CN110221261A - A kind of radar waveform generation module method for testing and analyzing and device - Google Patents
A kind of radar waveform generation module method for testing and analyzing and device Download PDFInfo
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- CN110221261A CN110221261A CN201910576784.5A CN201910576784A CN110221261A CN 110221261 A CN110221261 A CN 110221261A CN 201910576784 A CN201910576784 A CN 201910576784A CN 110221261 A CN110221261 A CN 110221261A
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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
- G01S7/40—Means for monitoring or calibrating
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Abstract
This application provides a kind of radar waveform generation module method for testing and analyzing and devices, belong to technical field of data processing, for tested waveform generating module to be tested and is analyzed, the described method includes: firstly generating the instruction of control radar signal generation, and the instruction is sent to tested waveform generating module；The broadband signal sent later to tested waveform generating module is filtered, and is obtained the first intermediate-freuqncy signal, and carry out frequency-conversion processing to the narrow band signal that tested waveform generating module is sent, is obtained the second intermediate-freuqncy signal；Analog-to-digital conversion is carried out to the first intermediate-freuqncy signal and the second intermediate-freuqncy signal later；Eventually form the data that can be used in carrying out waveform analysis and compare.Using this process simplify test process and detection device has been saved, is directly analyzed on host computer after acquisition data, improve testing efficiency.
Description
Technical field
The application belongs to technical field of data processing, in particular to a kind of radar waveform generation module method for testing and analyzing and
Device.
Background technique
With the development of Radar Technology, the testing requirement of radar modules is increasingly increased.Radar waveform generation module
Belong to radar system, completes the generation of radar waveform signal and the control management to radio-frequency module.It completes to generate mould to waveform
The instrument and equipment that the test of block needs is relatively more, needs using arriving frequency spectrograph, oscillograph, signal source, phase noise tester etc..
Since the instrument of test needs is more, volume is big, builds experiment test environment and be not easy.And the data that each instrument measures are mutually only
It is vertical, it can not be associated analysis, must first expend more energy for Data Integration if you need to be analyzed data.
During testing for waveform module, there are problems to be: required instrument is numerous, each instrument data is independent,
It is inconvenient to lack targetedly data analysis function, data storage, low efficiency.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, this application provides a kind of radar waveform generation module test analysis
Method and system realize test equipment integration, simplify test environment, test process, improve working efficiency, and realize test number
According to recordable, the analyzable function of data.
The application in a first aspect, a kind of radar waveform generation module method for testing and analyzing is used to that mould to occur to tested waveform
Block is tested and is analyzed, comprising:
Step S1, it generates to carry and controls the control instruction that the tested waveform generating module generates radar signal；
Step S2, the control instruction is sent to the tested waveform generating module；
Step S3, the broadband signal sent to the tested waveform generating module is filtered, and obtains the first intermediate-freuqncy signal,
And frequency-conversion processing is carried out to the narrow band signal that tested waveform generating module is sent, obtain the second intermediate-freuqncy signal；
Step S4, analog-to-digital conversion is carried out to treated first intermediate-freuqncy signal and the second intermediate-freuqncy signal；
Step S5, the data-signal after conversion is handled, generates the number that can be used in carrying out waveform analysis and compare
According to.
Preferably, the control instruction includes controlling the tested waveform generating module to generate under specified clock frequency
Radar signal；
Preferably, the narrow band signal that described pair of generation module is sent carries out frequency-conversion processing and includes:
The narrow band signal generated to the tested waveform generating module is filtered；And
Filtered narrow band signal is amplified, second intermediate-freuqncy signal is obtained.
Preferably, before the narrow band signal generated to the tested waveform generating module is filtered, comprising:
The narrow band signal optionally generated to the tested waveform generating module carries out Frequency mixing processing.
The application second aspect, a kind of radar waveform generation module device for testing and analyzing, for mould to occur to tested waveform
Block is tested and is analyzed, and is specifically included that
Baseband intermediate frequency processing module for generating the control instruction for controlling the tested waveform generating module, and is used for
Analog-to-digital conversion process is carried out to received first intermediate-freuqncy signal and the second intermediate-freuqncy signal；
Filter module is separately connected the tested waveform generating module and baseband intermediate frequency processing module, described for receiving
The broadband signal that tested waveform generating module generates, generates the first intermediate-freuqncy signal, and send at the baseband intermediate frequency after filtering
Manage module；
Interface module is separately connected the tested waveform generating module and baseband intermediate frequency processing module, for the quilt
The control instruction and state surveyed between waveform generating module and baseband intermediate frequency processing module interact transmission；
Down conversion module is separately connected the tested waveform generating module and baseband intermediate frequency processing module, for reception
After the narrow band signal generated from the tested waveform generating module is converted to the second intermediate-freuqncy signal, and send the baseband intermediate frequency to
Processing module；
Performance analysis unit connects the baseband intermediate frequency processing module, for sending the baseband intermediate frequency processing module
The digital signal come is handled, and the data that can be used in carrying out waveform analysis and compare are generated.
Preferably, further include clock module, be coupled respectively to the tested waveform generation module and baseband intermediate frequency processing
Module, for work clock needed for generating tested waveform generating module, and for generating the baseband intermediate frequency processing module
Sample reference clock.
Preferably, the down conversion module includes:
Bandpass filter, the narrow band signal for generating to the tested waveform generating module are filtered；And
Programmable amplifier obtains second intermediate-freuqncy signal for amplifying to filtered narrow band signal.
Preferably, the down conversion module further includes mixing unit, be optionally placed in the bandpass filter with
Between the tested waveform generating module, the narrow band signal for generating to the tested waveform generating module is mixed, and
Signal after mixing is sent to the bandpass filter.
The application third aspect, a kind of computer equipment, which is characterized in that including processor, memory and be stored in
On the memory and the computer program that can run on the processor, the processor execute the computer program and use
In realization radar waveform generation module method for testing and analyzing as described above.
The application fourth aspect, a kind of readable storage medium storing program for executing, the readable storage medium storing program for executing is stored with computer program, described
For realizing radar waveform generation module method for testing and analyzing as described above when computer program is executed by processor.
The application can be used for radar test field, have the advantage that as follows with effect:
(1) 5 different instruments needed for waveform generation module test are tested simultaneously before the present apparatus is invented, and only need the present apparatus now
It can complete to test.
(2) each instrument data is independent before present apparatus invention, and format is different, and the present present apparatus is by the waveform number of test
It is more convenient for analyzing data in instrument according to, all statistics such as state of a control data, timing data.
(3) before present apparatus invention, test record requires manually to participate in, and the present present apparatus may be implemented to test automatically, remember
Record improves and tests the artificial holding time.
(4) before present apparatus invention, analysis waveform data need to acquire data using oscillograph, are then using matlab pairs
Data are analyzed, and are directly analyzed on host computer after present present apparatus acquisition data, improve testing efficiency.
Detailed description of the invention
Fig. 1 is the application radar waveform generation module method for testing and analyzing flow chart.
Fig. 2 is the application radar waveform generation module device for testing and analyzing system architecture diagram.
Fig. 3 is the down conversion module structural schematic diagram of the application embodiment illustrated in fig. 2.
Fig. 4 is the structural schematic diagram for realizing the computer equipment 400 of the application embodiment.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction with the application embodiment
In attached drawing, the technical solution in the application embodiment is further described in more detail.In the accompanying drawings, identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.Described embodiment is
A part of embodiment of the application, rather than whole embodiments.Embodiment below with reference to attached drawing description is to show
Example property, it is intended to for explaining the application, and should not be understood as the limitation to the application.Based on the embodiment in the application,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Apply for the range of protection.Presently filed embodiment is described in detail with reference to the accompanying drawing.
According to the application in a first aspect, a kind of radar waveform generation module method for testing and analyzing, is used to send out tested waveform
Raw module is tested and is analyzed, as shown in Figure 1, specifically including that
Step S1, it generates to carry and controls the control instruction that the tested waveform generating module generates radar signal；
Step S2, the control instruction is sent to the tested waveform generating module；
Step S3, the broadband signal sent to the tested waveform generating module is filtered, and obtains the first intermediate-freuqncy signal,
And frequency-conversion processing is carried out to the narrow band signal that tested waveform generating module is sent, obtain the second intermediate-freuqncy signal；
Step S4, analog-to-digital conversion is carried out to treated first intermediate-freuqncy signal and the second intermediate-freuqncy signal；
Step S5, the data-signal after conversion is handled, generates the number that can be used in carrying out waveform analysis and compare
According to.
In some optional embodiments, the control instruction includes controlling the tested waveform generating module when specified
Radar signal is generated under clock frequency；
In some optional embodiments, the narrow band signal that described pair of generation module is sent carries out frequency-conversion processing and includes:
The narrow band signal generated to the tested waveform generating module is filtered；And
Filtered narrow band signal is amplified, second intermediate-freuqncy signal is obtained.
In some optional embodiments, the narrow band signal generated to the tested waveform generating module is filtered it
Before, comprising:
The narrow band signal optionally generated to the tested waveform generating module carries out Frequency mixing processing.
According to the application second aspect, a kind of radar waveform generation module device for testing and analyzing, for sending out tested waveform
Raw module is tested and is analyzed, as shown in Fig. 2, mainly by clock module 1, filter module 2, interface module 3, down conversion module
4, power module 6, baseband intermediate frequency processing module 5, performance evaluation and display control module 7 are constituted.
Specifically, baseband intermediate frequency processing module 5, for generating the control instruction for controlling the tested waveform generating module,
And for carrying out analog-to-digital conversion process to received first intermediate-freuqncy signal and the second intermediate-freuqncy signal；
Filter module 2 is separately connected the tested waveform generating module and baseband intermediate frequency processing module, described for receiving
The broadband signal that tested waveform generating module generates, generates the first intermediate-freuqncy signal, and send at the baseband intermediate frequency after filtering
Manage module；
Interface module 3 is separately connected the tested waveform generating module and baseband intermediate frequency processing module, for the quilt
The control instruction and state surveyed between waveform generating module and baseband intermediate frequency processing module interact transmission；
Down conversion module 4 is separately connected the tested waveform generating module and baseband intermediate frequency processing module, for reception
After the narrow band signal generated from the tested waveform generating module is converted to the second intermediate-freuqncy signal, and send the baseband intermediate frequency to
Processing module；
Performance evaluation and display control module 7 include performance analysis unit and display unit, and wherein performance analysis unit connects institute
Baseband intermediate frequency processing module is stated, the digital signal for sending the baseband intermediate frequency processing module is handled, and generates energy
It is enough in the data for carrying out waveform analysis and comparing.
In the application, clock module 1 is coupled respectively to the tested waveform generation module and baseband intermediate frequency processing module, uses
The work clock needed for generating tested waveform generating module, and the sampling ginseng for generating the baseband intermediate frequency processing module
Clock is examined, filter module 2 is passed through in the broadband signal input that waveform module 8 to be tested exports, and output is in base band after signal filtering
Frequency processing module 5.RS485, TLL, LDVS differential lines access interface module of waveform module 8 to be tested, interface module pass through
LVDS differential lines are connect with baseband intermediate frequency processing module 5.The narrow band signal of waveform module 8 to be tested accesses down conversion module 4, under
4 output signal of frequency-variable module accesses baseband intermediate frequency processing module 5.6 output voltage of power module is connected to waveform module to be tested.
Baseband intermediate frequency processing module 5 is connect by pci bus with performance evaluation with display control module 7.
In the present embodiment, clock module can pass through host computer for multiple clocks needed for generation system work, user
Select internal reference clock, External Reference clock both of which.Inside and outside clock switching is set by upper computer software, selects external clock
When choosing multiple external clock reference frequency.
The present embodiment integrates the above modules, can use unified clock module, can acquire with for the moment
The data at quarter avoid in the prior art, using different instrument sampled datas because not causing analysis result inaccurate in synchronization
True defect.
IF processing unit is communicated by pci bus interface with host computer, and host computer is arranged wide by pci bus
The bandwidth that band, narrow band signal are handled, the data frame number of record, meanwhile, after completing record, host computer will be counted by host computer
According to upload, final waveform analysis and monitoring are completed by host computer.
Interface module major function can produce the control instruction of test module work, receive the state of tested module output
Signal.The 50TTL status signal of tested module input is acquired；The sampling interval of 50 road TTL signals is set；Show 50 tunnels
The state of TTL signal.
Display module includes instruction transmission, status monitoring, narrow band analyzing, wide-band analysis function interface.Waveform generation module
Detecting and analysing system major function includes: to provide its clock signal needed for working normally, control signal, instruction for equipment under test
Signal；The TTL status signal of equipment under test output is received, and is shown by human-computer interaction interface.
In some optional embodiments, the down conversion module is as shown in figure 3, specifically include that
Bandpass filter, the narrow band signal for generating to the tested waveform generating module are filtered；And
Programmable amplifier obtains second intermediate-freuqncy signal for amplifying to filtered narrow band signal.
In some optional embodiments, the down conversion module further includes mixing unit, is optionally placed in described
Narrow band signal between bandpass filter and the tested waveform generating module, for being generated to the tested waveform generating module
It is mixed, and the signal after mixing is sent to the bandpass filter.
In the present embodiment, radiofrequency signal is downconverted to intermediate-freuqncy signal by down conversion module, and composition block diagram is as shown in Figure 3.It is first
Radio-frequency input signals is first passed through into RF switch 9, radio-frequency input signals and mixed frequency signal obtain intermediate-freuqncy signal, filter by band logical
Wave device 13, programmable amplifier 14 export intermediate-freuqncy signal.In addition it is directly over bandpass filter 10 all the way, programmable amplifier 11 exports
Signal.The switching of RF switch 9 can be arranged in input radio frequency signal by upper computer software.When selection mixing input, switch
It is switched to mixing all the way；Select radio frequency input when, switching to filter all the way.
The application third aspect, a kind of computer equipment, including processor, memory and storage are on a memory and can
The computer program run on a processor, processor execute computer program for realizing the test point of radar waveform generation module
Analysis method.
The application fourth aspect, a kind of readable storage medium storing program for executing, the readable storage medium storing program for executing is stored with computer program, described
For realizing radar waveform generation module method for testing and analyzing as described above when computer program is executed by processor.The calculating
Machine readable storage medium storing program for executing can be included in device described in above embodiment；It is also possible to individualism, and not
It is fitted into the device.Above-mentioned computer readable storage medium carries one or more program, when said one or more
A program is according to the above method handled data when being executed by the device.
Below with reference to Fig. 4, it illustrates the structures for the computer equipment 400 for being suitable for being used to realize the application embodiment to show
It is intended to.Computer equipment shown in Fig. 4 is only an example, is save the cost, the calculating in carrying out Radar Signal Processing
Machine generallys use single-chip microcontroller to replace.
As shown in figure 4, computer equipment 400 includes central processing unit (CPU) 401, it can be read-only according to being stored in
Program in memory (ROM) 402 or be loaded into the program in random access storage device (RAM) 403 from storage section 408 and
Execute various movements appropriate and processing.In RAM403, also it is stored with equipment 400 and operates required various programs and data.
CPU401, ROM402 and RAM403 are connected with each other by bus 404.Input/output (I/O) interface 405 is also connected to bus
404。
I/O interface 405 is connected to lower component: the importation 406 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 407 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 408 including hard disk etc.；
And the communications portion 409 of the network interface card including LAN card, modem etc..Communications portion 409 via such as because
The network of spy's net executes communication process.Driver 410 is also connected to I/O interface 405 as needed.Detachable media 411, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 410, in order to read from thereon
Computer program be mounted into storage section 408 as needed.
Particularly, it according to presently filed embodiment, may be implemented as calculating above with reference to the process of flow chart description
Machine software program.For example, presently filed embodiment includes a kind of computer program product comprising be carried on computer-readable
Computer program on medium, the computer program include the program code for method shown in execution flow chart.In this way
Embodiment in, which can be downloaded and installed from network by communications portion 409, and/or from removable
Medium 411 is unloaded to be mounted.When the computer program is executed by central processing unit (CPU) 401, execute in the present processes
The above-mentioned function of limiting.It should be noted that the computer storage medium of the application can be computer-readable signal media or
Person's computer readable storage medium either the two any combination.Computer readable storage medium for example can be ---
But be not limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above group
It closes.The more specific example of computer readable storage medium can include but is not limited to: have being electrically connected for one or more conducting wires
Connect, portable computer diskette, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type may be programmed it is read-only
Memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory
Part or above-mentioned any appropriate combination.In this application, computer readable storage medium, which can be, any include or stores
The tangible medium of program, the program can be commanded execution system, device or device use or in connection.And
In the application, computer-readable signal media may include in a base band or the data as the propagation of carrier wave a part are believed
Number, wherein carrying computer-readable program code.The data-signal of this propagation can take various forms, including but not
It is limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be computer
Any computer-readable medium other than readable storage medium storing program for executing, the computer-readable medium can send, propagate or transmit use
In by the use of instruction execution system, device or device or program in connection.Include on computer-readable medium
Program code can transmit with any suitable medium, including but not limited to: wireless, electric wire, optical cable, RF etc., Huo Zheshang
Any appropriate combination stated.
Flow chart and block diagram in attached drawing illustrate system, method and computer according to the various embodiments of the application
The architecture, function and operation in the cards of program product.In this regard, each box in flowchart or block diagram can be with
A part of a module, program segment or code is represented, a part of the module, program segment or code includes one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it wants
It is noted that the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, Ke Yiyong
The dedicated hardware based system of defined functions or operations is executed to realize, or can be referred to specialized hardware and computer
The combination of order is realized.
Being described in module or unit involved in the application embodiment can be realized by way of software, can also
It is realized in a manner of through hardware.Described module or unit also can be set in the processor, these modules or unit
Title do not constitute the restriction to the module or unit itself under certain conditions.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of radar waveform generation module method for testing and analyzing, for tested waveform generating module to be tested and is analyzed,
It is characterised by comprising:
Step S1, it generates to carry and controls the control instruction that the tested waveform generating module generates radar signal；
Step S2, the control instruction is sent to the tested waveform generating module；
Step S3, the broadband signal sent to the tested waveform generating module is filtered, and obtains the first intermediate-freuqncy signal, and
Frequency-conversion processing is carried out to the narrow band signal that tested waveform generating module is sent, obtains the second intermediate-freuqncy signal；
Step S4, analog-to-digital conversion is carried out to treated first intermediate-freuqncy signal and the second intermediate-freuqncy signal；
Step S5, the data-signal after conversion is handled, generates the data that can be used in carrying out waveform analysis and compare.
2. radar waveform generation module method for testing and analyzing as described in claim 1, which is characterized in that the control instruction packet
It includes the control tested waveform generating module and generates radar signal under specified clock frequency.
3. radar waveform generation module method for testing and analyzing as described in claim 1, which is characterized in that described pair of generation module
The narrow band signal sent carries out frequency-conversion processing
The narrow band signal generated to the tested waveform generating module is filtered；And
Filtered narrow band signal is amplified, second intermediate-freuqncy signal is obtained.
4. radar waveform generation module method for testing and analyzing as claimed in claim 3, which is characterized in that the tested waveform
Before the narrow band signal that generation module generates is filtered, comprising:
The narrow band signal optionally generated to the tested waveform generating module carries out Frequency mixing processing.
5. a kind of radar waveform generation module device for testing and analyzing, for tested waveform generating module to be tested and is analyzed,
It is characterised by comprising:
Baseband intermediate frequency processing module, for generating the control instruction for controlling the tested waveform generating module, and for docking
The first intermediate-freuqncy signal and the second intermediate-freuqncy signal received carry out analog-to-digital conversion process；
Filter module is separately connected the tested waveform generating module and baseband intermediate frequency processing module, described tested for receiving
The broadband signal that waveform generating module generates, generates the first intermediate-freuqncy signal after filtering, and sends the baseband intermediate frequency processing mould to
Block；
Interface module is separately connected the tested waveform generating module and baseband intermediate frequency processing module, for the tested wave
Shape occurs the control instruction between module and baseband intermediate frequency processing module and interacts transmission with state；
Down conversion module is separately connected the tested waveform generating module and baseband intermediate frequency processing module, for received from institute
It states after the narrow band signal that tested waveform generating module generates is converted to the second intermediate-freuqncy signal, and sends the baseband intermediate frequency processing to
Module；
Performance analysis unit connects the baseband intermediate frequency processing module, for send the baseband intermediate frequency processing module
Digital signal is handled, and the data that can be used in carrying out waveform analysis and compare are generated.
6. radar waveform generation module device for testing and analyzing as claimed in claim 5, which is characterized in that further include clock mould
Block is coupled respectively to the tested waveform generation module and baseband intermediate frequency processing module, for generating tested waveform generating module
Required work clock, and the sample reference clock for generating the baseband intermediate frequency processing module.
7. radar waveform generation module device for testing and analyzing as claimed in claim 5, which is characterized in that the down conversion module
Include:
Bandpass filter, the narrow band signal for generating to the tested waveform generating module are filtered；And
Programmable amplifier obtains second intermediate-freuqncy signal for amplifying to filtered narrow band signal.
8. radar waveform generation module device for testing and analyzing as claimed in claim 7, which is characterized in that the down conversion module
Further include mixing unit, be optionally placed between the bandpass filter and the tested waveform generating module, for pair
The narrow band signal that the tested waveform generating module generates is mixed, and the signal after mixing is sent to the bandpass filtering
Device.
9. a kind of computer equipment, which is characterized in that including processor, memory and be stored on the memory and can be
The computer program run on the processor, the processor execute the computer program for realizing such as claim 1-
4 described in any item radar waveform generation module method for testing and analyzing.
10. a kind of readable storage medium storing program for executing, the readable storage medium storing program for executing is stored with computer program, which is characterized in that the calculating
For realizing radar waveform generation module test analysis according to any one of claims 1-4 when machine program is executed by processor
Method.
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| CN111476986B (en) * | 2020-03-10 | 2021-05-25 | 上海卫星工程研究所 | Remote control instruction pulse waveform testing method |
| CN111638495A (en) * | 2020-06-01 | 2020-09-08 | 南京隼眼电子科技有限公司 | Radar test system |
| CN112213625A (en) * | 2020-09-30 | 2021-01-12 | 中国航空工业集团公司雷华电子技术研究所 | Automatic temperature test method and device for signal generation board |
| CN112213625B (en) * | 2020-09-30 | 2024-10-15 | 中国航空工业集团公司雷华电子技术研究所 | Automatic temperature experiment test method and device for signal generation plate |
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| CN110221261B (en) | 2023-01-06 |
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