CN109870674A - The method and apparatus of Software Radar signals security protection - Google Patents
The method and apparatus of Software Radar signals security protection Download PDFInfo
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- CN109870674A CN109870674A CN201910114158.4A CN201910114158A CN109870674A CN 109870674 A CN109870674 A CN 109870674A CN 201910114158 A CN201910114158 A CN 201910114158A CN 109870674 A CN109870674 A CN 109870674A
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Abstract
The present invention provides a kind of method and apparatus of Software Radar signals security protection, this method comprises: receiving Software Radar signal；Software Radar signal is backed up at least three storage address, generates Backup Data；Compare Backup Data, generates safe Software Radar signal.The present invention is by the way that the backup of Software Radar signal to be stored in storage address, so that before carrying out signal adjustment and calculating, signal parameter is compared, correct the signal parameter of error, choose adjustment of the correct parameter for signal, ensure that Software Radar signal generator input parameter is accurate, generates safe Software Radar signal, the security performance of Software Radar system can be greatlyd improve.
Description
Technical field
A kind of protected the present invention relates to the radio broadcasting communications field more particularly to Software Radar signals security method and
Device.
Background technique
The relatively fixed constant technical system of radar parameter has been difficult the operational environment for adapting to become increasingly complex at present, general
The survival ability of logical radar constantly faces the challenge.And use the radar signal waveform of software and radio technique and parameter that can pass through
Software and radio technique reconfigures feature, is in time changed according to different environmental demands, enables radar parameter quick
Agile, the effective threat for coping with electronic warfare.In the research of Software Radar, the security performance of radar gradually causes people's
Pay attention to, have become a hot topic of research, carrying out security protection project study to each section in Software Radar system becomes concern at present
Focal issue.It is mainly currently the design realization for passing through hardware structure to software radio reliance security means of defence,
Or security protection is provided in software radio downloading process.For example, one kind of the propositions such as Liao Jun is component-based general soft
Part wireless installation framework is constructed hardware structure in the way of general processor plus application specific processor, and uses software frame
Hardware is abstracted and is managed.What for another example Lee was proposed that defines new software radio architecture, takes out safety monitoring layer, has
The function of thering are reconfiguration parameters to monitor and verify.
But in existing Software Radar security of system research, there are still a large amount of disadvantages:
1) at present existing software radio safety protecting method primarily directed to the security protection in software download procedure,
Single safety protecting method is unable to ensure the safety of Software Radar, needs the data for Software Radar system transmitter part
Safety carries out security protection research to ensure the safe and stable operation of radar system.
2) there are many existing software radio safety protecting methods, but each mechanism has its feature and limitation.
For example the software radio security protection scheme versatility of some new definition is poor, is not used to based on software and radio technique
In Software Radar.
For the Software Radar safety problem that may be present currently based on software and radio technique, reliable safety is found
Protectiving scheme is very necessary and urgent.
Summary of the invention
In order to constantly promote Software Radar function and performance, technological progress is closely followed, continually changing military requirement is adapted to, is solved
The certainly safety problems such as maliciously being distorted of may occurring of the program and data of signal processor in Software Radar system, the present invention
Provide a kind of method and apparatus of Software Radar signals security protection.
In a first aspect, the present invention provides a kind of methods of Software Radar signals security protection, which comprises
Receive Software Radar signal；
The Software Radar signal is backed up at least three storage address, generates Backup Data；
Compare the Backup Data, generates safe Software Radar signal.
Second aspect, the present invention provides a kind of device of Software Radar signals security protection, described device includes:
Receiving module, for receiving Software Radar signal；
Backup Data generation module, for the Software Radar signal to be backed up at least three storage address,
Generate Backup Data；
Software Radar signal generation module is used for the Backup Data, generates safe Software Radar signal.
The third aspect, the present invention provides a kind of electronic equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, the processor realize the Software Radar that first aspect provides when executing described program
The step of signals security means of defence.
Fourth aspect, the present invention provide a kind of non-transient computer readable storage medium, are stored thereon with computer program,
The step of Software Radar signals security means of defence that first aspect provides is realized when the computer program is executed by processor.
The present invention is by the way that the backup of Software Radar signal to be stored in storage address, so that carrying out signal adjustment calculating
Before, signal parameter is compared, the signal parameter of error is corrected, chooses adjustment of the correct parameter for signal, it is ensured that soft
Part Radar Signal Generator inputs parameter accuracy, generates safe Software Radar signal, can greatly improve Software Radar
The security performance of system.
For above and other objects, features and advantages of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate institute's accompanying drawings, it is described in detail below.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of Software Radar signals security means of defence provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of existing Software Radar transmitter；
Fig. 3 is the processing method flow diagram in security protection judging process provided in an embodiment of the present invention；
Fig. 4 is the software flow of signal generator in Software Radar signals security means of defence provided in an embodiment of the present invention
Schematic diagram；
Fig. 5 is the device block diagram of Software Radar signals security provided in an embodiment of the present invention protection；
Fig. 6 is electronic device block diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Software radio (Software Defined Radio, SDR) is a kind of radio broadcasting communication technology, it is based on
The wireless communication protocol of software definition rather than pass through hardwired realize.Frequency band, air interface protocol and function can be by under softwares
Load and upgrading of more newly arriving, without replacing hardware with complete.Compared with traditional radio, software radio has restructural outstanding
Characteristic, can by programming realize change radio system in waveform and algorithm so that equipment can be adapted for multiple standards,
Multiple frequency bands and realize multiple functions, it programming device is not used only come complete baseband digital signal processing, will also be to radio frequency
And the analog circuit of intermediate frequency is programmed and reconstructs.By reconfiguration operation software radio can adapt to different operation environment and
The demand of user.
Software Radar is the development and design achievement that the design philosophy of software radio is applied to radar, with software radio
Based on the modern radar new thought, the new concept that propose.This radar uses the new design concept of software radio, software
Radar signal waveform and parameter can be loaded by software, using the reconfigurability of software radio, according to different operation rings
Border demand and in time change, to successfully manage the threat of electronic warfare.
Currently based on the Software Radar of software and radio technique, there are a series of safety problems: signal in Software Radar system
The program and data of processor can suffer from malice and distort；When Software Radar is when carrying out signal processing, use is unwarranted
Using with network service, or modify software etc. in the case where without permission and be likely to cause the failure of wireless device；It dislikes
The data for distorting the radio frequency parameter and transmission that can change radio of meaning, cause Software Radar can not work normally, program
Processing result range may exceed the accessible range of radar system hardware attributes, damage to equipment；Software distorts meeting
Cause Software Radar that can not normally realize the functions such as detection and positioning, the failure of radar can cause the catastrophic event of whole system
Barrier.In order to solve disadvantages mentioned above, the embodiment of the present invention provides a kind of method and apparatus of Software Radar signals security protection.Such as figure
Shown in 1, Fig. 1 is the flow diagram of Software Radar signals security means of defence provided in an embodiment of the present invention, this method in figure
Include:
Step 101, Software Radar signal is received.
Specifically, Software Radar system mainly includes transmitter and receiver two parts, in Software Radar transmitter section,
Any one radar signal can be indicated with modulated sinusoidal signal:
The characteristic parameter of radar signal is by three characteristic quantity f in formula0, a (t) andTo describe.Wherein, a (t) is indicated
Amplitude function, f0Indicate a certain frequency,Indicate phase modulation function.At this point, Software Radar system receiver receives radar letter
Number.Herein, Software Radar system is that the design philosophy of software radio is applied to the development and design achievement of radar, with software
Modern radar new thought, the new concept proposed based on radio.This radar is newly managed using the design of software radio
It reads, Software Radar signal waveform and parameter can be loaded by software, using the reconfigurability of software radio, according to different
Operational environment demand and in time change, to successfully manage the threat of electronic warfare.
Step 102, Software Radar signal is backed up at least three storage address, generates Backup Data.
Specifically, being subject to the part that malice is distorted in Software Radar system is mainly Radar Waveform Generator and radar letter
Number processor, the program area DSP and data storage area and register therein are likely to occur illegally to distort or interfere, influence
The normal function of Software Radar.At this point, the radar signal of Software Radar is carried out multiple backups, it is stored at least three storage
In address, after Software Radar system boot powers on, the judgement of key variables and parameter is done before carrying out signal processing, by three groups
The court verdict of data is sent into DSP and carries out signal processing.It should be noted that DSP is by extensive or ultra-large integrated electricity
The processor for being used to complete certain signal processing tasks of road chip composition.It is to adapt to High speed real-time signal processing task
It needs and has gradually developed.With the development of integrated circuit technique and digital signal processing algorithm, digital signal processor
Implementation method also constantly changing, processing function be continuously improved and expand.
Step 103, compare Backup Data, generate safe Software Radar signal.
Specifically, multiple Backup Datas are compared by soft decision program, and it is arranged and compares mark.Wherein, soft
Part ordo judiciorum refers to, is compared according to embodiments of the present invention to the data portion in more parts of Backup Datas, backs up when two
When data are identical, then represent two Backup Datas content be it is duplicate, will compare traffic sign placement be 0, when two
When a Backup Data is not exactly the same, then represent two Backup Datas content be it is different, will compare traffic sign placement is
1。
In embodiments of the present invention, three backups have been done into radar signal taking-up from external memory, has been respectively stored in
In first storage address of Software Radar, the second storage address and third storage address, in judging process, first compare the first ground
Comparison result is stored in variable judgement mark, is assigned to if unanimously can be used as right value by the data in location and the second address
Relevant parameter generates safe Software Radar signal, no longer carries out subsequent comparison；When the first address and two address data not
When consistent, the data read in third address are compared, and are made decisions to comparison result three times, when there are two Backup Datas
When identical, then it is assigned to corresponding software radar signal using any one in two identical Backup Datas as right value, generates safety
Software Radar signal；When three Backup Datas are different from, that is, when comparing Backup Data error number and being greater than twice, then system
Reset, again from external memory read Software Radar signal parameter be stored in three storage address, using parameter into
Row re-calls signal decision program before calculating and is compared.
The embodiment of the present invention is by the way that the backup of Software Radar signal to be stored at least three storage address, so that carrying out
Before signal adjustment calculates, signal parameter is compared, the signal parameter of error is corrected, chooses correct parameter for signal
Adjustment, it is ensured that Software Radar signal generator input parameter it is accurate, generate safe Software Radar signal, can greatly mention
The security performance of high Software Radar system.
Content based on the above embodiment, as a kind of alternative embodiment: comparing Backup Data, generate safe software thunder
Include: up to signal
Compare the waveform parameter value in Backup Data, generates safe Software Radar signal；Wherein, waveform parameter value packet
It includes: frequency values, phase value, range value.
Specifically, being divided into simulation and digital method in existing radar signal Waveform generating method, wherein digital method is
The mode of new development is divided into waveform storage method and DDS (Direct Digital Synthesizer, direct digital synthesizers
Frequency).In embodiments of the present invention, the signal of the transmitter transmitting in Software Radar system is by Radar Waveform Generator (DSP+
Radar waveform software), through up-conversion or down coversion, AD conversion and filtering, finally it is transferred to radar signal processor and carries out signal
Processing.It should be noted that the function that radar waveform software is mainly completed is: the transformation to transmitting signal waveform, to amplitude and
The adjustment of phase, frequency.After carrying out Radar Waveform Generator processing to radar signal, the important radar in waveform signal is generated
Parameter: frequency values, phase value, range value, these important radar parameters are easily distorted by the malice of saboteur at this time, cause thunder
Up to system cisco unity malfunction.So the important parameter in multiple Backup Datas is compared before calling these parameters,
And defined parameters compare mark, and the variation of mark is compared according to parameter, determine whether Software Radar signal is tampered, selection is just
True waveform parameter completes the transmitting of radar signal.As shown in Fig. 2, Fig. 2 is the structural representation of existing Software Radar transmitter
Figure it can be seen that, after handling using Radar Waveform Generator radar signal, generates orthogonal data I (n), Q in figure
(n), then pass through Digital Up Convert and DAC, generate analog signal filtering, using simulation up-conversion, utilize HPA (high power
Amplifier) radio-frequency power in radar signal is become larger, emit the radar signal through antenna.
The embodiment of the present invention passes through the more parts of radars to storage before calling radar parameter important in Software Radar signal
Parameter backup data are compared, and determine whether Software Radar parameter is tampered, so that Software Radar signal processing results are more
It is accurate to add.
Content based on the above embodiment, as a kind of alternative embodiment: comparing Backup Data, generate safe software thunder
Include: up to signal
When at least two Backup Datas are identical, then any one Backup Data of at least two Backup Datas is determined as pacifying
Full Software Radar signal；
Specifically, when being compared to multiple Backup Datas, when identical there are at least two Backup Datas, then it is assumed that
The Software Radar signal data of safety is the identical Backup Data, such as: when first Backup Data and second backup number
According to it is identical when, comparison result is assigned a value of 0,0 is denoted as comparing mark at this time, then mark is compared to this by soft decision program
Judgement, it is determined that first Backup Data is security software radar signal；When first Backup Data and second Backup Data
Different (comparing mark is 1), when second Backup Data (compared with indicate to be 0) identical with third Backup Data, it is determined that the
Two Backup Datas or third Backup Data are security software radar signal；When first Backup Data, second backup number
When according to being different from (comparing mark is 0) with third Backup Data, then second Backup Data in data field is re-read,
Compared with other Backup Datas of data field carry out soft decision program, the identical data of at least two Backup Datas are found, are selected
Select Software Radar signal of any one identical Backup Data as safety.
The embodiment of the present invention is chosen correct waveform parameter according to court verdict and is used for by making decisions to comparing mark
The adjustment of Software Radar signal waveform, it is ensured that the accuracy of waveform parameter in Software Radar signal.
Content based on the above embodiment, as a kind of alternative embodiment: comparing Backup Data, generate safe software thunder
Up to after signal further include:
According to the Software Radar signal of safety, backup number different from the Software Radar signal of safety in address is updated storage
According to.
Specifically, when being made decisions to radar waveform parameter, using simplified parameter decision method, when first and
When the result that second Backup Data compares mark is identical, result is stored in variable judgement mark, setting compares mark and is
0, it is used using first or second Backup Data as correct parameter, if mark is compared in judgement discovery waveform parameter mistake, setting
Will is 1, carries out error correction using precision waveform parameter.
Such as: when first Backup Data is identical as second Backup Data, it is determined that first Backup Data is peace
Full Software Radar signal；When first Backup Data and second Backup Data difference, second Backup Data and third are standby
When part data are identical, then first Backup Data updated according to second Backup Data, determine updated first backup number
According to for security software radar signal；When first Backup Data and second Backup Data difference, first Backup Data and
When three Backup Datas are identical, then second Backup Data updated according to first Backup Data, determine first Backup Data
For security software radar signal；When first Backup Data, second Backup Data and third Backup Data are different from,
Data in memory are then re-read, three parts of storage simultaneously reads the subsequent calculating of progress.Referring specifically to table 1, table 1 is Software Radar wave
The relationship and the processing method in security protection judging process of three Backup Datas of shape generator.
Table 1
It it should be noted why can be modified to Backup Data, is reconfigured because software radio has
Function, i.e. the hardware resource of software radio can flexibly be configured according to the demand of function.Reconfiguring is software wireless
Power technology is different from the characteristics of conventional communication techniques, it makes software radio have the energy by programming the personalization of realization system
Power, system algorithm and transmitted waveform can realize reconstruct by reconfiguring.
Furthermore it is also possible to the processing side in security protection judging process provided in an embodiment of the present invention shown in Figure 3
Method flow diagram, flag1 in figure, mark is compared in flag2, flag3 expression, when first Backup Data and second backup number
According to it is identical when, flag1=0, otherwise flag1=1；When first Backup Data is identical with third Backup Data, flag2=
0, otherwise flag2=1；When second Backup Data is identical with third Backup Data, flag3=0, otherwise flag3=1；
When first Backup Data, second Backup Data and third Backup Data are different from, flag1=flag2=flag3
When=0, system reset is carried out.
Variable again assignment error correction of the embodiment of the present invention according to court verdict to malfunctioning in three variables, this judgement side
The time of method saving judgement shortens program and handles the time, and more traditional decision method has saved the expense of program, simplifies judgement
Process.And this method is versatile, is not limited in the Software Radar based on software and radio technique, for software radio skill
The restructural feature of art can play preferable safety protection function, and judging process letter in the application to software radio
Single, the used time is less, influences on software radio system performance smaller.
Content based on the above embodiment, as a kind of alternative embodiment: as shown in figure 4, Fig. 4 mentions for the embodiment of the present invention
The software flow schematic diagram of signal generator in the Software Radar signals security means of defence of confession.In figure, in storing data file
When, it replicates multiple signal waveform parameters and is used to back up, booting reads the key waveforms parameter in memory into software after powering on
In radio system, and three parts of subsequent signal callers of backup are carried out, when calling frequency modulation, amplitude modulation and phase modulation subprogram,
It is made decisions by waveform parameter of the soft decision program to calling, initial waveform is adjusted using the result obtained after judgement
It is whole, signal waveform is exported by D/A interface after completing waveform adjustment, and carry out D/A conversion.
The embodiment of the present invention utilizes software and radio technique when Radar Waveform Generator calculates radar waveform
Reconfigurability makes decisions waveform adjusting parameter before calling frequency modulation, amplitude modulation, phase modulation function, and it is accurate to be obtained using judgement
Parameter carries out the transformation of waveform, prevents radar waveform parameter from distorting equal malicious attacks by illegal.
According to another aspect of the present invention, the embodiment of the present invention also provides a kind of dress of Software Radar signals security protection
It sets, referring to Fig. 5, Fig. 5 is the block diagram of the device of Software Radar signals security provided in an embodiment of the present invention protection.The device is used for
The protection of Software Radar signals security is carried out in foregoing embodiments.Therefore, the Software Radar signal in foregoing embodiments
Description and definition in the method for security protection, can be used for the understanding of each execution module in the embodiment of the present invention.
As shown, the device includes:
Receiving module 501, for receiving Software Radar signal；
Backup Data generation module 502, it is raw for backing up Software Radar signal at least three storage address
At Backup Data；
Software Radar signal generation module 503 generates safe Software Radar signal for comparing Backup Data.
The embodiment of the present invention is by the way that the backup of Software Radar signal to be stored in storage address, so that carrying out signal adjustment
Before calculating, signal parameter is compared, corrects the signal parameter of error, chooses adjustment of the correct parameter for signal,
Ensure that Software Radar signal generator input parameter is accurate, generates safe Software Radar signal, software can be greatlyd improve
The security performance of radar system.
Content based on the above embodiment, as a kind of alternative embodiment: Software Radar signal generation module includes:
Waveform parameter value comparing unit generates safe Software Radar for comparing the waveform parameter value in Backup Data
Signal；Wherein, waveform parameter value includes: frequency values, phase value, range value.
The embodiment of the present invention passes through the more parts of radars to storage before calling radar parameter important in Software Radar signal
Parameter backup data are compared, and determine whether Software Radar parameter is tampered, so that Software Radar signal processing results are more
It is accurate to add.
Content based on the above embodiment, as a kind of alternative embodiment: Software Radar signal generation module includes:
Security software radar signal determination unit is used for when at least two Backup Datas are identical, then standby by least two
Any one Backup Data of part data is determined as safe Software Radar signal.
The embodiment of the present invention is chosen correct waveform parameter according to court verdict and is used for by making decisions to comparing mark
The adjustment of Software Radar signal waveform, it is ensured that the accuracy of waveform parameter in Software Radar signal.
Content based on the above embodiment, as a kind of alternative embodiment: further include:
Update module updates storage in address and believes with the Software Radar of safety for the Software Radar signal according to safety
Number different Backup Data.
Variable again assignment error correction of the embodiment of the present invention according to court verdict to malfunctioning in three variables, this judgement side
The time of method saving judgement shortens program and handles the time, and more traditional decision method has saved the expense of program, simplifies judgement
Process.And this method is versatile, is not limited in the Software Radar based on software and radio technique, for software radio skill
The restructural feature of art can play preferable safety protection function, and judging process letter in the application to software radio
Single, the used time is less, influences on software radio system performance smaller.
Fig. 6 is electronic device block diagram provided in an embodiment of the present invention, as shown in fig. 6, the equipment includes: processor 601, deposits
Reservoir 602 and bus 603；
Wherein, processor 601 and memory 602 complete mutual communication by bus 603 respectively；Processor 601 is used
In calling the program instruction in memory 602, to execute the side of the protection of Software Radar signals security provided by above-described embodiment
Method, for example, receive Software Radar signal；Software Radar signal is backed up at least three storage address, is generated
Backup Data；Compare Backup Data, generates safe Software Radar signal.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, is stored thereon with computer program, should
The step of method of Software Radar signals security protection is realized when computer program is executed by processor.For example, it receives soft
Part radar signal；Software Radar signal is backed up at least three storage address, generates Backup Data；Compare backup number
According to generating safe Software Radar signal.
The apparatus embodiments described above are merely exemplary, wherein unit can be as illustrated by the separation member
Or may not be and be physically separated, component shown as a unit may or may not be physical unit, i.e.,
It can be located in one place, or may be distributed over multiple network units.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
The method of certain parts of example or embodiment.
Finally, applying specific embodiment in the present invention, principle and implementation of the present invention are described, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention；Meanwhile for the general skill of this field
Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as limiting the invention.
Claims (10)
1. a kind of method of Software Radar signals security protection, which is characterized in that the described method includes:
Receive Software Radar signal；
The Software Radar signal is backed up at least three storage address, generates Backup Data；
Compare the Backup Data, generates safe Software Radar signal.
2. the method according to claim 1, wherein the Backup Data, generates safe software
Radar signal includes:
Compare the waveform parameter value in the Backup Data, generates safe Software Radar signal；Wherein, the waveform parameter value
It include: frequency values, phase value, range value.
3. the method according to claim 1, wherein the Backup Data, generates safe software
Radar signal includes:
When at least two Backup Datas are identical, then any one Backup Data of at least two Backup Data is determined as pacifying
Full Software Radar signal.
4. the method according to claim 1, wherein the Backup Data, generates safe software
After radar signal further include:
According to the safe Software Radar signal, backup number different from the Software Radar signal of safety in address is updated storage
According to.
5. a kind of device of Software Radar signals security protection, which is characterized in that described device includes:
Receiving module, for receiving Software Radar signal；
Backup Data generation module is generated for backing up the Software Radar signal at least three storage address
Backup Data；
Software Radar signal generation module is used for the Backup Data, generates safe Software Radar signal.
6. device according to claim 5, which is characterized in that the Software Radar signal generation module includes:
Waveform parameter value comparing unit generates safe Software Radar for the waveform parameter value in the Backup Data
Signal；Wherein, the waveform parameter value includes: frequency values, phase value, range value.
7. device according to claim 5, which is characterized in that the Software Radar signal generation module includes:
Security software radar signal determination unit is used for when at least two Backup Datas are identical, then standby by described at least two
Any one Backup Data of part data is determined as safe Software Radar signal.
8. device according to claim 5, which is characterized in that further include:
Update module is believed for according to the safe Software Radar signal, updating storage in address with the Software Radar of safety
Number different Backup Data.
9. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, which is characterized in that the processor realizes the software thunder as described in any one of Claims 1-4 when executing described program
The step of up to signals security means of defence.
10. a kind of non-transient computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer
It is realized when program is executed by processor as described in any one of Claims 1-4 the step of Software Radar signals security means of defence.
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