CN114867051B - Anti-interference control system for wireless communication - Google Patents
Anti-interference control system for wireless communication Download PDFInfo
- Publication number
- CN114867051B CN114867051B CN202210490108.8A CN202210490108A CN114867051B CN 114867051 B CN114867051 B CN 114867051B CN 202210490108 A CN202210490108 A CN 202210490108A CN 114867051 B CN114867051 B CN 114867051B
- Authority
- CN
- China
- Prior art keywords
- interference
- shielding
- unit
- channel
- transmission
- 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.)
- Active
Links
- 230000006854 communication Effects 0.000 title claims abstract description 36
- 238000004891 communication Methods 0.000 title claims abstract description 32
- 238000004458 analytical method Methods 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 230000008030 elimination Effects 0.000 claims abstract description 11
- 238000003379 elimination reaction Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000010586 diagram Methods 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 16
- 230000008054 signal transmission Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000009960 carding Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000012351 Integrated analysis Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 4
- 230000002147 killing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/22—Countermeasures against jamming including jamming detection and monitoring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a wireless communication anti-interference control system, which comprises a wireless communication master control module, an interference test module, an interference analysis module and an interference elimination module, wherein the wireless communication master control module controls the whole communication process, the interference test module tests signal interference and determines interference, the interference analysis module analyzes the interference, and the interference elimination module takes measures to eliminate the interference according to the interference analysis result.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to an anti-interference control system for wireless communication.
Background
Wireless communication refers to long-distance transmission communication between a plurality of nodes without transmission through conductors or cables, and includes various fixed, mobile and portable applications, such as two-way radios, mobile phones, personal digital assistants, and wireless networks, and other examples of wireless radio communication include GPS, garage door controllers, wireless mice, and the like, and some wireless communication uses other electromagnetic wave wireless technologies, such as light, magnetic fields, electric fields, and the like;
however, the current control system of wireless communication is often interfered by external communication, magnetic field and the like, which can cause the situation that the wireless communication is interfered, intercepted and leaked, and has great test on the safety performance of the wireless communication.
Disclosure of Invention
The invention provides an anti-interference control system for wireless communication, which can effectively solve the problems that the prior control system for wireless communication is often interfered by external communication, magnetic field and the like, and the wireless communication is interfered, intercepted and leaked, so that the safety performance of the wireless communication is greatly tested.
In order to achieve the above purpose, the present invention provides the following technical solutions: a wireless communication anti-interference control system comprises a wireless communication master control module, an interference test module, an interference analysis module and an interference elimination module;
the wireless communication master control module controls the whole communication process;
the interference test module tests signal interference and determines interference;
the interference analysis module analyzes interference;
and the interference elimination module takes measures to eliminate interference according to the interference analysis result.
According to the technical scheme, the interference test module comprises a channel selection unit, a detection unit and a data recording unit;
the channel selection unit selects a usable transmission channel according to the network relation between the transmitting end and the receiving end;
the detection unit simulates a wireless network transmission process and detects transmission interference;
the data recording unit records the detection data.
According to the technical scheme, the transmission channel is numbered AXB after being selected, A is a transmitting end, B is a receiving end, X is a channel, and X is 1, 2 and 3 … i;
the step of detecting the transmission interference by the detection unit comprises the following steps:
s1, firstly, selecting a detection signal, determining a signal frequency band and determining a simulative transmission channel;
s2, detecting the equipment of the transmitting end and the receiving end;
s3, independently starting a transmission channel, sequentially transmitting detection signals from A1B, A2B, A B … AiB, and recording signal transmission conditions;
s4, sequentially closing the channels, transmitting detection signals through the residual channels, and recording transmission conditions;
s5, carding the data with abnormal transmission, and screening out abnormal transmission conditions.
According to the technical scheme, the interference analysis module comprises a comprehensive analysis unit and a feedback unit;
the comprehensive analysis unit comprehensively analyzes the transmission process with the interference detected to find the influence;
and the feedback unit feeds back the result of the sum analysis to the next unit and feeds back the processing result of the next unit to the comprehensive analysis unit.
According to the technical scheme, the comprehensive analysis unit compares waveform diagrams of signals before and after transmission to determine the area of a waveform distortion area;
and taking two periodic waveform diagrams in the waveform distortion area, comparing the waveform diagrams before and after transmission, and combining the variation values of amplitude, phase and frequency.
According to the technical scheme, the interference elimination module comprises an interference shielding unit, a shielding judging unit and a checking unit;
the interference shielding unit shields interference signals in the channel through the shielding instrument and closes the interfered channel;
the shielding distinguishing unit is used for distinguishing the number of the shielded channels and ensuring the shielding effect;
and after the interference is eliminated, the checking unit transmits the signal again to check the anti-interference effect.
According to the technical scheme, the judgment of the shielding channel is measured by the shielding judgment value, and the specific formula is as follows:
wherein Z is a shielding discrimination value;
c is the number of shielding channels;
i is the total channel number;
j 1 the number of the remaining undisturbed channels;
j 2 the number of the remaining disturbed channels;
and c, adjusting the value of c to ensure that Z is larger than 0, and shielding c interfered channels through an interference shielding unit.
According to the technical scheme, the inspection unit determines the remaining channels according to the processing result of the interference shielding unit, transmits signals in the remaining channels, acquires waveform diagrams before and after signal transmission, inputs the waveform diagrams into the computer for waveform comparison analysis, determines distortion conditions, and calculates the anti-interference effect.
According to the technical scheme, the checking unit compares the waveform diagrams of the same channel before and after interference shielding, determines the distorted position of the waveform diagrams, calculates the waveform distorted area of the distorted position, marks the area of the distorted area before the channel shielding treatment as X1, and marks the area of the distorted area after the channel shielding treatment as X2;
the area reduction ratio H of the distortion region is calculated as follows:
according to the technical scheme, the area reduction ratio of the distortion area is set to be more than or equal to 60% and is qualified for anti-interference, otherwise, the number of the shielding channels is readjusted until the requirements of the shielding discrimination value and the area reduction ratio of the distortion area are met at the same time.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up passageway and select unit, detecting element and data record unit, carry out the numbering to the passageway, detect the transmission condition of single passageway in proper order, close the passageway in proper order again, detect the transmission condition between the remaining passageway to can acquire the data of single passageway and the collaborative data between the passageway, thereby detect the individual influence and the comprehensive influence condition of interfering signal, know more thoroughly to the interference, thereby conveniently detect the interference.
2. Through setting up interference shielding unit and shielding discrimination unit, through calculating shielding discrimination value, select the number of shielding passageway, to interference signal shielding, select suitable scope shielding passageway, reduce the influence probability that interference signal brought to make signal transmission's interference reduce, not only can guarantee signal transmission, make the work efficiency of shielding higher moreover.
3. By arranging the checking unit, the system through which the shielding interference avoids passing is detected, the signal transmission distortion condition in the system is compared, the areas of the front and rear waveform distortion areas are compared, the distortion reduction proportion is calculated through a formula, the anti-interference capability is measured, and therefore the anti-interference result of the system is mastered.
In summary, through the basic detection of the transmission channel first, understand the interfered condition of signal transmission, through calculating, select the channel number of shielding, rationally select the shielding channel number, make the interference control in suitable scope, reduce the probability that the signal is interfered, at last, through the proportion condition that the area reduces of distortion area, look over the interference killing effect, make interference immunity better, and then make the interference killing feature of radio communication system promote.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a block diagram of a control system of the present invention;
fig. 2 is a flow chart of the interference detection of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1:
1-2, the invention provides a technical scheme, namely a wireless communication anti-interference control system, which comprises a wireless communication master control module, an interference test module, an interference analysis module and an interference elimination module;
the wireless communication master control module controls the whole communication process;
the interference testing module tests signal interference and determines interference;
the interference analysis module analyzes interference;
and the interference elimination module takes measures to eliminate interference according to the interference analysis result.
According to the technical scheme, the interference test module comprises a channel selection unit, a detection unit and a data recording unit;
the channel selection unit selects a usable transmission channel according to the network relation between the transmitting end and the receiving end;
the detection unit simulates a wireless network transmission process and detects transmission interference;
the data recording unit records the detection data.
According to the technical scheme, after the transmission channel is selected, the serial number is AXB, A is a transmitting end, B is a receiving end, X is a channel, and X is 1, 2 and 3 … i;
the detection unit detects transmission interference as follows:
s1, firstly, selecting a detection signal, determining a signal frequency band and determining a simulative transmission channel;
s2, detecting the equipment of the transmitting end and the receiving end;
s3, independently starting a transmission channel, sequentially transmitting detection signals from A1B, A2B, A B … AiB, and recording signal transmission conditions;
s4, sequentially closing the channels, transmitting detection signals through the residual channels, and recording transmission conditions;
s5, carding the data with abnormal transmission, and screening out abnormal transmission conditions.
According to the technical scheme, the interference analysis module comprises a comprehensive analysis unit and a feedback unit;
the comprehensive analysis unit comprehensively analyzes the transmission process with the interference detected to find the influence of the interference;
the feedback unit feeds back the result of the sum analysis to the next unit and feeds back the processing result of the next unit to the comprehensive analysis unit.
According to the technical scheme, the comprehensive analysis unit compares the waveform diagrams of signals before and after transmission to determine the area of the waveform distortion area;
and taking two periodic waveform diagrams in the waveform distortion area, comparing the waveform diagrams before and after transmission, and combining the variation values of amplitude, phase and frequency.
According to the technical scheme, the interference elimination module comprises an interference shielding unit, a shielding judging unit and a checking unit;
the interference shielding unit shields interference signals in the channel through the shielding instrument and closes the interfered channel;
the shielding distinguishing unit is used for distinguishing the number of the shielded channels, so that the shielding effect is ensured;
after eliminating the interference, the checking unit transmits the signal again to check the anti-interference effect.
According to the technical scheme, the judgment of the shielding channel is measured by the shielding judgment value, and the specific formula is as follows:
wherein Z is a shielding discrimination value;
c is the number of shielding channels, and the specific value is 4;
i is the total channel number, and the specific value is 10;
j 1 the number of the remaining undisturbed channels is 6;
j 2 the number of the residual interfered channels is 0;
the specific value of the shielding discrimination value Z is calculated to be 0.4, Z is larger than 0, and 4 interfered channels are shielded by the interference shielding unit.
According to the technical scheme, the inspection unit determines the remaining channels according to the processing result of the interference shielding unit, transmits signals in the remaining channels, acquires waveform diagrams before and after signal transmission, inputs the waveform diagrams into the computer for waveform comparison analysis, determines distortion conditions, and calculates the anti-interference effect.
According to the technical scheme, the checking unit compares the waveform diagrams of the same channel before and after interference shielding, determines the distorted position of the waveform diagrams, calculates the waveform distorted area of the distorted position, marks the area of the distorted area before the channel shielding treatment as X1, and marks the area of the distorted area after the channel shielding treatment as X2;
the area reduction ratio H of the distortion region is calculated as follows:
the specific value of X1 is 2.1, the specific value of X2 is 0.1, and the specific value of H is calculated to be 0.952;
the area reduction ratio of the distortion area is more than or equal to 60 percent, and the anti-interference is qualified.
Example 2:
according to the technical scheme, the judgment of the shielding channel is measured by the shielding judgment value, and the specific formula is as follows:
wherein Z is a shielding discrimination value;
c is the number of shielding channels, and the specific value is 2;
i is the total channel number, and the specific value is 10;
j 1 the number of the remaining undisturbed channels is 7;
j 2 the number of the remaining interfered channels is 1;
the specific value of the shielding discrimination value Z is calculated to be 0.075, Z is larger than 0, and 2 interfered channels are shielded by an interference shielding unit.
According to the technical scheme, the inspection unit determines the remaining channels according to the processing result of the interference shielding unit, transmits signals in the remaining channels, acquires waveform diagrams before and after signal transmission, inputs the waveform diagrams into the computer for waveform comparison analysis, determines distortion conditions, and calculates the anti-interference effect.
According to the technical scheme, the checking unit compares the waveform diagrams of the same channel before and after interference shielding, determines the distorted position of the waveform diagrams, calculates the waveform distorted area of the distorted position, marks the area of the distorted area before the channel shielding treatment as X1, and marks the area of the distorted area after the channel shielding treatment as X2;
the area reduction ratio H of the distortion region is calculated as follows:
the specific value of X1 is 2.1, the specific value of X2 is 0.4, and the specific value of H is calculated to be 0.810;
the area reduction ratio of the distortion area is more than or equal to 60 percent, and the anti-interference is qualified.
Example 3:
according to the technical scheme, the judgment of the shielding channel is measured by the shielding judgment value, and the specific formula is as follows:
wherein Z is a shielding discrimination value;
z is a shielding discrimination value;
c is the number of shielding channels, and the specific value is 2;
i is the total channel number, and the specific value is 10;
j 1 the number of the remaining undisturbed channels is 7;
j 2 the number of the remaining interfered channels is 1;
the specific value of the shielding discrimination value Z is calculated to be 0.075, Z is larger than 0, and 2 interfered channels are shielded by an interference shielding unit.
According to the technical scheme, the inspection unit determines the remaining channels according to the processing result of the interference shielding unit, transmits signals in the remaining channels, acquires waveform diagrams before and after signal transmission, inputs the waveform diagrams into the computer for waveform comparison analysis, determines distortion conditions, and calculates the anti-interference effect.
According to the technical scheme, the checking unit compares the waveform diagrams of the same channel before and after interference shielding, determines the distorted position of the waveform diagrams, calculates the waveform distorted area of the distorted position, marks the area of the distorted area before the channel shielding treatment as X1, and marks the area of the distorted area after the channel shielding treatment as X2;
the area reduction ratio H of the distortion region is calculated as follows:
the specific value of X1 is 2.1, the specific value of X2 is 0.2, and the specific value of H is calculated to be 0.905;
the area reduction ratio of the distortion area is more than or equal to 60 percent, and the anti-interference is qualified.
According to the data calculation cases of the mask discrimination values and the distortion area reduction ratio of examples 1 to 3, the following table was prepared:
according to the comparison of the data in the table, it can be seen that the processing of the interference signals in the embodiments 1-3 can have an anti-interference effect, wherein the area reduction ratio of the distortion area in the embodiment 1 is the highest, the anti-interference effect is the best, the interference signals are shielded by selecting the number of shielding channels, and the effect of interference shielding is obtained by calculating the areas of the distortion area before and after the interference shielding, so that the interference is reasonably processed, the anti-interference effect is achieved, the interference can be analyzed and known, the anti-interference can be reasonably performed, and the good transmission effect is achieved.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A wireless communication anti-interference control system is characterized in that: the system comprises a wireless communication master control module, an interference test module, an interference analysis module and an interference elimination module;
the wireless communication master control module controls the whole communication process;
the interference test module tests signal interference and determines interference;
the interference analysis module analyzes interference;
the interference elimination module takes measures to eliminate interference according to the interference analysis result;
the interference test module comprises a channel selection unit, a detection unit and a data recording unit;
the channel selection unit selects a usable transmission channel according to the network relation between the transmitting end and the receiving end;
the detection unit simulates a wireless network transmission process and detects transmission interference;
the data recording unit records the detection data;
the interference elimination module comprises an interference shielding unit, a shielding judging unit and a checking unit;
the interference shielding unit shields interference signals in the channel through the shielding instrument and closes the interfered channel;
the shielding distinguishing unit is used for distinguishing the number of the shielded channels and ensuring the shielding effect;
after eliminating the interference, the checking unit transmits signals again to check the anti-interference effect; the judgment of the shielding channel is measured by a shielding judgment value, and the specific formula is as follows:
wherein Z is a shielding discrimination value;
c is the number of shielding channels;
i is the total channel number;
j 1 the number of the remaining undisturbed channels;
j 2 the number of the remaining disturbed channels;
c, adjusting the value of c to enable Z to be larger than 0, and shielding c interfered channels through an interference shielding unit;
the detecting unit determines the remaining channels according to the processing result of the interference shielding unit, transmits signals in the remaining channels, acquires waveform diagrams before and after signal transmission, inputs the waveform diagrams into the computer for waveform comparison analysis, determines distortion conditions and calculates the anti-interference effect;
the checking unit compares the waveform diagrams of the same channel before and after the shielding interference, determines the distorted position of the waveform diagrams, calculates the waveform distorted area of the distorted position, marks the area of the distorted area before the shielding channel is processed as X1, and marks the area of the distorted area after the shielding channel is processed as X2;
the area reduction ratio H of the distortion region is calculated as follows:
2. the anti-interference control system for wireless communication according to claim 1, wherein the transmission channel is selected and numbered as AXB, a is a transmitting end, B is a receiving end, X is a channel, and X is 1, 2, 3 … i;
the step of detecting the transmission interference by the detection unit comprises the following steps:
s1, firstly, selecting a detection signal, determining a signal frequency band and determining a simulative transmission channel;
s2, detecting the equipment of the transmitting end and the receiving end;
s3, independently starting a transmission channel, sequentially transmitting detection signals from A1B, A2B, A B … AiB, and recording signal transmission conditions;
s4, sequentially closing the channels, transmitting detection signals through the residual channels, and recording transmission conditions;
s5, carding the data with abnormal transmission, and screening out abnormal transmission conditions.
3. The system according to claim 1, wherein the interference analysis module comprises an integrated analysis unit and a feedback unit;
the comprehensive analysis unit comprehensively analyzes the transmission process with the interference detected to find the influence;
and the feedback unit feeds back the comprehensive analysis result to the next processing unit and feeds back the processing result of the next processing unit to the comprehensive analysis unit.
4. The anti-interference control system for wireless communication according to claim 3, wherein the comprehensive analysis unit compares waveform patterns of signals before and after transmission to determine a waveform distortion area;
and taking two periodic waveform diagrams in the waveform distortion area, comparing the waveform diagrams before and after transmission, and comparing the waveform diagrams with the data of the amplitude, phase and frequency variation values.
5. The system according to claim 1, wherein the area reduction ratio of the distortion area is set to be equal to or greater than 60%, and the area reduction ratio of the distortion area is set to be acceptable, otherwise, the number of the shielding channels is readjusted until the requirements of the shielding discrimination value and the area reduction ratio of the distortion area are simultaneously satisfied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210490108.8A CN114867051B (en) | 2022-05-07 | 2022-05-07 | Anti-interference control system for wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210490108.8A CN114867051B (en) | 2022-05-07 | 2022-05-07 | Anti-interference control system for wireless communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114867051A CN114867051A (en) | 2022-08-05 |
| CN114867051B true CN114867051B (en) | 2023-11-03 |
Family
ID=82636214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210490108.8A Active CN114867051B (en) | 2022-05-07 | 2022-05-07 | Anti-interference control system for wireless communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114867051B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005078467A1 (en) * | 2004-02-13 | 2005-08-25 | Elekta Ab (Publ) | A method for interference suppression in a measuring device |
| JP2007274021A (en) * | 2006-03-30 | 2007-10-18 | Nec Engineering Ltd | Radio transmission device and control method thereof |
| GB201207300D0 (en) * | 2011-04-26 | 2012-06-06 | Korea Electronics Telecomm | Apparatus and method for shielding jamming signal |
| WO2016165508A1 (en) * | 2015-04-14 | 2016-10-20 | 电信科学技术研究院 | Signal processing method, uplink resource allocation method and device thereof |
| KR101762395B1 (en) * | 2016-03-23 | 2017-07-28 | 주식회사 엠에스텍 | Active-type jamming apparatus for wideband |
| CN107872827A (en) * | 2017-10-31 | 2018-04-03 | 深圳无线电检测技术研究院 | A kind of air interference method of testing and system |
| CN109510674A (en) * | 2018-12-29 | 2019-03-22 | 盐城工业职业技术学院 | A kind of control system and method for examining fire-fighting wireless communication signals |
| WO2020050543A1 (en) * | 2018-09-04 | 2020-03-12 | 주식회사 이노와이어리스 | Device and method for cancelling interference component, for testing multi-antenna wireless device |
-
2022
- 2022-05-07 CN CN202210490108.8A patent/CN114867051B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005078467A1 (en) * | 2004-02-13 | 2005-08-25 | Elekta Ab (Publ) | A method for interference suppression in a measuring device |
| JP2007274021A (en) * | 2006-03-30 | 2007-10-18 | Nec Engineering Ltd | Radio transmission device and control method thereof |
| GB201207300D0 (en) * | 2011-04-26 | 2012-06-06 | Korea Electronics Telecomm | Apparatus and method for shielding jamming signal |
| WO2016165508A1 (en) * | 2015-04-14 | 2016-10-20 | 电信科学技术研究院 | Signal processing method, uplink resource allocation method and device thereof |
| KR101762395B1 (en) * | 2016-03-23 | 2017-07-28 | 주식회사 엠에스텍 | Active-type jamming apparatus for wideband |
| CN107872827A (en) * | 2017-10-31 | 2018-04-03 | 深圳无线电检测技术研究院 | A kind of air interference method of testing and system |
| WO2020050543A1 (en) * | 2018-09-04 | 2020-03-12 | 주식회사 이노와이어리스 | Device and method for cancelling interference component, for testing multi-antenna wireless device |
| CN109510674A (en) * | 2018-12-29 | 2019-03-22 | 盐城工业职业技术学院 | A kind of control system and method for examining fire-fighting wireless communication signals |
Non-Patent Citations (1)
| Title |
|---|
| 中小型水电站微机监控的一些抗干扰措施;黄声先;南昌水专学报(第01期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114867051A (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ye et al. | Improved energy detection with Laplacian noise in cognitive radio | |
| CN106027176B (en) | Receiver in-band dual frequency electromagnetic radiation large signal blocking interference effect prediction method | |
| CN107147541A (en) | A kind of WIFI Performance Test Systems and method | |
| CN106209279B (en) | Receiver in-band multi-frequency electromagnetic radiation large signal blocking interference effect prediction method | |
| CN105842561B (en) | A kind of background signal removing method for being suitable for live electromagnetic interference detection | |
| Dhara et al. | A UHF sensor based partial discharge monitoring system for air insulated electrical substations | |
| CN114867051B (en) | Anti-interference control system for wireless communication | |
| CN110324098B (en) | Method for identifying and counting interference signals of broadband frequency spectrum sequence | |
| CN104335493B (en) | For reducing the method for intermodulation distortion, base station and device in a base station | |
| CN105307185B (en) | A kind of gunz cooperation spectrum sensing method based on data purification | |
| CN106452611B (en) | Radio frequency test method and system | |
| CN111510230A (en) | Lightning electromagnetic pulse damage effect determination method for airborne VHF communication radio station | |
| CN107966618B (en) | Data line shielding effectiveness detection circuit and method | |
| CN111010252A (en) | Method for conducting broadband subsection guiding shielding on digital transmission equipment | |
| Pignari | Statistics and EMC | |
| CN110531321A (en) | Dynamic channelization subband spectrum detection method based on characteristic value | |
| Jamanshalov et al. | Methods for Measuring EMC in Telecommunications Systems | |
| Svacina et al. | Virtual anechoic room an useful tool for EMI pre-compliance testing | |
| CN112230286B (en) | Method and system for reducing noise of tunnel wireless seismograph | |
| Pous et al. | Novel EMI Assessment Method Based on Statistical Detectors to Protect Sensitive Digital Radio Receivers | |
| CN115436765A (en) | Partial discharge detection instrument and equipment noise suppression capability detection system and application method thereof | |
| VIZITIU et al. | ANALYSIS OF THE UNINTENDED PROPAGATION OF AUDIO SIGNAL EMITTED BY WIRELESS HEADPHONES | |
| CN112769469B (en) | Method and device for controlling and operating array element number based on beam forming | |
| Ibadik et al. | Frequency domain energy detection for multiband spectrum sensing in cognitive radio system | |
| Sidhu et al. | On-line detection of low-level arcing faults in metal-clad electrical apparatus |
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 |