CN109639390A - Radio press device - Google Patents
Radio press device Download PDFInfo
- Publication number
- CN109639390A CN109639390A CN201910014903.8A CN201910014903A CN109639390A CN 109639390 A CN109639390 A CN 109639390A CN 201910014903 A CN201910014903 A CN 201910014903A CN 109639390 A CN109639390 A CN 109639390A
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- CN
- China
- Prior art keywords
- signal
- computer
- echo signal
- jammer
- receiver
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
Abstract
The present invention relates to monitoring radio-frequency spectrum and radio interference fields, more particularly to radio press device, by using receiver scanning signal, computer analyzes whether signal is echo signal, to having been acknowledged that the RI radio intelligence for echo signal stores, occur the echo signal again and directly initiates compaction procedure, the time analyzed again is saved, it can effectively solve the low problem of recognition efficiency, and this equipment pressing process time-consuming is short, echo signal recognition capability is strong, low energy consumption, easy to carry, smaller to human injury.
Description
Technical field
The present invention relates to monitoring radio-frequency spectrum and radio interference fields, more particularly to radio press device.
Background technique
The principle of radio compacting is, in order to allow some echo signal that can not normally be emitted to specific nip region, uses
Powerful jammer penetrates progress on the frequency point of echo signal with taking place frequently in nip region, is much larger than interference signal intensity
Echo signal, such receiving device would only receive stronger signal, achieve the purpose that shielding.Conventional wireless voltage control equipment makes
Used time directly inputs the frequency and emission mode of compacting, and jammer transmitting throttle signal can be driven.Once starting compacting, nothing
Whether emitting by the echo signal to be suppressed, interference signal will do it transmitting.
In the prior art, it proposes and is disclosed as CN102710341A, publication date is the Chinese invention on October 03rd, 2012
Patent document, to solve above-mentioned technical problem, technical solution disclosed in the patent document is as follows: the invention discloses
A kind of examination room radio cheating counter measure equipment, is related to field of examination room safety and electronic protection.Comprising: a dexterous formula examination point without
Line electricity cheating counter equipment, which has dexterous ability to work, can voluntarily find and lock examination point nearby 40MHz ~
Radio cheating signal in 1000MHz frequency range, analyzes it processing, extracts its characteristic information, and in characteristic information
Under guidance, the optimal radio-interference signals for radio cheating signal are generated and discharged with a definite target in view, reach interference
The purpose of blocking, while the cheating information storage evidence obtaining to intercepting, are reported by network.Comprising: dexterous engine, interference mould
Block, user interface.
Above-mentioned technical proposal in actual use, after being confirmed as echo signal, starts compaction procedure, but will appear
Following problems:
(1) cheating information storage is in order to present and report, when similarly cheating signal occurs, it is still desirable to it again identifies that,
Low efficiency.
(2) it for cheating signal, extracts key parameter and is easy to appear in this process and is identified as practising fraud by normal signal
Signal, accuracy is poor, and purpose signal is indefinite, and time-consuming more.
(3) radio signal for discharging optimum jamming effect automatically according to cheating signal, by the analog wave of the interference signal
Emitted after shape shaping amplification by antenna, the time of consuming is more, and cannot suppress cheating signal in time.
(4) during this occurs in cheating signal, whole process all emits high-power interference signal, and energy consumption is larger, and gives human body
More intense radiations are brought, in order to persistently launch powerful interference signal, it is contemplated that the problems such as heat dissipation, it is larger volume to be added
Radiator, and the transmitting antenna also can be bigger.
Summary of the invention
In order to solve the above technical problems, can effectively solve pressing process time-consuming the invention proposes radio press device
The long problem low with recognition efficiency, and this device target code distinguishability is strong, low energy consumption, and it is easy to carry, to human injury
It is smaller.
The present invention is realized by using following technical proposals:
Radio press device, it is characterised in that: including receiver, computer and jammer, the computer passes through network point
Does not establish information communication with receiver, jammer and connect；The equipment operational process includes:
A. receiver scans external signal, and transmits a signal to computer；
B. computer receives and analyzes signal, judges whether it is echo signal, if so, c is thened follow the steps, if it is not, then executing step
Rapid a；
C. computer stores the signal, forms echo signal database；
D. computer notice jammer starts compaction procedure；Jammer emits interference signal；
E. compaction procedure terminates, and receiver continues to scan on signal, and transmits a signal to computer；
F. computer compares the signal received and the signal in echo signal database, judges whether stored be somebody's turn to do
Signal, if so, d is thened follow the steps, if it is not, thening follow the steps b.
The method of the computer analysis signal are as follows: operator inputs the parameter and mesh of echo signal on computers in advance
Signal trigger threshold is marked, computer determines whether echo signal occurs according to the signal strength received, if signal strength reaches
Trigger threshold then determines that echo signal occurs, and is normal signal otherwise.
Receiver scan round signal on frequency point identical with echo signal.
Interference signal parameters are arranged on computers in advance by operator and interference signal single persistently emits duration, jammer
Emit interference signal according to preset interference signal parameters, simultaneous computer is held by timer strict control interference signal single
Supervention penetrates duration.
The single is 300--400 milliseconds a length of when persistently emitting.
One computer is connected with an at least jammer.
Compared with prior art, beneficial effects of the present invention are shown:
1, after echo signal occurs, computer can store the information of the echo signal, and computer only needs comparison to occur again
Whether signal is stored, if stored, jammer can directly open compaction procedure, has saved the time again identified that,
So that this system is more efficient.
Wired connection is not used, so that the distance between receiver, computer and jammer can not be by length of cable
It limits, for jammer biggish for signal transmission power, farther distance facilitates operator and receiver far from it
Intense radiation avoids great-power electromagnetic wave damage human body and introduces the glitch that intense radiation generates to receiver.
2, by the way that the parameter and echo signal trigger threshold of echo signal is set in advance, so that identification, judgement echo signal
Method it is simple, it is accurate, quickly, it is time-consuming short, and when store the echo signal, it is more complete to store information.
3, the receiver scan round of this equipment when multiple signals while meeting echo signal feature, can all be disturbed machine
The signal of transmitting is interfered, and will not be omitted.
4, persistently emit duration by the way that interference signal parameters and interference signal single are set in advance, it is motivated, it can be in time
Neutralizing target signal, it is time-consuming short, and when use timer, strict control single persistently emits duration, between using this equipment
The emission mode of disconnected formula, can greatly reduce the time of human body raying, mitigate harmfulness, and more energy saving.
5,300--400 milliseconds a length of when single persistently emits, the pressing time is short, energy conservation, and harmfulness is small.
6, a receiver can drive more jammers so that more interference hosts between each other apart from it is farther when, can
Cover bigger compacting range.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, in which:
Fig. 1 is the flow diagram of the invention；
Fig. 2 is another flow diagram of the invention.
Specific embodiment
Embodiment 1
As basic embodiment of the present invention, referring to Figure of description 1, the invention discloses radio press devices, including connect
Receipts machine, computer and jammer, the computer are established information communication and connect with receiver, jammer respectively by network；It should
Equipment operational process includes:
A. receiver scans external signal, and transmits a signal to computer；
B. computer receives and analyzes signal, judges whether it is echo signal, if so, c is thened follow the steps, if it is not, then executing step
Rapid a；
C. computer stores the signal, forms echo signal database；
D. computer notice jammer starts compaction procedure；Jammer emits interference signal；
E. compaction procedure terminates, and receiver continues to scan on signal, and transmits a signal to computer；
F. computer compares the signal received and the signal in echo signal database, judges whether stored be somebody's turn to do
Signal, if so, d is thened follow the steps, if it is not, thening follow the steps b.
After echo signal occurs, computer can store the information of the echo signal, and computer only needs to compare to be occurred again
Signal whether have stored in database, if stored, jammer can directly open compaction procedure, save again
Identification, the time determined, so that this system is more efficient.
Due to not using wired connection, so that the distance between computer and jammer can not be limited by length of cable
It makes, for jammer biggish for signal transmission power, can be set relatively at a distance, farther distance facilitates operator
Member and receiver avoid great-power electromagnetic wave damage human body and false the believing to receiver introducing intense radiation generation far from its intense radiation
Number.
Embodiment 2
As an of the invention better embodiment, the invention discloses radio press device, including receiver, computer and dry
Machine is disturbed, the computer is established information communication and connect with receiver, jammer respectively by network；The equipment operational process packet
It includes:
A. receiver scans external signal, and transmits a signal to computer；
B. computer receives and analyzes signal, judges whether it is echo signal, if so, c is thened follow the steps, if it is not, then executing step
Rapid a；
C. computer stores the signal, forms echo signal database；
D. computer notice jammer starts compaction procedure；Jammer emits interference signal；
E. compaction procedure terminates, and receiver continues to scan on signal, and transmits a signal to computer；
F. computer compares the signal received and the signal in echo signal database, judges whether stored be somebody's turn to do
Signal, if so, d is thened follow the steps, if it is not, thening follow the steps b.
Operator can input the parameter and echo signal trigger threshold of echo signal, echo signal on computers in advance
Parameter can be for frequency, intensity, modulation system and frequency point etc., echo signal trigger threshold can be with the echo signal of input
Intensity proportion relation.Computer determines whether echo signal occurs according to the signal strength received, if signal strength
Trigger threshold is reached, then determines that echo signal occurs, is normal signal otherwise.
As long as signal strength reaches default trigger threshold, that is, echo signal is considered, so that identifying, determining echo signal
Method is simple, quick.
Embodiment 3
As another better embodiment of the present invention, the invention discloses radio press device, including receiver, computer and
Jammer, the computer are established information communication and connect with receiver, jammer respectively by network；The equipment operational process packet
It includes:
A. receiver scans external signal, and transmits a signal to computer；
B. computer receives and analyzes signal, judges whether it is echo signal, if so, c is thened follow the steps, if it is not, then executing step
Rapid a；
C. computer stores the signal, forms echo signal database；
D. computer notice jammer starts compaction procedure；Jammer emits interference signal；
E. compaction procedure terminates, and receiver continues to scan on signal, and transmits a signal to computer；
F. computer compares the signal received and the signal in echo signal database, judges whether stored be somebody's turn to do
Signal, if so, d is thened follow the steps, if it is not, thening follow the steps b.
Operator can input the parameter and echo signal trigger threshold of echo signal, echo signal on computers in advance
Parameter can be for frequency, intensity, modulation system and frequency point etc., echo signal trigger threshold can be with the echo signal of input
Intensity proportion relation.
Receiver scan round signal on frequency point identical with echo signal, computer is according to the signal strength received
Determine whether echo signal occurs, if signal strength reaches trigger threshold, determine that echo signal occurs, otherwise, for normal letter
Number.
Such as after a 490MHz cheating signal occurs, the intensity for recording its frequency is 50dBuV, then the thresholding triggered is set
For error ± 10dB.When detect has signal to occur again in 490MHz frequency, if intensity is just arrived in 40dBuV again
Between 60dBuV, then it is judged as echo signal, directly initiates the throttle signal that jammer emits 50W on same frequency.
Embodiment 4
As the another better embodiment of the present invention, referring to Figure of description 2, the invention discloses radio press device, packets
Receiver, computer and jammer are included, the computer establishes information communication company by network with receiver, jammer respectively
It connects；The receiver scan round external signal, and transmit a signal to computer；Computer receives and analyzes signal, judgement
It whether is echo signal, if it is not, receiver continues to scan on signal；If so, computer stores the signal, echo signal data are formed
Library, while jammer being notified to start compaction procedure；Compaction procedure terminates, and receiver continues to scan on signal, and computer will receive
Signal compared with the signal in echo signal database, judge whether the stored signal, if so, directly initiating pressure
Processing procedure sequence；If it is not, computer analyzes the signal, judges whether signal is echo signal, if echo signal, which is stored
To echo signal database and jammer is notified to start compaction procedure, if not echo signal, receiver is continued to scan on, and is recycled past
It is multiple.
Interference signal parameters are arranged on computers in advance by operator and interference signal single persistently emits duration, jammer
Emit interference signal according to preset interference signal parameters, simultaneous computer is held by timer strict control interference signal single
Supervention penetrates duration.
Pre-set single persistently emits duration can be for 300 milliseconds, after being confirmed as echo signal, and computer is by the mesh
Mark signal is stored to echo signal database, and notifies jammer to start to emit interference signal, while starting timer and starting to count
When, when reaching 300 milliseconds, computer notifies jammer to stop transmitting interference signal, and receiver continues to scan on external signal, counts
Calculation machine compares the signal received and echo signal database, sees whether signal was stored, if signal is
There are in echo signal database, computer notice jammer emits 300 milliseconds of interference signal again, if signal is not believed in target
In number library, computer analyzes whether the signal is echo signal again, after being confirmed as echo signal, suppresses again, if
Normal signal then ignores the signal, and receiver continues to scan on, and process circulation occurs.
Embodiment 5
As best mode for carrying out the invention, referring to Figure of description 2, the invention discloses radio press devices, including connect
Receipts machine, computer and jammer, the computer are established information communication and connect with receiver, jammer respectively by network；Institute
Receiver scan round external signal is stated, and transmits a signal to computer；Computer receives and analyzes signal, judges whether it is
Echo signal, if it is not, receiver continues to scan on signal；If so, computer stores the signal, echo signal database is formed, together
Shi Tongzhi jammer starts compaction procedure；Compaction procedure terminates, and receiver continues to scan on signal, the signal that computer will receive
It is compared with the signal in echo signal database, judges whether the stored signal, if so, directly initiating compacting journey
Sequence；If it is not, computer analyzes the signal, judges whether signal is echo signal, if echo signal, which is stored to mesh
Mark Signals Data Base simultaneously notifies jammer to start compaction procedure, if not echo signal, receiver is continued to scan on, and is moved in circles.
Operator can input the parameter of echo signal, echo signal trigger threshold, interference signal on computers in advance
Parameter and interference signal single persistently emit duration, and the parameter of echo signal can be frequency, intensity, modulation system and frequency point
Deng echo signal trigger threshold can be with the intensity proportion relation of the echo signal of input, and single persistently emits duration
It can be 400 milliseconds.
Receiver scan round signal on frequency point identical with echo signal, computer is according to the signal strength received
Determine whether echo signal occurs, if signal strength reaches trigger threshold, determine that echo signal occurs, otherwise, for normal letter
Number.
After being confirmed as echo signal, computer stores the echo signal to echo signal database, and notifies jammer
Start to emit interference signal, while starting timer and starting timing, when reaching 400 milliseconds, computer notifies jammer to stop
Emit interference signal, receiver continues to scan on external signal, and computer carries out the signal received and echo signal database
Comparison, sees whether signal was stored, if signal has existed in echo signal database, computer notifies jammer again
The interference signal of 400 milliseconds of transmitting, if signal, not in echo signal database, computer analyzes whether the signal is mesh again
Signal is marked, after confirming echo signal, suppresses again, if normal signal, then ignores the signal, receiver continues to scan on, the mistake
Cheng Xunhuan occurs.
Parameter, echo signal trigger threshold, interference signal parameters and single since echo signal is set in advance persistently are sent out
Duration is penetrated, as long as signal strength reaches default trigger threshold, that is, is considered echo signal, so that identifying, determining echo signal
Method is simple, quick, and the interference signal emitted has been set in advance, and jammer only needs transmitting, so that interference letter
Number transmitting it is more timely, it is time-consuming shorter.
If computer is confirmed as echo signal, the information of the echo signal is automatically stored in computer, when being somebody's turn to do again
When signal, computer is no longer analyzed, and is only needed to compare, has been saved the time, so that this system is more efficient.
Receiver when multiple signals while meeting echo signal feature, can all be disturbed once enabling, scan round always
The signal of machine transmitting is interfered, and will not be omitted.
Embodiment 6
The invention discloses radio press device, including receiver, computer and jammer, the computer passes through network point
Does not establish information communication with receiver, jammer and connect；The receiver scan round external signal, and transmit a signal to meter
Calculation machine；Computer receives and analyzes signal, judges whether it is echo signal, if it is not, receiver continues to scan on signal；If so, meter
Calculation machine stores the signal, forms echo signal database, while jammer being notified to start compaction procedure；Compaction procedure terminates, and connects
Receipts machine continues to scan on signal, and computer compares the signal received and the signal in echo signal database, and judgement is
No stored signal, if so, directly initiating compaction procedure；If it is not, computer analyzes the signal, judge whether signal is mesh
Signal is marked, if echo signal, which is stored to echo signal database and jammer is notified to start compaction procedure, if not
It is echo signal, receiver continues to scan on, and moves in circles.
One computer can connect an at least jammer, the interfering signal power emitted as needed and need
The factors such as the area size to be interfered, selection are a jammer or Liang Tai, three or even 8,9.
When emitting the signal of big frequency, one or two jammers usually can be only set, and due to dry
It disturbs machine to connect with computer radio, jammer can be remotely to the position of operator, facilitate operator and reception
Machine avoids great-power electromagnetic wave damage human body and introduces the glitch that intense radiation generates to receiver far from its intense radiation.
Or it is same can to emit simultaneously small-power after more jammers receive interference instruction for more jammers of setting
Frequency throttle signal makes echo signal receiver that can not normally receive echo signal, and great-power electromagnetic wave is avoided to damage human body.
In conclusion after those skilled in the art read file of the present invention, according to the technique and scheme of the present invention with
Other various corresponding conversion schemes that technical concept is made without creative mental labour belong to what the present invention was protected
Range.
Claims (6)
1. radio press device, it is characterised in that: including receiver, computer and jammer, the computer passes through network
It establishes information communication with receiver, jammer respectively and connect；The equipment operational process includes:
A. receiver scans external signal, and transmits a signal to computer；
B. computer receives and analyzes signal, judges whether it is echo signal, if so, c is thened follow the steps, if it is not, then executing step
Rapid a；
C. computer stores the signal, forms echo signal database；
D. computer notice jammer starts compaction procedure；Jammer emits interference signal；
E. compaction procedure terminates, and receiver continues to scan on signal, and transmits a signal to computer；
F. computer compares the signal received and the signal in echo signal database, judges whether stored be somebody's turn to do
Signal, if so, d is thened follow the steps, if it is not, thening follow the steps b.
2. radio press device according to claim 1, it is characterised in that: the method for the computer analysis signal
Are as follows: operator inputs the parameter and echo signal trigger threshold of echo signal on computers in advance, and computer is according to receiving
Signal strength determine echo signal whether occur, if signal strength reach trigger threshold, determine echo signal occur, it is no
It then, is normal signal.
3. radio press device according to claim 2, it is characterised in that: the receiver is identical as echo signal
Frequency point on scan round signal.
4. radio press device according to claim 1 or 3, it is characterised in that: operator sets on computers in advance
It sets interference signal parameters and interference signal single persistently emits duration, jammer emits according to preset interference signal parameters to be interfered
Signal, simultaneous computer persistently emit duration by timer strict control interference signal single.
5. radio press device according to claim 4, it is characterised in that: the single is a length of when persistently emitting
300--400 milliseconds.
6. radio press device according to claim 1, it is characterised in that: a computer is connected at least one and does
Disturb machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014903.8A CN109639390A (en) | 2019-01-08 | 2019-01-08 | Radio press device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014903.8A CN109639390A (en) | 2019-01-08 | 2019-01-08 | Radio press device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109639390A true CN109639390A (en) | 2019-04-16 |
Family
ID=66058147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910014903.8A Pending CN109639390A (en) | 2019-01-08 | 2019-01-08 | Radio press device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104437A (en) * | 2011-01-11 | 2011-06-22 | 北京理工大学 | Radio system for preventing cheating on exams |
| CN103763058A (en) * | 2013-11-13 | 2014-04-30 | 成都佳发安泰科技股份有限公司 | Energy-saving and environment-friendly wireless signal shielding method |
| US20140185037A1 (en) * | 2010-01-30 | 2014-07-03 | Optellios, Inc. | Method and apparatus for disturbance detection |
| CN105656595A (en) * | 2016-02-19 | 2016-06-08 | 成都大公博创信息技术有限公司 | Ingenious type examination room anti-cheating system and realization method thereof |
| CN109039524A (en) * | 2018-05-07 | 2018-12-18 | 田军 | Full frequency band Full-automatic reverse UAV system |
-
2019
- 2019-01-08 CN CN201910014903.8A patent/CN109639390A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140185037A1 (en) * | 2010-01-30 | 2014-07-03 | Optellios, Inc. | Method and apparatus for disturbance detection |
| CN102104437A (en) * | 2011-01-11 | 2011-06-22 | 北京理工大学 | Radio system for preventing cheating on exams |
| CN103763058A (en) * | 2013-11-13 | 2014-04-30 | 成都佳发安泰科技股份有限公司 | Energy-saving and environment-friendly wireless signal shielding method |
| CN105656595A (en) * | 2016-02-19 | 2016-06-08 | 成都大公博创信息技术有限公司 | Ingenious type examination room anti-cheating system and realization method thereof |
| CN109039524A (en) * | 2018-05-07 | 2018-12-18 | 田军 | Full frequency band Full-automatic reverse UAV system |
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Application publication date: 20190416 |