CN107167660A - The external memory formula spectrum analyzer and its method of a kind of high security - Google Patents
The external memory formula spectrum analyzer and its method of a kind of high security Download PDFInfo
- Publication number
- CN107167660A CN107167660A CN201710344146.1A CN201710344146A CN107167660A CN 107167660 A CN107167660 A CN 107167660A CN 201710344146 A CN201710344146 A CN 201710344146A CN 107167660 A CN107167660 A CN 107167660A
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- China
- Prior art keywords
- external memory
- spectrum analyzer
- data
- control unit
- cpu controller
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/18—Spectrum analysis; Fourier analysis with provision for recording frequency spectrum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses the external memory formula spectrum analyzer and its method of a kind of high security, the wherein spectrum analyzer includes：Control unit and cpu controller are guided, the guiding control unit and cpu controller are connected with external memory respectively；The external memory is arranged at the outside of spectrum analyzer；The external memory internal memory contains spectrum analyzer Bootloader, and the guiding control unit is used to transfer spectrum analyzer Bootloader from external memory to start spectrum analyzer operation；The cpu controller is also connected with data processing unit, and the cpu controller is used for after guiding control unit starts instrument operation, in the data Cun Chudao external memories that data processing unit is obtained.
Description
Technical field
The invention belongs to the external memory formula spectrum analysis in electronic measuring instrument field, more particularly to a kind of high security
Instrument and its method.
Background technology
Hand-held spectrum analyzer is essential survey in the field on-the-spot test such as communication, radar, navigation, signal monitoring
Test instrument.Existing spectrum analyzer using memory be all internal memory (FLASH) by the way of, as shown in figure 1, instrument
Start and control cpu controller to be read by system data interface 1 from the operating system mirror image of internal memory by guiding control unit
Take out to be placed into internal memory and run, while in the process of running connecing the data that data processing unit is obtained by data
Mouth 1 is arrived in internal memory (FLASH) according to the storage of specific document format data, and the operating system that its controller is used is necessary
It could start dependent on internal memory, its internal embedded OS is all from internal memory after bootstrap starts
Middle extraction operating system, it measures obtained all data and is all stored in internal memory, eliminates built-in storage
Device, controller would not work, and whole spectrum analyzer also can not just work.
And this mode of internal memory is dismantled due to being difficult to, therefore user carries or preserved the data on internal memory
When can only carry complete machine, portability is very poor, and other users can be all extensive by data by modes such as disk recovery instruments
Appear again and, cause confidentiality and security poor, easily cause and divulge a secret.
In summary, there is following defect in existing hand-held spectrum analyzer：
(1) operating system inside existing hand-held spectrum analyzer is all from internal memory after bootstrap starts
Middle extraction operating system, operating system is necessarily dependent upon internal memory, the instrument if without internal memory
It can not run.
(2) internal memory is due to being located in instrument internal, it is difficult to dismantle, and data are due to being all stored in built-in deposit
In reservoir, user needs to carry whole instrument to carry data storage, and portability is poor.
(3) internal memory is due to being located in instrument internal, it is difficult to dismantle, and data are due to being stored in internal memory
In, even if delete also can data remanence, data can all be recovered by modes such as disk recovery instruments, confidentiality and peace
Full property is poor, easily causes and divulges a secret.
The content of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of external memory formula spectrum analysis of high security
Instrument, the external memory formula spectrum analyzer directly can extract operating system from external memory, and operating system is not
Dependent on internal memory.
The external memory formula spectrum analyzer of the high security of the present invention, including：
Guide control unit and cpu controller, the guiding control unit and cpu controller respectively with external memory phase
Even；The external memory is arranged at the outside of spectrum analyzer；
The external memory internal memory contains spectrum analyzer Bootloader, and the guiding control unit is used for from outer
Memory is put to transfer spectrum analyzer Bootloader to start spectrum analyzer operation；
The cpu controller is also connected with data processing unit, and the cpu controller is used to start in guiding control unit
After instrument operation, in the data Cun Chudao external memories that data processing unit is obtained.
Further, the cpu controller is connected by the first data-interface with external memory.
Further, the guiding control unit is connected by the second data-interface with external memory.
The cpu controller and guiding control unit of the present invention is led to by different data-interfaces and external memory
Letter, can so improve the data transmission efficiency of cpu controller and guiding control unit and external memory.
Further, the cpu controller and guiding control unit pass through identical data-interface and external memory phase
Even.
The cpu controller and guiding control unit of the present invention is led to by identical data-interface and external memory
Letter, can so save the number of data-interface, improve the security of signal transmission, it is to avoid the resource consumption of spectrum analyzer.
Further, the external memory is SD card.
It should be noted that external memory is in addition to SD card, can also be it is existing other can be with external storage
Device type.
Present invention also offers a kind of method of work of the external memory formula spectrum analyzer of high security.
The method of work of the external memory formula spectrum analyzer of the high security of the present invention, including：
First, guiding control unit transfers spectrum analyzer Bootloader to start spectrum analysis from external memory
Instrument is run；
Then, after guiding control unit starts instrument operation, the number that cpu controller finally obtains data processing unit
According to storage into external memory.
Further, this method also includes：The number that cpu controller is obtained data processing unit by the first data-interface
According to storage into external memory.
Further, this method also includes：
Guiding control unit transfers spectrum analyzer Bootloader by the second data-interface from external memory.
The cpu controller and guiding control unit of the present invention is led to by different data-interfaces and external memory
Letter, can so improve the data transmission efficiency of cpu controller and guiding control unit and external memory.
Further, this method also includes：
Guiding control unit and cpu controller transfer spectrum analysis in external memory respectively by identical data-interface
In instrument Bootloader and the data Cun Chudao external memories for obtaining data processing unit.
The cpu controller and guiding control unit of the present invention is led to by identical data-interface and external memory
Letter, can so save the number of data-interface, improve the security of signal transmission, it is to avoid the resource consumption of spectrum analyzer.
Further, this method also includes：
The data that cpu controller also obtains data processing unit, external controller is sent to by wireless communication module,
Stored by external controller to memory module.When can so work as external memory damage, it is ensured that external memory formula frequency spectrum
Work the continual and steady high security of analyzer.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) this instrument does not have internal memory (FLASH), directly can extract operating system fortune from external memory (SD card)
OK, operating system is independent of internal memory.
(2) external memory is due to being located in outside instrument, it is easy to plug, and data are due to that can be stored in external deposit
In reservoir, user only needs to carry external memory when carrying data storage, easy to carry.
(3) external memory is due to being located in outside instrument, it is easy to plug, and very easily can protect external memory
Security and the high place of confidentiality are stored to, confidentiality and security are preferable, it is not easy to cause to divulge a secret.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is existing hand-held spectrum analyzer structural representation；
Fig. 2 is the external memory formula spectrum analyzer structural representation of the high security of the present invention.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Fig. 2 is the external memory formula spectrum analyzer structural representation of the high security of the present invention.
As shown in Fig. 2 the external memory formula spectrum analyzer of the high security of the present invention, including：
Guide control unit and cpu controller, the guiding control unit and cpu controller respectively with external memory phase
Even；The external memory is arranged at the outside of spectrum analyzer；
The external memory internal memory contains spectrum analyzer Bootloader, and the guiding control unit is used for from outer
Memory is put to transfer spectrum analyzer Bootloader to start spectrum analyzer operation；
The cpu controller is also connected with data processing unit, and the cpu controller is used to start in guiding control unit
After instrument operation, in the data Cun Chudao external memories that data processing unit is obtained.
Wherein, external memory is SD card.
It should be noted that external memory is in addition to SD card, can also be it is existing other can be with external storage
Device type.
Wherein, the present invention in data processing unit, guiding control unit and cpu controller with existing hand-held frequency spectrum
Analyzer structure is identical, will be not repeated herein.
In one embodiment, cpu controller is connected by the first data-interface with external memory.
Guiding control unit is connected by the second data-interface with external memory.
The cpu controller and guiding control unit of the present invention is led to by different data-interfaces and external memory
Letter, can so improve the data transmission efficiency of cpu controller and guiding control unit and external memory.
In another embodiment, cpu controller and guiding control unit pass through identical data-interface and external memory
It is connected.
The cpu controller and guiding control unit of the present invention is led to by identical data-interface and external memory
Letter, can so save the number of data-interface, improve the security of signal transmission, it is to avoid the resource consumption of spectrum analyzer.
This instrument does not have internal memory (FLASH), directly can extract operating system, operation system from external memory
System operation is independent of internal memory.
External memory is due to being located in outside instrument, it is easy to plug, and data are due to that can be stored in external storage
In device, user only needs to carry external memory when carrying data storage, easy to carry.
External memory is due to being located in outside instrument, it is easy to plug, and very easily can preserve external memory
To the high place of security and confidentiality, confidentiality and security are preferable, it is not easy to cause to divulge a secret.
External memory formula spectrum analyzer based on high security as shown in Figure 2, the present invention also provides its work side
Method.
The method of work of the external memory formula spectrum analyzer of the high security of the present invention, is specifically included：
First, guiding control unit transfers spectrum analyzer Bootloader to start spectrum analysis from external memory
Instrument is run；
Then, after guiding control unit starts instrument operation, the number that cpu controller finally obtains data processing unit
According to storage into external memory.
In one embodiment, this method also includes：
Guiding control unit transfers spectrum analyzer Bootloader by the second data-interface from external memory；
In the data Cun Chudao external memories that cpu controller is obtained data processing unit by the first data-interface.
The cpu controller and guiding control unit of the present invention is led to by different data-interfaces and external memory
Letter, can so improve the data transmission efficiency of cpu controller and guiding control unit and external memory.
In another embodiment, this method also includes：
Guiding control unit and cpu controller transfer spectrum analysis in external memory respectively by identical data-interface
In instrument Bootloader and the data Cun Chudao external memories for obtaining data processing unit.
The cpu controller and guiding control unit of the present invention is led to by identical data-interface and external memory
Letter, can so save the number of data-interface, improve the security of signal transmission, it is to avoid the resource consumption of spectrum analyzer.
This instrument does not need internal memory, and instrument is run independent of internal memory.
The operation of this instrument is to start from external memory, run and store, and data storage is entirely to deposit
Storage is in external memory.
The external memory can very easily remove carrying or preserve, convenient and safe, strong security.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (9)
1. a kind of external memory formula spectrum analyzer of high security, it is characterised in that including：
Control unit and cpu controller are guided, the guiding control unit and cpu controller are connected with external memory respectively；
The external memory is arranged at the outside of spectrum analyzer；
The external memory internal memory contains spectrum analyzer Bootloader, and the guiding control unit is used to deposit from external
Reservoir transfers spectrum analyzer Bootloader to start spectrum analyzer operation；
The cpu controller is also connected with data processing unit, and the cpu controller is used to start instrument in guiding control unit
After operation, in the data Cun Chudao external memories that data processing unit is obtained.
2. the external memory formula spectrum analyzer of a kind of high security as claimed in claim 1, it is characterised in that described
Cpu controller is connected by the first data-interface with external memory.
3. the external memory formula spectrum analyzer of a kind of high security as claimed in claim 2, it is characterised in that described to draw
Control unit is led by the second data-interface with external memory to be connected.
4. the external memory formula spectrum analyzer of a kind of high security as claimed in claim 1, it is characterised in that described
Cpu controller and guiding control unit are connected by identical data-interface with external memory.
5. the external memory formula spectrum analyzer of a kind of high security as claimed in claim 1, it is characterised in that described outer
Memory is put for SD card.
6. a kind of work side of the external memory formula spectrum analyzer of high security as any one of claim 1-5
Method, it is characterised in that including：
First, guiding control unit transfers spectrum analyzer Bootloader to start spectrum analyzer fortune from external memory
OK；
Then, after guiding control unit starts instrument operation, cpu controller finally deposits the data that data processing unit is obtained
Store up in external memory.
7. the method for work of the external memory formula spectrum analyzer of high security as claimed in claim 6, it is characterised in that
This method also includes：The external storages of data Cun Chudao that cpu controller is obtained data processing unit by the first data-interface
In device.
8. the method for work of the external memory formula spectrum analyzer of high security as claimed in claim 7, it is characterised in that
This method also includes：Guiding control unit transfers spectrum analyzer from external memory by the second data-interface and starts guiding journey
Sequence.
9. the method for work of the external memory formula spectrum analyzer of high security as claimed in claim 6, it is characterised in that
This method also includes：
Guiding control unit and cpu controller are transferred spectrum analyzer in external memory by identical data-interface and opened respectively
In dynamic bootstrap and the data Cun Chudao external memories for obtaining data processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344146.1A CN107167660A (en) | 2017-05-16 | 2017-05-16 | The external memory formula spectrum analyzer and its method of a kind of high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344146.1A CN107167660A (en) | 2017-05-16 | 2017-05-16 | The external memory formula spectrum analyzer and its method of a kind of high security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107167660A true CN107167660A (en) | 2017-09-15 |
Family
ID=59815376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710344146.1A Pending CN107167660A (en) | 2017-05-16 | 2017-05-16 | The external memory formula spectrum analyzer and its method of a kind of high security |
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| CN (1) | CN107167660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117274491A (en) * | 2023-09-22 | 2023-12-22 | 北京百度网讯科技有限公司 | Training method, device, equipment and medium for three-dimensional reconstruction model |
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|---|---|---|---|---|
| JPH09145753A (en) * | 1995-11-20 | 1997-06-06 | Yokogawa Electric Corp | Frequency measuring instrument |
| JPH11237415A (en) * | 1998-02-23 | 1999-08-31 | Ojima Shisaku Kenkyusho:Kk | Acoustooptic type frequency analyzer |
| CN2386447Y (en) * | 1998-07-29 | 2000-07-05 | 四川长虹电子集团公司 | Frequency tester |
| CN2540638Y (en) * | 2002-04-24 | 2003-03-19 | 深圳市安泰信电子有限公司 | Portable spectrum analyzer |
| CN202886469U (en) * | 2012-10-26 | 2013-04-17 | 浙江工贸职业技术学院 | Digital spectrum analyzer based on FPGA (Field Programmable Gate Array) |
| CN203798905U (en) * | 2014-03-06 | 2014-08-27 | 南京工程学院 | Power grid frequency acquisition device in fixed telephone network |
-
2017
- 2017-05-16 CN CN201710344146.1A patent/CN107167660A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| JPH09145753A (en) * | 1995-11-20 | 1997-06-06 | Yokogawa Electric Corp | Frequency measuring instrument |
| JPH11237415A (en) * | 1998-02-23 | 1999-08-31 | Ojima Shisaku Kenkyusho:Kk | Acoustooptic type frequency analyzer |
| CN2386447Y (en) * | 1998-07-29 | 2000-07-05 | 四川长虹电子集团公司 | Frequency tester |
| CN2540638Y (en) * | 2002-04-24 | 2003-03-19 | 深圳市安泰信电子有限公司 | Portable spectrum analyzer |
| CN202886469U (en) * | 2012-10-26 | 2013-04-17 | 浙江工贸职业技术学院 | Digital spectrum analyzer based on FPGA (Field Programmable Gate Array) |
| CN203798905U (en) * | 2014-03-06 | 2014-08-27 | 南京工程学院 | Power grid frequency acquisition device in fixed telephone network |
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| Title |
|---|
| 张晓芳等: "《计算机基础模块化教程》", 30 September 2012 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117274491A (en) * | 2023-09-22 | 2023-12-22 | 北京百度网讯科技有限公司 | Training method, device, equipment and medium for three-dimensional reconstruction model |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |