowerPC receive it is upper
After the playback request instruction that machine software instruction and DSP are set, internal fpga logic reads the radar data that is recorded in eMMC to logical
Optic module is crossed, optical signal is converted electrical signals into and is sent to radar process plate.
In summary, the utility model airborne radar recorder real-time playback system need not pass through network interface dump to PC
Machine, only need to send " playback " control instruction by recorder upper computer software into recorder, it is possible to play back record of taking a flight test
Data, and playback speed is fast, meets the demand of radar process plate real time execution Radar Signal Processing；Also, it can be flown in radar
Directly carry out playback checking work after the completion of checking test, simple system is practical, time saving and energy saving, the spy that playback speed is handled in real time
Point meets the demand of actual flying test checking work.
Especially, it should be noted that, in the utility model airborne radar recorder real-time playback system, such as at radar
Reason machine, what it was realized sends or receives the functions of corresponding data to radar recording, is many relevant devices in the prior art
The realization of the function of being possessed, i.e. its function belongs to prior art；Similarly, the function of radar recording controller and display
Realization belong to prior art.
Further, by the airborne radar recorder playback system structure before analysis, it is mainly PC and thunder
Connected up to processor by netting twine, data are first imported into PC by radar recording by netting twine, then import radar by PC
Processor.And the utility model proposes radar processor being connected by optical fiber with radar recording to solve the above problems,
Radar recording controller is connected with radar recording by netting twine again.Therefore, the utility model is substantially to each Hardware Subdivision
Point the improvement that carries out of composition and annexation, and be not related to improvement in itself that carried out to software program.
In the utility model airborne radar recorder real-time playback system, gathered data form is defined as follows：
As shown in table 1, define frame head length and be fixed as 100 words, the 1st word of frame head is：0xABABABAB；Frame synchronization tail
For：0xBABABABA, such as frame head data main definitions present frame relevant information, bag count information.
The frame head of table 1 is defined
| Form | Number | Implication |
| unsigned int | (000) | Frame head synchronous head=0xABABABAB |
| (01~98) | Frame head data | |
| unsigned int | (99) | Frame synchronization tail=0xBABABABA |
As shown in table 2, packet header length is fixed as 50 words；1st word in first packet header behind frame head be：
0x11223344, wraps synchronization tail for 0x44332211, the packet header head current packet-related information of data main definitions, such as flight attitude,
The information such as radar current detection and tracking target.
The packet header of table 2 is defined
| Form | Number | Implication |
| unsigned int | (000) | Packet header synchronous head=0x11223344 |
| (01~48) | Header data | |
| unsigned int | (49) | Wrap synchronization tail=0x44332211 |
The utility model airborne radar recorder real-time playback system acquisition Data Detection includes following function：
Preamble detecting function：When carrying out data acquisition, frame originating point information, and data record by frame head and afterwards are waited.
Recorder judges when present frame terminates by judging bag sum, and a warm reset signal, frame knot are generated using package counting facility
Warm reset is carried out after beam, starts to circulate next time.
Detect function in packet header：When carrying out data acquisition, the packet header mark to every bag data is detected, to every bag significant figure
Length counting is carried out according to length.The length of valid data is recorded, the valid data byte number extracted in packet header is judged,
Unnecessary data (if not being below packet header mark) are abandoned, and report exception.
The utility model airborne radar recorder real-time playback system replayed section is as follows：
During playback, recorder waits radar processor optical port to send Req bags first, then starts playback.Req bags form by
4 word compositions, first character is Req packet header, and default value is 32 ' hAABBCCDD；Second word is that Req bags are counted.3rd word
To retain, at present using full 0；4th word is Req bag tails, and default value is 32 ' hEEFFGGHH.Recorder is receiving Req bags
When, it is necessary to detect whether Req packet header and bag tail have exception.
As shown in figure 4, when recorder is played back to the data of storage, since the first bag data, playback of data packet header
And valid data, and one layer of Ack bag form is also encapsulated outside.
Further, Ack bags are made up of following 5 parts：
1), Ack packet header, 1 word of length, the hAABBCCDD of default value 32 '；
2), Ack bags are counted, 1 word of length；
3), data length, 1 word represents Ack valid data partial words joint numbers (i.e. 50 words in user packet header+valid data
Word, multiplied by with 4)；
4), Ack valid data, variable length, (50+N) individual word (N is valid data word), including user packet header and significant figure
According to；
5), Ack bags tail, 1 word, the hEEFFGGHH of default value 32 '.
Recorder judges when present frame terminates according to packet sum, after current frame end, then starts next time
Playback cycle works, untill the Req playback request bags of radar processor are not received.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art is in the technical scope that the utility model is disclosed, the change that can be readily occurred in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (2)
1. a kind of airborne radar recorder real-time playback system, it is characterised in that including：
Radar processor, is connected with airborne radar recorder by optical fiber, for continuous to the thunder according to predetermined time interval
Data requesting instructions are sent up to recorder, and receive the initial data of the radar recording collection；
Radar recording controller, is connected with the radar recording by netting twine, for sending light to the radar recording
Fine play-back command；Wherein
When simultaneously the airborne radar recorder receives data requesting instructions and the thunder that the radar processor is sent
Up to recorder controller send optical fiber play-back command when, the initial data of record is sent to institute by the airborne radar recorder
State radar processor；
Display, is connected with the radar processor, for being shown to the vision signal that the radar processor is sent.
2. airborne radar recorder real-time playback system according to claim 1, it is characterised in that also connected including optical fiber
Device, the optical fiber splicing device includes again：
First fiber interface module, is fixedly installed on the radar processor；
Optic module, is fixedly installed in the radar recording；Wherein
The optic module includes again：
Second fiber interface module, is connected by optical-fibre channel with the first fiber interface module
Fpga logic chip, for reading the initial data in the radar recording.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414925.1U CN206413012U (en) | 2016-12-21 | 2016-12-21 | A kind of airborne radar recorder real-time playback system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414925.1U CN206413012U (en) | 2016-12-21 | 2016-12-21 | A kind of airborne radar recorder real-time playback system |
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| Publication Number | Publication Date |
|---|---|
| CN206413012U true CN206413012U (en) | 2017-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621414925.1U Expired - Fee Related CN206413012U (en) | 2016-12-21 | 2016-12-21 | A kind of airborne radar recorder real-time playback system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919213A (en) * | 2018-08-06 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of airborne radar synchronization on-line analysis system |
-
2016
- 2016-12-21 CN CN201621414925.1U patent/CN206413012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919213A (en) * | 2018-08-06 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of airborne radar synchronization on-line analysis system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 |