CN102932023A - Radar antenna pointing information transferring method and device - Google Patents
Radar antenna pointing information transferring method and device Download PDFInfo
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- CN102932023A CN102932023A CN2012103815096A CN201210381509A CN102932023A CN 102932023 A CN102932023 A CN 102932023A CN 2012103815096 A CN2012103815096 A CN 2012103815096A CN 201210381509 A CN201210381509 A CN 201210381509A CN 102932023 A CN102932023 A CN 102932023A
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Abstract
The invention relates to the technical field of data information transfer and especially relates to a radar antenna pointing information transferring method and device. Radar antenna pointing data are obtained in a doubling manner and are sent to a testing system after being converted by the transferring device. The transferring device comprises a singlechip computer and a differential converting module, wherein a series-to-parallel converting module of the singlechip computer is connected with the differential converting module through a storage module, and a counting and timing module for processing external frame synchronization signals and the storage module are connected with the connecting end of the differential converting module; and the differential converting module is connected with the testing system at a terminal through a data cable. The transferring device provided by the invention is simple in structure, convenient to implement and good in instantaneity, does not need to add an additional data interface on a radar, is small and exquisite in structure, reduces intermediate links for data transmission, supports synchronous transfer of external signals, is strong in instantaneity and easy and convenient to use, does not need manual interference during a working process, and realizes unattended operation.
Description
Technical field
The present invention relates to data message retransmission technique field, relate in particular to a kind of radar antenna directional information retransmission method and the retransmission unit that utilize monolithic computer to realize.
Background technology
At present, known radar antenna directional information data forwarding device is realized based on desktop computer and real-time network, interface by special-purpose desktop computer obtains the radar antenna directional information, converts as requested required form, level attribute to, sends the data to receiving terminal according to agreement.
During retransmission unit work, accept the synchronous propelling that emulation advances clock, need at least data to be delivered to terminal by source through two links.Its deficiency shows four aspects: it is many to enable equipment during (1) work; (2) the forwarding delay time is long; (3) do not possess outer sync cap ability, can't accurately control the data delivery time; (4) can not realize data retransmission interval less than 8ms.And radar is not provided as the data-interface that this mode of operation is used.
The radar of existing typing is not specifically designed to the output interface that antenna direction information is transmitted.If add-assembly certainly will increase experimentation cost and duty cycle, and might introduce some unpredictalbe problems, change equipment state, the integrality of impact equipment hardware-software.
Summary of the invention
The deficiency that exists in order to overcome existing radar antenna directional information data retransmission mode, the present invention proposes a kind of radar antenna directional information retransmission method and retransmission unit, and this device work is easy to use, real-time.
For achieving the above object, the present invention adopts following technical scheme:
A kind of radar antenna directional information retransmission unit, comprise: monolithic computer and differential conversion module, string and modular converter that described monolithic computer has receiving radar antenna direction information link to each other with the differential conversion module by memory module, have the counting and timing module that the outer frame synchronizing signal of radar antenna is processed and link to each other with differential conversion module link with memory module; And outer frame synchronizing signal links to each other with another input of differential conversion module, and described differential conversion module output links to each other with the pilot system of terminal by the data cable of mutual communication.
A kind of radar antenna directional information retransmission unit, described string and modular converter have carry out the functional module of Conversion of measurement unit, Data Format Transform from the antenna direction information of tested radar.
A kind of radar antenna directional information retransmission method, adopt the mode of doubling to obtain the Frame that radar sends, utilize monolithic computer and differential conversion module to finish the output of the reception conversion of data, data processing conversion, low-voltage differential, possess the ability with outer sync cap, have the cycle that setting data sends; Its step is as follows:
1, adopt the mode of data acquisition to obtain the Frame that tested radar sends, therefrom detect antenna direction information,
2, after obtaining the radar antenna directional information, the form that the bearing sense information of antenna direction information and pitching directional information are finished data by string and the modular converter of monolithic computer, the unit of data, the serial-to-parallel conversion of data;
3, will receive that the data of conversion are stored in the inside of the memory module of monolithic computer;
4, the outer frame synchronizing signal of obtaining is counted by the counter of monolithic computer, realizes the accurate timing time-delay;
5, the monolithic computer output signal level converts the Low Voltage Differential Signal form to by the low-voltage differential modular converter, the low-voltage differential modular converter and in the future the pilot system Low Voltage Differential Signal of self terminal convert monolithic computer acceptable signal level to;
6, under the outside triggering of frame synchronizing signal, the data that will convert the Low Voltage Differential Signal form after the time-delay of low-voltage differential modular converter to are delivered to the pilot system of terminal, reduce intermediate link, improved the real-time of data retransmission, can also data transmission frequency as required send data;
During work, retransmission unit connects the data receiver cable that is connected with radar antenna, connect the data that are connected with the pilot system of terminal and send cable, when carrying out the forwarding of radar antenna directional information, powering up startup can move, and sends to pilot system after this device of process is finished Conversion of measurement unit, Data Format Transform, synchronization timing, realizes that the data of 1ms send the interval, duration of work need not manual intervention, unattended operation.
Owing to adopt as above technical scheme, the present invention has following superiority:
A kind of radar antenna directional information retransmission method and retransmission unit are based on monolithic computer and realize, adopt the mode of data doubling intercepting to obtain radar antenna sensing data, send to pilot system after the conversion.Intercepting reception, conversion, the retransmission unit of a kind of radar antenna directional information data that it is simple in structure, realization is convenient, real-time is good.Do not need radar to increase extra data-interface, structure intermediate link, support external signal small and exquisite, that reduce transfer of data and transmit synchronously, real-time, easy to use, duration of work need not manual intervention, unattended operation.
The doubling data intercept that the present invention adopts is based on analysis and the utilization to the driving force of computer digit interface.Usually, the output of computer digit interface all has stronger driving force, can drive more than one data receiver, namely can realize multicast.Doubling can not impact the data integrity of the original receiving terminal of radar system.
The present invention does not have too much operational capability expense because task is single, and the retransmission unit of therefore comparing based on desktop computer has stronger real-time, can also data transmission frequency as required send data, realizes higher data transmission frequency.For example, the data of original system minimum send and are spaced apart 8ms, and this device can realize that the data of 1ms send the interval.
The present invention is at the external signal synchronization aspects, former retransmission unit does not have external signal synchronizing capacity and interface, and this device can descend forwarding data synchronously at external signal, and deliver to the pilot system of terminal by the data that will convert the Low Voltage Differential Signal form after the low-voltage differential modular converter time-delay to, reduce intermediate link, improved the real-time of data retransmission.
Realization of the present invention be immutable in the input communications protocol, the output communications protocol is immutable, namely at two ends all in the immutable situation, realize a middle device, finished the conversion of data format, unit and communications protocol between the input output.
The actual use shows, the data forwarding module that utilizes this technology to realize can be finished the reception of antenna direction information data and transmit with conversion, working stability, accurately and reliably, as long as just can adapt to different reception agreements, send agreement and data transaction requirement by changing control software, realize different synchronous and amount of delay requirements.And the unnecessary radar that requires is that this purpose increases an extra data output interface again.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Figure l is apparatus structure block diagram of the present invention, comprises string and modular converter, memory module, counting and timing module and differential conversion module.
Fig. 2 is the diagram of printed circuit board of this device, and main input/output interface is described as follows among the figure:
(1) top left side is low-voltage differential output, the input interface of parallel data among the figure;
(2) lower right corner is the input interface of antenna direction information among the figure;
(3) lower left corner is power interface among the figure;
(4) upper right corner is the external synchronization signal input interface among the figure.
Serial data frame from tested radar intercepting comes enters this device by serial line interface, after Data Format Transform, data unit conversion are finished in device inside, according to outer synchronous requirement and timing relationship, data communication device is crossed the low-voltage differential interface send to pilot system.
Embodiment
As shown in Figure 1, a kind of radar antenna directional information retransmission unit, comprise: monolithic computer and differential conversion module, string and modular converter that described monolithic computer has receiving radar antenna direction information link to each other with the differential conversion module by memory module, have the counting and timing module that the outer frame synchronizing signal of radar antenna is processed and link to each other with differential conversion module link with memory module; And outer frame synchronizing signal links to each other with another input of differential conversion module, and described differential conversion module output links to each other with the pilot system of terminal by the data cable of mutual communication.
Described string and modular converter have carry out the functional module of Conversion of measurement unit, Data Format Transform from the antenna direction information of tested radar.String and modular converter are finished the serial-to-parallel conversion of data message; Memory module is stored in the data of receiving the inside of monolithic computer; Counter is counted external synchronizing signal and is realized the accurate timing time-delay; The low-voltage differential modular converter converts the monolithic computer output signal level to the Low Voltage Differential Signal form, and will convert from the Low Voltage Differential Signal of pilot system monolithic computer acceptable signal level to.
A kind of radar antenna directional information retransmission method, adopt the mode of doubling to obtain the Frame that radar sends, utilize monolithic computer and differential conversion module to finish the output of the reception conversion of data, data processing conversion, low-voltage differential, possess the ability with outer sync cap, have the cycle that setting data sends; Its step is as follows:
1, adopt the mode of data acquisition to obtain the Frame that tested radar sends, therefrom detect antenna direction information,
2, after obtaining the radar antenna directional information, the form that the bearing sense information of antenna direction information and pitching directional information are finished data by string and the modular converter of monolithic computer, the unit of data, the serial-to-parallel conversion of data;
3, will receive that the data of conversion are stored in the inside of the memory module of monolithic computer;
4, the outer frame synchronizing signal of obtaining is counted by the counter of monolithic computer, realizes the accurate timing time-delay;
5, the monolithic computer output signal level converts the Low Voltage Differential Signal form to by the low-voltage differential modular converter, the low-voltage differential modular converter and in the future the pilot system Low Voltage Differential Signal of self terminal convert monolithic computer acceptable signal level to;
6, under the outside triggering of frame synchronizing signal, the data that will convert the Low Voltage Differential Signal form after the time-delay of low-voltage differential modular converter to are delivered to the pilot system of terminal, reduce intermediate link, improved the real-time of data retransmission, can also data transmission frequency as required send data;
During work, retransmission unit connects the data receiver cable that is connected with radar antenna, and namely string and modular converter link to each other with the collector of collection from the antenna direction information of radar by the input interface of antenna direction information; Connect the data that are connected with the pilot system of terminal and send cable, when carrying out the forwarding of radar antenna directional information, powering up startup can move, after finishing Conversion of measurement unit, Data Format Transform, synchronization timing, this device of process sends to pilot system, duration of work need not manual intervention, unattended operation.
Above-mentioned doubling data intercept is based on analysis and the utilization to the driving force of computer digit interface.Usually, the output of computer digit interface all has stronger driving force, can drive more than one data receiver, namely can realize multicast.Doubling can not impact the data integrity of the original receiving terminal of radar system.
The present invention does not have too much operational capability expense because task is single, and the retransmission unit of therefore comparing based on desktop computer has stronger real-time, can realize higher data transmission frequency.For example, the data of original system minimum send and are spaced apart 8ms, and this device can realize that the data of 1ms send the interval.
At the external signal synchronization aspects, former retransmission unit does not have external signal synchronizing capacity and interface, and this device can descend forwarding data synchronously at external signal.
The realization of this device be immutable in the input communications protocol, the output communications protocol is immutable, namely at two ends all in the immutable situation, realize a middle device, finished the conversion of data format, unit and communications protocol between the input output.
The actual use shows, the data forwarding module that utilizes this technology to realize can be finished the reception of antenna direction information data and transmit with conversion, working stability, accurately and reliably, as long as just can adapt to different reception agreements, send agreement and data transaction requirement by changing control software, realize different synchronous and amount of delay requirements.And the unnecessary radar that requires is that this purpose increases an extra data output interface again.
Claims (3)
1. radar antenna directional information retransmission unit, it is characterized in that: comprising: monolithic computer and differential conversion module, string and modular converter that described monolithic computer has receiving radar antenna direction information link to each other with the differential conversion module by memory module, have the counting and timing module that the outer frame synchronizing signal of radar antenna is processed and link to each other with differential conversion module link with memory module; And outer frame synchronizing signal links to each other with another input of differential conversion module, and described differential conversion module output links to each other with the pilot system of terminal by the data cable of mutual communication.
2. a kind of radar antenna directional information retransmission unit according to claim 1, it is characterized in that: described string and modular converter have carry out the functional module of Conversion of measurement unit, Data Format Transform from the antenna direction information of tested radar.
3. method of radar antenna directional information retransmission unit as claimed in claim 1, adopt the mode of doubling to obtain the Frame that radar sends, utilize monolithic computer and differential conversion module to finish the output of the reception conversion of data, data processing conversion, low-voltage differential, possess the ability with outer sync cap, have the cycle that setting data sends; Its step is as follows:
1), adopt the mode of data acquisition to obtain the Frame that tested radar sends, therefrom detect antenna direction information,
2), after obtaining the radar antenna directional information, the form that the bearing sense information of antenna direction information and pitching directional information are finished data by string and the modular converter of monolithic computer, the unit of data, the serial-to-parallel conversion of data;
3), will receive that the data of conversion are stored in the inside of the memory module of monolithic computer;
4) the outer frame synchronizing signal of, obtaining is counted the time-delay of realization accurate timing by the counter of monolithic computer;
5), the monolithic computer output signal level converts the Low Voltage Differential Signal form to by the low-voltage differential modular converter, the low-voltage differential modular converter and in the future the pilot system Low Voltage Differential Signal of self terminal convert monolithic computer acceptable signal level to;
6), under the outside triggering of frame synchronizing signal, the data that will convert the Low Voltage Differential Signal form after the time-delay of low-voltage differential modular converter to are delivered to the pilot system of terminal, and have the function of transmission frequency data;
During work, retransmission unit connects the data receiver cable that is connected with radar antenna, connect the data that are connected with the pilot system of terminal and send cable, when carrying out the forwarding of radar antenna directional information, powering up startup can move, and sends to pilot system after this device of process is finished Conversion of measurement unit, Data Format Transform, synchronization timing, realizes that the data of 1ms send the interval, duration of work need not manual intervention, unattended operation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007662A (en) * | 2014-05-07 | 2014-08-27 | 中国人民解放军63892部队 | Method and device for improving maximum signal to noise ratio consistency of radio frequency artificial antenna array |
| CN111932864A (en) * | 2020-07-16 | 2020-11-13 | 中国电子科技集团公司第十四研究所 | Conversion system and method for converting radar optical fiber signals into differential signals |
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| CN102023293A (en) * | 2010-09-14 | 2011-04-20 | 中国兵器工业第二○六研究所 | Radar target intermediate frequency (IR) echo simulation system based on multi-beam amplitude-comparison angle measurement and control method thereof |
| CN102495565A (en) * | 2011-11-25 | 2012-06-13 | 中国电子科技集团公司第三十八研究所 | Phased array radar antenna beam control device |
| CN202872768U (en) * | 2012-10-10 | 2013-04-10 | 中国人民解放军63892部队 | Radar antenna pointing information forwarding device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023293A (en) * | 2010-09-14 | 2011-04-20 | 中国兵器工业第二○六研究所 | Radar target intermediate frequency (IR) echo simulation system based on multi-beam amplitude-comparison angle measurement and control method thereof |
| CN102495565A (en) * | 2011-11-25 | 2012-06-13 | 中国电子科技集团公司第三十八研究所 | Phased array radar antenna beam control device |
| CN202872768U (en) * | 2012-10-10 | 2013-04-10 | 中国人民解放军63892部队 | Radar antenna pointing information forwarding device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007662A (en) * | 2014-05-07 | 2014-08-27 | 中国人民解放军63892部队 | Method and device for improving maximum signal to noise ratio consistency of radio frequency artificial antenna array |
| CN104007662B (en) * | 2014-05-07 | 2017-01-04 | 中国人民解放军63892部队 | One improves the radio frequency simulation conforming operation method of aerial array maximum signal to noise ratio |
| CN111932864A (en) * | 2020-07-16 | 2020-11-13 | 中国电子科技集团公司第十四研究所 | Conversion system and method for converting radar optical fiber signals into differential signals |
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