CN105445702A - Method and device for processing STC control object - Google Patents
Method and device for processing STC control object Download PDFInfo
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- CN105445702A CN105445702A CN201510844601.5A CN201510844601A CN105445702A CN 105445702 A CN105445702 A CN 105445702A CN 201510844601 A CN201510844601 A CN 201510844601A CN 105445702 A CN105445702 A CN 105445702A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a method and a device for processing an STC control object and discloses a STC (sensitive time control) method for controlling various amplitude and the sector area object processing. The method comprises steps of receiving signals of an antenna, a channel and a difference channel through a receiver, generating a wave detection signal, performing A/D data conversion on a medium-high frequency signal produced by frequency conversion under the antenna reception signal, obtaining the amplitude, the phase, the sensitivity or the signal to the noise ratio, the distance, the azimuth, the amplitude and the phase calibration information through collection and processing and performing compositing and correlating, and generating various amplitude STC control curve and the azimuth STC control curve in different sector areas. The invention finishes the STC control in various sector areas by the ground receiver of the navigation management secondary radar, reduces the false object and improves the anti-interference performance of the ground receiver and the system.
Description
Technical field
The present invention relates to navigation management secondary radar target processing techniques field, particularly relate to the method and apparatus of a kind of amplitude STC control and the process of orientation STC control objectives.
Background technology
Ground navigation management secondary radar equipment monitors Aircraft Targets and processes, even if ground launch signal meets standard-required, but because answer signal may occur many through reflection, multiple goal and difference beam can not cover and the situation such as the minor level of wave beam, there will be false target.
Current, uphole equipment only adopts amplitude STC to control according to the distance of target, receiver sensitivity, but the actual conditions received and the different parameters conditions relevant process such as passage are not carried out to the control in amplitude and orientation in practice, the situations such as the reflected signal of reception, multiple goal and secondary lobe response there will be false multiple goal.
Summary of the invention
Technical matters to be solved by this invention is, there is provided a kind of to control and the method and apparatus of orientation STC control objectives process through informix process amplitude STC, different curves is adopted to control to different sector, with the target process by controlling minimizing falseness.
The present invention solves the problems of the technologies described above the method that adopted technical scheme is to provide the process of a kind of STC control objectives, and the method comprising the steps of:
S1, generation calibration control signal, producing calibrating signal startup amplitude and phase alignment by controlling calibration, obtaining receiving cable amplitude and phase alignment information;
S2, receiving antenna and, difference signal limit filtration;
S3, process described antenna and, difference signal frequency conversion produce high frequency signal, produce rectified signal, carry out signal amplitude collection, Phase Processing;
S4, the conversion of A/D data is carried out to described high frequency signal, by receive described and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing;
S5, according to data such as se ctor partition admission orientation etc.;
S6, by the amplitude information of described target, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information partitioned storage;
S7, described amplitude information, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information are carried out comprehensive association process, and result is stored in distribution dedicated memory region;
S8, distance according to described amplitude information, phase information, sensitivity information, target, bearing data, amplitude and the process of phase alignment informix produce amplitude STC controlling curve and the orientation STC controlling curve of described sector.
Preferably, in step S1, start the calibration of channel amplitude and phase place, obtain and store amplitude and phase alignment information data.
Preferably, described amplitude information changes along with the distance with target, if described target range is far away, then the signal amplitude received is low; If described target range is near, then the signal amplitude of described reception is high, and stores amplitude data; If described target has the situations such as reflection and secondary lobe, then receive the signal of multiple different amplitude, and store the data such as whole described amplitudes.
Preferably, the conversion of A/D data is carried out to described high frequency signal, by receive described and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing.
Preferably, spatial domain being divided into some sectors, when gathering described amplitude information, recording the information such as different described orientation.
Preferably, after ground trigger pip is launched, Received signal strength, the process admission information such as target range, orientation also stores, according to described target range, described sensitivity information, amplitude information, phase information, bearing data, amplitude and phase alignment information, the different described different sectors amplitude STC controlling curve of comprehensive output and orientation STC controlling curve.
Preferably, described ground trigger pip x time is stored in trigger data district, as the initial time of described STC controlling curve.
On the other hand, the invention provides the device of a kind of aviation management STC control objectives process, this device comprises:
Amplitude and phase alignment end, exporting for starting calibration the calibration that calibrating signal carries out channel amplitude and phase place, obtaining and storing amplitude and phase alignment information data.
Receiving end, receive for receiving antenna and, carry out down coversion after difference signal limit filtration and produce high frequency signal, produce rectified signal, carry out signal amplitude collection, Phase Processing;
A/D end of convert, for being converted into data message by the high frequency signal received;
Signal transacting end, for signal transacting and, difference signal, amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data, obtain associated data by comprehensive association;
Data message admission end, for the treatment of admission and, difference signal, amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data;
Data store end, for storing the described amplitude information, phase information, sensitivity information, range data, amplitude and the information such as phase alignment information and bearing data that obtain producing in described STC controlling curve process;
STC produces end, for comprehensive described amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data, occurs to control output amplitude STC controlling curve and orientation STC controlling curve by digital to analog converter or waveform.
Preferably, described signal transacting end completes:
Process described and, difference signal, produce rectified signal;
After described trigger pip is launched, described signal transacting end process Received signal strength, gather the described amplitude information of admission, information such as phase information acquisition target range and orientation etc., process gathers admission data, judges to obtain the described amplitude information of different sector, phase information, sensitivity information, azimuth information and described range information;
Spatial domain is divided into some sectors by signal transacting end, when gathering the information such as described amplitude, records the information such as the amplitude described in different sector.
Preferably, the calibration terminal of described amplitude and phase place completes:
Start the calibration of channel amplitude and phase place, obtain and store amplitude and phase alignment information data.
Preferably, described A/D end of convert completes:
The conversion of A/D data is carried out to described high frequency signal, by receive described and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing;
Described range signal is associated with range information.
Preferably, described data storage end completes:
Described amplitude information, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information are stored in respectively in six data storage areas, and described information association process is stored in associated storage areas, after amplitude and phase alignment, information is stored in and calibrates memory block;
In the moment that record ground trigger pip is launched, be stored in time memory block, as the initial time of described STC controlling curve;
The described range data of described signal transacting end admission and computing is stored in range data memory block, if having reflection and side-lobe signal etc., then produces the data such as multiple described distances, be all stored in the subpool of described data storage area.
Accompanying drawing explanation
Fig. 1 is the principle composition frame chart of STC control objectives process in a preferred embodiment of the present invention;
Fig. 2 is STC control objectives processing signals processing flow chart in a preferred embodiment of the present invention;
Fig. 3 is data recording process flow diagram in a preferred embodiment of the present invention;
Fig. 4 is flow chart of data processing figure in a preferred embodiment of the present invention;
Fig. 5 is the structural drawing of the device of STC control objectives process in a preferred embodiment of the present invention.
Embodiment
Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.Instructions subsequent descriptions is for implementing better embodiment of the present invention, and right described description is to illustrate for the purpose of rule of the present invention, and is not used to limit scope of the present invention.Protection scope of the present invention is when being as the criterion depending on the claims person of defining.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As depicted in figs. 1 and 2, be a preferred embodiment of the present invention, disclose the method for a kind of STC control objectives process, the method comprises step:
S1, generation calibration control signal, producing calibrating signal startup amplitude and phase alignment by controlling calibration, obtaining receiving cable amplitude and phase alignment information;
S2, receiving antenna and, difference signal limit filtration;
S3, process antenna and, difference signal, frequency conversion produce high frequency signal, produce rectified signal, carry out signal amplitude collection, Phase Processing;
S4, the conversion of A/D data is carried out to high frequency signal, by receive and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing;
S5, according to data such as se ctor partition admission orientation etc.;
S6, by the amplitude information of target, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information partitioned storage;
S7, amplitude information, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information are carried out comprehensive association process, and result is stored in distribution dedicated memory region;
S8, distance according to amplitude information, phase information, sensitivity information, target, bearing data, amplitude and the process of phase alignment informix produce amplitude STC controlling curve and the orientation STC controlling curve of sector.
In the present embodiment, to carrying out amplitude limit with, difference channel radio frequency signal, filtering, height put and the process such as frequency-selecting, produce rectified signal, high frequency signal is obtained by Received signal strength down coversion, and amplitude collection is carried out to it, be data-signal by analog-signal transitions, process obtains amplitude information, phase information, sensitivity information; Spatial domain is divided into N number of sector (orientation N1, pitching N2), each sector (360/N1 degree, 360/N2 degree); Process admission bearing data, information processing, by carrying out comprehensive association process to amplitude information, phase information, sensitivity information, bearing data, obtains the comprehensive related information of different sector; Carry out receiving cable amplitude and phase alignment by control startup amplitude and phase alignment, be compensated data; Produce different amplitude STC controlling curve and orientation STC controlling curve in different sector, thus the STC completed in different sector controls, the waveform of STC controlling curve in different sector is different, by controlling the dirigibility that can improve process, reduces false target.
See Fig. 3, disclose the method for amplitude information and bearing data being carried out to data recording.In the present embodiment, A/D converter selects the parameters such as the figure place of A/D converter according to signalman's working frequency, bandwidth, the performance synthesis such as dynamic, such as select 16 A/D converters, by A/D converter, analog to digital conversion is carried out to the high frequency signal obtained with, difference signal down coversion, every road and, difference signal converts totally 32 bit data to, enroll and store amplitude information, admission process bearing signal, and store directions data; Amplitude information, phase information, sensitivity information, amplitude and phase alignment information and bearing data are carried out subregion and stored, definition start address, parameter value is carried out by address, by to parameter signal process, upgrade in time and take desired data, simultaneously because all signals carry out the process of data than directly taking the mode anti-interference of analog signal processing stronger through analog to digital conversion.
Further, ground trigger pip is launched, and in the stored transmit moment, as the initial time of STC controlling curve, after uphole equipment transmits to sky, the information of reception carries out signal transacting and data processing, can resolve the distance and bearing information that process obtains target.
As shown in Figure 4, disclose after data recording completes, carry out the method for signal transacting.In the present embodiment, signal transacting is divided into three aspects:
Amplitude information changes along with the distance with target, if target range is far away, then the signal amplitude received is low; If target range is near, the signal amplitude then received is high, be data message by the signal of acceptance by A/D Collect conversion, when having the situations such as reflection and secondary lobe when echo signal, the signal of multiple different amplitude can be received, the information data that Received signal strength is obtained after being gathered by A/D is multiple, whole signal datas of storage of collected, can obtain amplitude information and phase information by process.Image data by filtering, the process such as relevant, by amplitude information with obtain distance, bearing data is associated and stores, can when producing STC controlling curve selection data.
Further, in the present embodiment, when gathering amplitude information, process the phase information of record object and store, spatial domain is divided into N1=36 by signal transacting, N2=36 sector, each sector (10,10); Amplitude information and sensitivity information being carried out association store, amplitude information, phase information, range information, sensitivity information and bearing data association store, one_to_one corresponding, when producing STC controlling curve, being convenient to extract and data processing, curve plotting.
For obtaining comparatively in real time data accurately, under signal transacting controlling, starting before triggering is launched and producing calibration timing control signal, starting the calibration of channel amplitude and phase place, by different reception channel amplitude and phase alignment.Calibrating signal is divided into two-way by merit and exports, one road is to receiver and passage, another road directly causes receiver difference passage, receiver to, difference signal carries out filtering, amplify, frequency conversion etc., send high frequency signal after A/D conversion, acquisition process obtains the amplitude-phase information of two paths of signals, amplitude difference and phase differential relation are supplied to back-end processing circuit, complete the signal amplitude difference under multipath reception passage different working modes and phase data collection successively, obtain amplitude and phase alignment information data, these data can be used for the amplitude compensating receiving cable, Sensor gain and phase perturbations.
Further, judge sector belonging to admission data, be stored in corresponding domain; Admission and, difference signal amplitude information, and to store; When trigger pip is launched, comprehensive distance information, sensitivity information, amplitude information, phase information, amplitude and phase alignment information, bearing data, controlled by digital to analog converter or waveform generation, export amplitude STC controlling curve and the orientation STC controlling curve of different sector, control receiving sensitivity according to sector controlling curve, reduce false target.
In the present embodiment, by amplitude information, phase information, sensitivity information, amplitude and phase alignment information, range information and bearing data are carried out interrelated, data storage areas is corresponding with se ctor partition, ensure that the process of much information data correlation determines STC controlling curve jointly, false target can be reduced, according to target component situation control signal receiving sensitivity, interference can be reduced and improves resolution false target simultaneously.
One of ordinary skill in the art will appreciate that, the all or part of step realized in above-mentioned implementation method can carry out hardware design by DSP signal processor and FPGA scale programmable logic device and software programming process has combined, this handling procedure is when performing, comprise each step of above-mentioned implementation method, and described storage medium can be: storer, storage card etc.Therefore, corresponding with method of the present invention, the present invention also comprises the device of a kind of STC control objectives process simultaneously, and see Fig. 5, corresponding with above-described embodiment method step, this device comprises:
Amplitude and phase alignment end, exporting for starting calibration the calibration that calibrating signal carries out channel amplitude and phase place, obtaining and storing amplitude and phase alignment information data.
Receiving end, receiving antenna receive and, difference signal carry out after carrying out amplitude limit, filtering etc. down coversion produce high frequency signal, process produce rectified signal, carry out signal amplitude collection, Phase Processing;
A/D end of convert, for being converted into data message by the high frequency signal received;
Signal transacting end, for the treatment of with, difference signal amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data, obtain associated data by comprehensive association;
Data message admission end, for the treatment of admission and, difference signal amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data;
Data store end, for storing described amplitude information, phase information, sensitivity information, range data, amplitude and the information such as phase alignment information and bearing data and comprehensive related information that obtain producing in described STC controlling curve process;
STC produces end, for comprehensive described amplitude information, phase information, sensitivity information, range data, phase alignment information and bearing data, there is by digital to analog converter or waveform the amplitude STC controlling curve and the orientation STC controlling curve that control the different sector of output.
In the present embodiment, after receiving end receives signal transacting, by the process of information processing end and, difference signal amplitude information, phase information, sensitivity information, amplitude and phase alignment information, range information and bearing data, the process of data message admission end amplitude information and bearing data etc., pass through se ctor partition, the information such as comprehensive association process target range information, amplitude information, sensitivity information and bearing data, control according to different amplitudes and orientation, different STC controlling curve can be obtained in different sector.Analog to digital conversion is adopted to carry out data acquisition process, stronger than the anti-interference of Analog signals.
Further, A/D end of convert completes:
To be transformed to respectively with, difference signal and, difference numerical information carry out filtering process.
Further, signal transacting end completes:
Process described and, difference signal, process produces rectified signal;
Gather the described amplitude information of admission, process admission data, judge the sensitivity information, phase information, range information, azimuth information etc. that obtain different sector;
After trigger pip is launched, signal transacting end process Received signal strength, admission process azimuth information, amplitude and phase alignment information and range data;
Spatial domain is divided into some sectors by signal transacting end, the parameter information that different sector record is different.
In the present embodiment, signal transacting end is by process amplitude information, phase information, amplitude and phase alignment information, azimuth information and range information, completing data is stored in territory corresponding to its sector, by the amplitude information, range information, sensitivity information, phase information, amplitude and the phase alignment information that comprehensively associate and bearing data, control through digital-to-analog conversion and waveform generation, export different STC controlling curve and control receiver sensitivity, the control of different curve decreases false target.
Further, the calibration terminal of amplitude and phase place completes:
Start the calibration of channel amplitude and phase place, obtain and store amplitude and phase alignment information data.
Further, A/D end of convert completes:
The conversion of A/D data is carried out to high frequency signal, by receive and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing;
Range signal is associated with range information.
In the present embodiment, data store end and complete:
Sensitivity information, amplitude information, phase information and bearing data are stored in respectively in the first memory block, the second memory block and phase place bearing data memory block, and by amplitude information and sensitivity information association store;
Record sends the moment of ground trigger pip, is stored in time memory block, as the initial time of STC controlling curve;
The range data of the admission of signal transacting end and calculating is stored in range data memory block, if there are the signals such as reflection and secondary lobe, then produce multiple range data, be all stored in range data memory block.Different reception channel amplitude and phase alignment information data are stored.
In the present embodiment, data store end and sensitivity information, amplitude information, phase information, amplitude and phase alignment information, range data and bearing data are stored in respective sectors, conveniently extract data, the quick formation of STC controlling curve can be ensured, and the position of these data messages is interrelated or one_to_one corresponding, other associated data information can be obtained fast by a certain data message, convenient, flexible.
Compared with prior art, the invention provides the method and apparatus of a kind of STC control objectives process, uphole equipment by receive and, difference signal carries out amplitude, Phase Processing, obtain the information such as the amplitude of signal and phase place, and it enrolled; Meanwhile, spatial domain is divided into some sectors, the range information of admission signal transacting and bearing data, and is stored in corresponding field, complete data message admission; Data processing is carried out to the information after admission, determines distance, azimuth information associates with amplitude information, and associated with sensitivity information by amplitude information, be stored in the sector of corresponding data storage.Digital-to-analog conversion after integrated digital process, related information, produces amplitude STC controlling curve and the orientation STC controlling curve of different sector, controls the sensitivity of receiver, controls, decrease false target to different sectors.
It should be noted that; the foregoing is only preferred embodiment of the present invention; not thereby limit scope of patent protection of the present invention, the present invention can also improve the contexture design architecture of above-mentioned various parts and structure, or adopts technically equivalent ones to replace.Therefore the equivalent structure change that all utilizations instructions of the present invention and diagramatic content are done, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the present invention contains.
Claims (11)
1. a method for STC control objectives process, is characterized in that, described method comprises step:
S1, generation calibration control signal, producing calibrating signal startup amplitude and phase alignment by controlling calibration, obtaining receiving cable amplitude and phase alignment information;
S2, receiving antenna and, difference signal limit filtration;
S3, process described antenna and, difference signal, frequency conversion produce high frequency signal, produce rectified signal, carry out signal amplitude collection, Phase Processing;
S4, the conversion of A/D data is carried out to described high frequency signal, by receive described and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing;
S5, according to data such as se ctor partition admission orientation etc.;
S6, by the amplitude information of described target, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information partitioned storage;
S7, described amplitude information, phase information, sensitivity information, range information, bearing data, amplitude and phase alignment information are carried out comprehensive association process, and result is stored in distribution dedicated memory region;
S8, distance according to described amplitude information, phase information, sensitivity information, target, bearing data, amplitude and the process of phase alignment informix produce amplitude STC controlling curve and the orientation STC controlling curve of described sector.
2. the method for claim 1, is characterized in that, in step S1, starts the calibration of channel amplitude and phase place, obtains and store amplitude and phase alignment information data.
3. the method for claim 1, is characterized in that, described amplitude information changes along with the distance with target, if described target range is far away, then the signal amplitude received is low; If described target range is near, then the signal amplitude of described reception is high, and stores amplitude data; If described target has reflection and secondary lobe etc., then receive the signal of multiple different amplitude, and store whole described amplitude data.
4. the method for claim 1, is characterized in that, carries out the conversion of A/D data to described high frequency signal, by receive described and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing.
5. the method for claim 1, is characterized in that, spatial domain is divided into some sectors, and when gathering the information such as described amplitude, record stores the information such as the amplitude described in different sector.
6. the method for claim 1, it is characterized in that, after ground trigger pip is launched, after signal to be received, admission process sensitivity information, phase information, amplitude information, target range and azimuth information, the data such as comprehensive described orientation, export different described amplitude STC controlling curve and orientation STC controlling curve.
7. the method for claim 1, is characterized in that, described ground trigger pip x time is stored in trigger data district, as the initial time of described STC controlling curve.
8. a device for STC control objectives process, is characterized in that, described device comprises:
Amplitude and phase alignment end, exporting by starting calibration the calibration that calibrating signal carries out channel amplitude and phase place, obtaining and storing amplitude and phase alignment information data.
Receiving end, receive for receiving antenna and, carry out down coversion after difference signal limit filtration and produce high frequency signal, process produces rectified signal, carries out the process such as signal amplitude collection, phase place;
A/D end of convert, for being converted into data message by the high frequency signal received;
Signal transacting end, for signal transacting and, difference signal, amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data, obtain associated data by comprehensive association;
Data message admission end, for the treatment of admission and, difference signal, amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data;
Data store end, for storing the described amplitude information, phase information, sensitivity information, range data, amplitude and the information such as phase alignment information and bearing data that obtain producing in described STC controlling curve process;
STC produces end, for comprehensive described amplitude information, phase information, sensitivity information, range data, amplitude and phase alignment information and bearing data, occurs to control output amplitude STC controlling curve and orientation STC controlling curve by digital to analog converter or waveform.
9. device as claimed in claim 8, it is characterized in that, described signal transacting end completes:
Process described and, difference signal, produce rectified signal;
After described trigger pip is launched, described signal transacting end process Received signal strength, gather the described amplitude information of admission and obtain the information such as target range, phase information and orientation, process gathers admission data, judges to obtain the described amplitude information of different sector, phase information, sensitivity information, azimuth information and described range information;
Spatial domain is divided into some sectors by signal transacting end, when gathering the information such as described amplitude, recording the information such as the amplitude described in different sector and storing.
10. device as claimed in claim 8, it is characterized in that, described A/D end of convert completes:
By described in receiving and, high frequency signal after difference signal down coversion be transformed to respectively and, difference data to be to carry out filtering and digital processing.
11. devices as claimed in claim 8, is characterized in that, described data store end and complete:
Described amplitude information, phase information, sensitivity information, range information, amplitude and phase alignment information and bearing data are stored in respectively in six data storage areas, and described information association process is stored in associated storage areas, after amplitude and phase alignment, information is stored in and calibrates memory block;
In the moment that record ground trigger pip is launched, be stored in time memory block, as the initial time of described STC controlling curve;
The described range data of described signal transacting end admission and calculating is stored in range data memory block, if there are the signals such as reflection and secondary lobe, then produce multiple described amplitude information, range data etc., be all stored in the subpool of described data storage area.
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| CN106980109A (en) * | 2017-05-03 | 2017-07-25 | 四川九洲电器集团有限责任公司 | A kind of multiple submatrixes low altitude radar |
| CN107607925A (en) * | 2017-09-07 | 2018-01-19 | 西安电子工程研究所 | A kind of target RCS real time evaluating methods of radar application |
| CN108303680A (en) * | 2018-01-04 | 2018-07-20 | 厦门兴康信科技股份有限公司 | The signal and data processing terminal of pathfinder |
| CN112083388A (en) * | 2020-09-10 | 2020-12-15 | 四川九洲空管科技有限责任公司 | Point trace quality evaluation method based on secondary radar response signal |
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| CN112083388B (en) * | 2020-09-10 | 2022-07-19 | 四川九洲空管科技有限责任公司 | Trace point quality evaluation method based on secondary radar response signal |
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