CN107543976A - A kind of devices and methods therefor for being used to detect electromagnetic radiation small-signal - Google Patents
A kind of devices and methods therefor for being used to detect electromagnetic radiation small-signal Download PDFInfo
- Publication number
- CN107543976A CN107543976A CN201710736270.2A CN201710736270A CN107543976A CN 107543976 A CN107543976 A CN 107543976A CN 201710736270 A CN201710736270 A CN 201710736270A CN 107543976 A CN107543976 A CN 107543976A
- Authority
- CN
- China
- Prior art keywords
- signal
- electromagnetic radiation
- small
- detected
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of device and method for being used to detect electromagnetic radiation small-signal, wherein the device includes electro-magnetic radiation detection modules, it is used to obtain ELECTROMAGNETIC RADIATION SIGNATURE to be detected and transforms it into the differential signal using reference signal as reference, and processor is sent to through Signal-regulated kinase；And switch selecting module, it is used to switch between calibrated channel and electromagnet radiation detection passage, and the output end for switching selecting module is connected with Signal-regulated kinase；On electromagnet radiation detection passage, the input for switching selecting module is connected with electro-magnetic radiation detection modules；On calibrated channel, switch the input of selecting module and reference signal occurs module and is connected；The processor is configured as：ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning are received, the electromagnetic radiation small-signal at each moment is detected using digital mean filter method.
Description
Technical field
The invention belongs to Detection of Weak Signals field, more particularly to a kind of device for being used to detect electromagnetic radiation small-signal
And its method.
Background technology
The rapid development of modern electronic technology and the communication technology, while facilitating us and living, various electronics and logical
Also the moment affects the electromagnetic field environment of our residential locations to the electromagnetic wave constantly launched of letter equipment.As the mankind are to electromagnetic radiation
The intensification of understanding is endangered, the concept of electromagnetic pollution has entered into the sight of people gradually.In order to avoid with reduce electromagnetic radiation to people
Health and electronic instrument, the influence of equipment safety operation, electromagnet radiation detection means and equipment receive much attention.
In addition, electromagnetic radiation is difficult to perceive " recessive pollution " as one kind, it is not known always.With electronics
The technology development of test, and electromagnetic radiation research is goed deep into, the concept of electromagnetic pollution is increasingly by the weight of people
Depending on.With the fast development of electronics and communication equipment, the electromagnetic wave constantly launched causes the electromagnetic environment of our live and works
Become to become increasingly complex.Research shows that the electromagnetic radiation in complex electromagnetic environment not only threatens the personal safety of people, and strong jamming is also
The normal work of the electronic equipment in environment can be hindered.Therefore, electricity of the electromagnet radiation detection for personnel is fast and accurately carried out
Magnetic protects and equipment normal operation is significant.
Current electromagnetic radiation measuring equipment typically uses traditional signal processing method, includes filtering, the amplification of signal
With AD collection etc., the noise floor of equipment is higher, can't detect for faint ELECTROMAGNETIC RADIATION SIGNATURE.Such as in patent
In CN200910308022.3 " electromagnetic radiation intensity detection device and method ", a kind of electromagnetism spoke with the monitoring that overflows is disclosed
Monitoring device is penetrated, the device is made up of input block, microcontroller, electromagnetic inductor and alarm unit, and the device is in electromagnetism
Radiation intensity is alarmed when exceeding certain limit value, to prompt user to close electrical equipment.The program is only applied to large electric appliances
The electromagnetic radiation monitoring of equipment, sensitivity is low, is only capable of realizing overload alarm, can not realize that Larger Dynamic range signal detects；Sending out
In a kind of bright patent CN201010264317.8 " electromagnetic radiation monitoring method, apparatus and system ", a kind of application is also disclosed
The method and apparatus of electromagnetic radiation overrun testing near base station, detection sensitivity are equally relatively low.
In summary, existing scheme is mainly used in the electromagnetic radiation detection near electric equipment, and sensitivity is relatively low, can only
Enter the alarm of line overrun value, faint ELECTROMAGNETIC RADIATION SIGNATURE can not be detected.On the whole, similar this scheme, it is only capable of meeting larger
The detection warning function of the ELECTROMAGNETIC RADIATION SIGNATURE of value, can not realize the detection of weaker ELECTROMAGNETIC RADIATION SIGNATURE, can not meet Gao Ling
The detection demand of sensitivity Larger Dynamic scope.
The content of the invention
In order to solve the deficiencies in the prior art, the first aspect of the embodiment of the present invention provides one kind and is used to detect electromagnetism spoke
The device of small-signal is penetrated, it can pointedly solve the problems, such as that electromagnetic radiation detection device is sensitive low, by electromagnet radiation detection
The noise floor of equipment is down to 1V/m, effectively realizes the detection to weak electromagnetic radiation signal in environment.
A kind of device for being used to detect electromagnetic radiation small-signal that the first aspect of the embodiment of the present invention provides, including：
Electro-magnetic radiation detection modules, its be used to obtaining ELECTROMAGNETIC RADIATION SIGNATURE to be detected and transform it into using reference signal as
The differential signal of reference, processor is sent to through Signal-regulated kinase；And
Selecting module is switched, it is used to switch between calibrated channel and electromagnet radiation detection passage, and switchs selection mould
The output end of block is connected with Signal-regulated kinase；On electromagnet radiation detection passage, the input and electromagnetism of selecting module are switched
Radiation detection modules are connected；On calibrated channel, switch the input of selecting module and reference signal occurs module and is connected；
The processor is configured as：ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning are received, utilizes numeral
Mean filter method detects the electromagnetic radiation small-signal at each moment.
With reference to the embodiment of the present invention in a first aspect, in the first embodiment of the first aspect of the embodiment of the present invention,
Before the electromagnetic radiation small-signal at each moment is detected using digital mean filter method, the processor is additionally configured to
Compensation data is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected after conditioning and reference signal.
Wherein, compensation data includes calibrated channel compensation data, calibrated channel circuit noise compensation data and signal electromagnet
Radiation detection channel circuit noise data compensates.
The present invention improves final electromagnetism spoke by carrying out compensation data to ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal
Penetrate the accuracy of detection of small-signal.
With reference to the embodiment of the present invention in a first aspect, in second of embodiment of the first aspect of the embodiment of the present invention,
The first low-pass filter circuit is also serially connected between the input and electro-magnetic radiation detection modules of the switch selecting module, first is low
Bandpass filter circuit is used to be filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition.
The present invention reduces the electricity to be detected of acquisition by being filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition
Interference signal in magnetic radiation signal, improve the accuracy of detection of final electromagnetic radiation small-signal.
With reference to the embodiment of the present invention in a first aspect, in the third embodiment of the first aspect of the embodiment of the present invention,
The Signal-regulated kinase includes the second low-pass filter circuit, signal amplification circuit and the ADC change-over circuits being connected in series.
The present invention is filtered again respectively by the second low-pass filter circuit to signal；And signal amplification circuit enters
Row signal amplifies matching treatment, is laid a good foundation for the accuracy of detection of electromagnetic radiation small-signal.
With reference to the embodiment of the present invention in a first aspect, in the 4th kind of embodiment of the first aspect of the embodiment of the present invention,
The processor is also connected with memory.
Wherein, the signal that memory transmits for real time storage and processing device, including the electromagnetic radiation detected are faint
Signal.
The second aspect of the embodiment of the present invention provides a kind of detection for being used to detect the device of electromagnetic radiation small-signal
Method.
The detection method for being used to detect the device of electromagnetic radiation small-signal that the second aspect of the embodiment of the present invention provides,
Including：
Step 1：Selecting module connection calibrated channel is switched, reference signal caused by reference signal generation module passes through successively
Switch selecting module and Signal-regulated kinase are sent to processor；
Step 2：Switch selecting module connection electromagnet radiation detection passage, the electricity to be detected that electro-magnetic radiation detection modules obtain
Magnetic radiation signal simultaneously transforms it into the differential signal using reference signal as reference, and processor is sent to through Signal-regulated kinase；
Step 3：Processor receives ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning, utilizes digital mean filter
Method detects the electromagnetic radiation small-signal at each moment.
With reference to the second aspect of the embodiment of the present invention, in the first embodiment of the second aspect of the embodiment of the present invention,
In the step 3, before the electromagnetic radiation small-signal that each moment is detected using digital mean filter method, in addition to：
Compensation data is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected after conditioning and reference signal.
In the first embodiment with reference to the second aspect of the embodiment of the present invention, compensation data includes calibrated channel data
Compensation, calibrated channel circuit noise compensation data and the compensation of signal electromagnet radiation detection channel circuit noise data.
The present invention improves final electromagnetism spoke by carrying out compensation data to ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal
Penetrate the accuracy of detection of small-signal.
With reference to the second aspect of the embodiment of the present invention, in second of embodiment of the second aspect of the embodiment of the present invention,
When switching selecting module connection electromagnet radiation detection passage, the ELECTROMAGNETIC RADIATION SIGNATURE to be detected that electro-magnetic radiation detection modules obtain is also
Processing is filtered through the first low-pass filter circuit.
The present invention reduces the electricity to be detected of acquisition by being filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition
Interference signal in magnetic radiation signal, improve the accuracy of detection of final electromagnetic radiation small-signal.
With reference to the second aspect of the embodiment of the present invention, in the third embodiment of the second aspect of the embodiment of the present invention,
This method includes：The electromagnetic radiation small-signal for detecting each moment is sent in memory and carries out real-time storage by processor.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) invention increases calibrated channel to improve the detection sensitivity of device.Inspection is radiated in traditional signal electromagnet
Increase calibrated channel on the basis of survey passage, Measurement channel is got into calibrated channel first before measuring and calibrated, Ran Houzai
Get to ELECTROMAGNETIC RADIATION SIGNATURE electromagnet radiation detection passage and carry out signal acquisition, while calibrated channel is used as to the ginseng of signalling channel
Examine, reduce the noise floor of equipment, so as to improve the detection sensitivity of device, realize electromagnet radiation detection passage and calibrated channel
Switching, improve the flexibility of device mode of operation.
(2) for the present invention by compensation data and data processing technique, raising accuracy in detection can be by gathering signal in advance
Circuit noise under the environment such as electromagnet radiation detection passage and calibrated channel different temperatures, humidity, and acquired data storage is arrived
In memory, measurement result is compensated using the data in actual use；During data processing, filtered using digital average
Wave technology, measurement noise is reduced, improve the degree of accuracy of detection.
Brief description of the drawings
The Figure of description for forming 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 form the improper restriction to the application.
Fig. 1 is the apparatus structure schematic diagram for being used to detect electromagnetic radiation small-signal of the present invention；
Fig. 2 is the detection method flow chart for being used to detect the device of electromagnetic radiation small-signal of the present invention.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is 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. 1 is the apparatus structure schematic diagram for being used to detect electromagnetic radiation small-signal of the present invention.
As shown in figure 1, a kind of device for being used to detect electromagnetic radiation small-signal of the embodiment of the present invention, including：
Electro-magnetic radiation detection modules, its be used to obtaining ELECTROMAGNETIC RADIATION SIGNATURE to be detected and transform it into using reference signal as
The differential signal of reference, processor is sent to through Signal-regulated kinase；And
Selecting module is switched, it is used to switch between calibrated channel and electromagnet radiation detection passage, and switchs selection mould
The output end of block is connected with Signal-regulated kinase；On electromagnet radiation detection passage, the input and electromagnetism of selecting module are switched
Radiation detection modules are connected；On calibrated channel, switch the input of selecting module and reference signal occurs module and is connected；
The processor is configured as：ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning are received, utilizes numeral
Mean filter method detects the electromagnetic radiation small-signal at each moment.
Wherein, before the electromagnetic radiation small-signal at each moment is detected using digital mean filter method, the place
Reason device is additionally configured to carry out compensation data to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected after conditioning and reference signal.
Wherein, compensation data includes calibrated channel compensation data, calibrated channel circuit noise compensation data and signal electromagnet
Radiation detection channel circuit noise data compensates.
To reduce device circuit noise, reference noise and the influence of external environment, the present invention proposes electromagnetism spoke simultaneously
Penetrate the compensation data and data processing method of signal.Compensation data is mainly including the compensation data of calibrated channel, calibrated channel
Circuit noise compensates and the compensation of the circuit noise of electromagnet radiation detection passage.
For the gathered data of calibrated channel, there is formula (1)
In formula, xc(i) it is calibrated channel gathered data, n is collection points.
The circuit noise of circuit noise and electromagnet radiation detection passage for calibrated channel, there is formula (2) and formula (3)
In formula, xcs(i) it is calibrated channel circuit noise gathered data, m is collection points；xss(i) it is electromagnet radiation detection
Channel circuit Noise Acquisition data, q count for collection.
Calibration data and circuit noise data more than, draw the compensation data formula (4) of ELECTROMAGNETIC RADIATION SIGNATURE
xb=xi+E(xc)+E(xcs)+E(xSS) (4)
In formula, xbFor ELECTROMAGNETIC RADIATION SIGNATURE gathered data, x after compensationiFor ELECTROMAGNETIC RADIATION SIGNATURE gathered data, E before compensation
(xc) be calibrated channel calibration data mathematic expectaion, E (xcs) for calibrated channel circuit noise data mathematic expectaion, E
(xss) for electromagnet radiation detection passage circuit noise data mathematic expectaion.
The influence of random noise, takes into account the real-time of device detection signal when simultaneously to reduce weak electromagnetic radiation signal detection
Property, the present invention uses digital mean filter technology, according to the requirement of real-time of device, suitable filter window N is selected, by the window
Intraoral average value is as filter result.As window moves, you can realize the detection of each moment ELECTROMAGNETIC RADIATION SIGNATURE.
The present invention improves final electromagnetism spoke by carrying out compensation data to ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal
Penetrate the accuracy of detection of small-signal.
In specific implementation, the is also serially connected between the input and electro-magnetic radiation detection modules of the switch selecting module
One low-pass filter circuit, the first low-pass filter circuit are used to be filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition.
The present invention reduces the electricity to be detected of acquisition by being filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition
Interference signal in magnetic radiation signal, improve the accuracy of detection of final electromagnetic radiation small-signal.
In specific implementation, the Signal-regulated kinase includes the second low-pass filter circuit, the signal amplification being connected in series
Circuit and ADC change-over circuits.
The present invention is filtered again respectively by the second low-pass filter circuit to signal；And signal amplification circuit enters
Row signal amplifies matching treatment, is laid a good foundation for the accuracy of detection of electromagnetic radiation small-signal.
In specific implementation, the processor is also connected with memory.
Wherein, the signal that memory transmits for real time storage and processing device, including the electromagnetic radiation detected are faint
Signal.
Invention increases calibrated channel to improve the detection sensitivity of device.Lead in traditional signal electromagnet radiation detection
Increase calibrated channel on the basis of road, Measurement channel is got into calibrated channel first before measuring and calibrated, is then got to again
ELECTROMAGNETIC RADIATION SIGNATURE electromagnet radiation detection passage carries out signal acquisition, while calibrated channel is used as to the reference of signalling channel, drop
The noise floor of low equipment, so as to improve the detection sensitivity of device, electromagnet radiation detection passage and calibrated channel switching are realized,
Improve the flexibility of device mode of operation.
For the present invention by compensation data and data processing technique, raising accuracy in detection can be by gathering signal electricity in advance
Circuit noise under the environment such as magnetic radiation sense channel and calibrated channel different temperatures, humidity, and by acquired data storage to depositing
In reservoir, measurement result is compensated using the data in actual use；During data processing, digital mean filter is used
Technology, measurement noise is reduced, improve the degree of accuracy of detection.
Fig. 2 is the detection method flow chart for being used to detect the device of electromagnetic radiation small-signal of the present invention.
A kind of as shown in Fig. 2 inspection for being used to detect the device of electromagnetic radiation small-signal of the offer of the embodiment of the present invention
Survey method, including：
Step 1：Selecting module connection calibrated channel is switched, reference signal caused by reference signal generation module passes through successively
Switch selecting module and Signal-regulated kinase are sent to processor；
Step 2：Switch selecting module connection electromagnet radiation detection passage, the electricity to be detected that electro-magnetic radiation detection modules obtain
Magnetic radiation signal simultaneously transforms it into the differential signal using reference signal as reference, and processor is sent to through Signal-regulated kinase；
In this step, gather, can continue to the circuit noise carried out under the environment such as calibrated channel different temperatures, humidity
Calibrated channel is selected, calibrated channel Noise Acquisition and data storage under relevant environment is completed, facilitates follow-up compensation data.
Step 3：Processor receives ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning, utilizes digital mean filter
Method detects the electromagnetic radiation small-signal at each moment.
By the front end matching connection load of the device for detecting electromagnetic radiation small-signal, electromagnet radiation detection can be achieved
The data acquisition of the circuit noise of passage and data storage, convenient follow-up progress compensation data.
In specific implementation, in the step 3, the electromagnetic radiation at each moment is detected using digital mean filter method
Before small-signal, in addition to：Compensation data is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected after conditioning and reference signal.
In specific implementation, compensation data include calibrated channel compensation data, calibrated channel circuit noise compensation data and
Signal electromagnet radiation detection channel circuit noise data compensates.
To reduce device circuit noise, reference noise and the influence of external environment, the present invention proposes electromagnetism spoke simultaneously
Penetrate the compensation data and data processing method of signal.Compensation data is mainly including the compensation data of calibrated channel, calibrated channel
Circuit noise compensates and the compensation of the circuit noise of electromagnet radiation detection passage.
For the gathered data of calibrated channel, there is formula (1)
In formula, xc(i) it is calibrated channel gathered data, n is collection points.
The circuit noise of circuit noise and electromagnet radiation detection passage for calibrated channel, there is formula (2) and formula (3)
In formula, xcs(i) it is calibrated channel circuit noise gathered data, m is collection points；xss(i) it is electromagnet radiation detection
Channel circuit Noise Acquisition data, q count for collection.
Calibration data and circuit noise data more than, draw the compensation data formula (4) of ELECTROMAGNETIC RADIATION SIGNATURE
xb=xi+E(xc)+E(xcs)+E(xSS) (4)
In formula, xbFor ELECTROMAGNETIC RADIATION SIGNATURE gathered data, x after compensationiFor ELECTROMAGNETIC RADIATION SIGNATURE gathered data, E before compensation
(xc) be calibrated channel calibration data mathematic expectaion, E (xcs) for calibrated channel circuit noise data mathematic expectaion, E
(xss) for electromagnet radiation detection passage circuit noise data mathematic expectaion.
The influence of random noise, takes into account the real-time of device detection signal when simultaneously to reduce weak electromagnetic radiation signal detection
Property, the present invention uses digital mean filter technology, according to the requirement of real-time of device, suitable filter window N is selected, by the window
Intraoral average value is as filter result.As window moves, you can realize the detection of each moment ELECTROMAGNETIC RADIATION SIGNATURE.
The present invention improves final electromagnetism spoke by carrying out compensation data to ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal
Penetrate the accuracy of detection of small-signal.
In specific implementation, when switch selecting module connects electromagnet radiation detection passage, electro-magnetic radiation detection modules obtain
ELECTROMAGNETIC RADIATION SIGNATURE to be detected be also filtered processing through the first low-pass filter circuit.
The present invention reduces the electricity to be detected of acquisition by being filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition
Interference signal in magnetic radiation signal, improve the accuracy of detection of final electromagnetic radiation small-signal.
In specific implementation, this method includes：The electromagnetic radiation small-signal for detecting each moment is sent to by processor
Real-time storage is carried out in memory.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
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 deformation that creative work can make still within protection scope of the present invention.
Claims (10)
- A kind of 1. device for being used to detect electromagnetic radiation small-signal, it is characterised in that including：Electro-magnetic radiation detection modules, it is used to obtain ELECTROMAGNETIC RADIATION SIGNATURE to be detected and transformed it into using reference signal as reference Differential signal, be sent to processor through Signal-regulated kinase；AndSelecting module is switched, it is used to switch between calibrated channel and electromagnet radiation detection passage, and switchs selecting module Output end is connected with Signal-regulated kinase；On electromagnet radiation detection passage, input and the electromagnetic radiation of selecting module are switched Detection module is connected；On calibrated channel, switch the input of selecting module and reference signal occurs module and is connected；The processor is configured as：ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning are received, utilizes digital average Filtering method detects the electromagnetic radiation small-signal at each moment.
- 2. a kind of device for being used to detect electromagnetic radiation small-signal as claimed in claim 1, it is characterised in that utilizing number Before word mean filter method detects the electromagnetic radiation small-signal at each moment, the processor is additionally configured to after conditioning ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal carry out compensation data.
- A kind of 3. device for being used to detect electromagnetic radiation small-signal as claimed in claim 1, it is characterised in that the switch The first low-pass filter circuit, the first LPF electricity are also serially connected between the input and electro-magnetic radiation detection modules of selecting module Road is used to be filtered processing to the ELECTROMAGNETIC RADIATION SIGNATURE to be detected of acquisition.
- A kind of 4. device for being used to detect electromagnetic radiation small-signal as claimed in claim 1, it is characterised in that the signal Conditioning module includes the second low-pass filter circuit, signal amplification circuit and the ADC change-over circuits being connected in series.
- A kind of 5. device for being used to detect electromagnetic radiation small-signal as claimed in claim 1, it is characterised in that the processing Device is also connected with memory.
- 6. a kind of detection method as claimed in claim 1 for being used to detect the device of electromagnetic radiation small-signal, its feature exist In, including：Step 1：Selecting module connection calibrated channel is switched, reference signal caused by module occurs for reference signal successively through switch Selecting module and Signal-regulated kinase are sent to processor；Step 2：Switch selecting module connection electromagnet radiation detection passage, the electromagnetism spoke to be detected that electro-magnetic radiation detection modules obtain Penetrate signal and transform it into the differential signal using reference signal as reference, processor is sent to through Signal-regulated kinase；Step 3：Processor receives ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning, utilizes digital mean filter method Detect the electromagnetic radiation small-signal at each moment.
- 7. the detection method as claimed in claim 6 for being used to detect the device of electromagnetic radiation small-signal, it is characterised in that In the step 3, before the electromagnetic radiation small-signal that each moment is detected using digital mean filter method, in addition to：It is right ELECTROMAGNETIC RADIATION SIGNATURE to be detected and reference signal after conditioning carry out compensation data.
- 8. the detection method as claimed in claim 7 for being used to detect the device of electromagnetic radiation small-signal, it is characterised in that number Include calibrated channel compensation data, calibrated channel circuit noise compensation data and signal electromagnet radiation detection channel circuit according to compensation Noise data compensates.
- 9. the detection method as claimed in claim 6 for being used to detect the device of electromagnetic radiation small-signal, it is characterised in that open When closing selecting module connection electromagnet radiation detection passage, the ELECTROMAGNETIC RADIATION SIGNATURE to be detected that electro-magnetic radiation detection modules obtain also passes through First low-pass filter circuit is filtered processing.
- 10. the detection method as claimed in claim 6 for being used to detect the device of electromagnetic radiation small-signal, it is characterised in that This method includes：The electromagnetic radiation small-signal for detecting each moment is sent in memory and carries out real-time storage by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736270.2A CN107543976B (en) | 2017-08-24 | 2017-08-24 | Device and method for detecting electromagnetic radiation weak signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736270.2A CN107543976B (en) | 2017-08-24 | 2017-08-24 | Device and method for detecting electromagnetic radiation weak signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107543976A true CN107543976A (en) | 2018-01-05 |
| CN107543976B CN107543976B (en) | 2021-04-02 |
Family
ID=60958224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710736270.2A Active CN107543976B (en) | 2017-08-24 | 2017-08-24 | Device and method for detecting electromagnetic radiation weak signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107543976B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029862A (en) * | 2007-03-19 | 2007-09-05 | 中国科学院上海硅酸盐研究所 | Weak-signal detector for acoustic image based on atomic force microscope |
| US20080096489A1 (en) * | 2006-10-18 | 2008-04-24 | Yi He | Frequency response correction for a receiver having a frequency translation device |
| CN102122456A (en) * | 2011-02-24 | 2011-07-13 | 中山大学 | Digital phase-locked amplification experiment device for teaching experiment |
| CN202110395U (en) * | 2011-01-28 | 2012-01-11 | 北京研华兴业电子科技有限公司 | Input device of analog signal |
| CN102647196A (en) * | 2010-12-30 | 2012-08-22 | 英特尔移动通信有限公司 | RF feedback receiver arrangement, RF transmit arrangement and RF transceiver arrangement |
| CN103197626A (en) * | 2013-03-07 | 2013-07-10 | 中国科学院等离子体物理研究所 | Weak signal detection and transmitting module of neutral beam injector control system |
| CN103389126A (en) * | 2013-07-03 | 2013-11-13 | 中国科学院宁波材料技术与工程研究所 | Method and device for processing weak signals |
| JP2014115949A (en) * | 2012-12-12 | 2014-06-26 | Tokai Rika Co Ltd | Receiving device |
| US8907682B2 (en) * | 2009-07-30 | 2014-12-09 | Sensible Medical Innovations Ltd. | System and method for calibration of measurements of interacted EM signals in real time |
| CN106405236A (en) * | 2016-10-27 | 2017-02-15 | 中国地质大学（武汉） | Weak ripple and harmonic voltage detection device and method for direct-current voltage-stabilized power supply |
-
2017
- 2017-08-24 CN CN201710736270.2A patent/CN107543976B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080096489A1 (en) * | 2006-10-18 | 2008-04-24 | Yi He | Frequency response correction for a receiver having a frequency translation device |
| CN101029862A (en) * | 2007-03-19 | 2007-09-05 | 中国科学院上海硅酸盐研究所 | Weak-signal detector for acoustic image based on atomic force microscope |
| US8907682B2 (en) * | 2009-07-30 | 2014-12-09 | Sensible Medical Innovations Ltd. | System and method for calibration of measurements of interacted EM signals in real time |
| CN102647196A (en) * | 2010-12-30 | 2012-08-22 | 英特尔移动通信有限公司 | RF feedback receiver arrangement, RF transmit arrangement and RF transceiver arrangement |
| CN202110395U (en) * | 2011-01-28 | 2012-01-11 | 北京研华兴业电子科技有限公司 | Input device of analog signal |
| CN102122456A (en) * | 2011-02-24 | 2011-07-13 | 中山大学 | Digital phase-locked amplification experiment device for teaching experiment |
| JP2014115949A (en) * | 2012-12-12 | 2014-06-26 | Tokai Rika Co Ltd | Receiving device |
| CN103197626A (en) * | 2013-03-07 | 2013-07-10 | 中国科学院等离子体物理研究所 | Weak signal detection and transmitting module of neutral beam injector control system |
| CN103389126A (en) * | 2013-07-03 | 2013-11-13 | 中国科学院宁波材料技术与工程研究所 | Method and device for processing weak signals |
| CN106405236A (en) * | 2016-10-27 | 2017-02-15 | 中国地质大学（武汉） | Weak ripple and harmonic voltage detection device and method for direct-current voltage-stabilized power supply |
Non-Patent Citations (1)
| Title |
|---|
| 何金田 等: "《传感器原理与应用课程设计指南 第1版》", 31 January 2009 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107543976B (en) | 2021-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104658307B (en) | A kind of vehicle is in position detecting method and parking position monitoring device | |
| CN106534003B (en) | impedance matching method, device and communication network | |
| CN105203929A (en) | Fixed switch cabinet partial discharge online detection device and method | |
| CN204989325U (en) | Lightning integrated transient state electric field time domain testing arrangement | |
| CN101604986B (en) | Master in master-slave communication system and bus current detection method thereof | |
| CN101533049B (en) | Current radiation transmitting device for measuring cable | |
| CN101975900A (en) | Superconducting magnet quenching detection system based on active power | |
| CN104408973A (en) | Inland waterway real-time monitoring system based on optical fiber acoustic sensor array | |
| WO2017161630A1 (en) | Small-region lightning monitoring and positioning method and system | |
| CN114089135A (en) | Partial discharge sensor for variable distribution high-frequency current and method thereof | |
| CN105376531A (en) | Intelligent security and protection system based on IOT (Internet of Things) | |
| CN209296853U (en) | It is a kind of for detecting the circuit of multipoint earthing of iron core of transformer failure | |
| CN106772161A (en) | The multichannel array type receiving coil and detection method of radio sensing network | |
| CN206161738U (en) | Non -contact multichannel ground resistance on -line monitoring device | |
| CN107543976A (en) | A kind of devices and methods therefor for being used to detect electromagnetic radiation small-signal | |
| CN102565745B (en) | Ultra high-frequency partial discharge sensor | |
| CN105913628B (en) | Magnetic Sensor output circuit and data wireless transmission and control system method | |
| CN201897633U (en) | Superconducting magnet quench detection device based on active power | |
| CN204206117U (en) | A kind of amplifier of creatures' physical electric signals circuit of fast detector | |
| CN207908626U (en) | A kind of simulation high frequency Partial discharge signal generating means | |
| Gan et al. | Statistical model of foreign object detection for wireless EV charger | |
| CN203672481U (en) | Electric equipment noise detection device | |
| CN111505557B (en) | Portable lightning arrester on-site checking device and method for on-line monitoring device | |
| CN206038784U (en) | Live line measurement zinc oxide arrester's wireless tester | |
| CN107356822A (en) | Multi-channel detection system for electromagnetic pulse multiport effective matrix |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |